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Heating, Cooling, Plumbing & Indoor Air Quality Services in Park Ridge, IL

Park Ridge Service Overview

  • Established Home Expertise: Deljo Heating, Cooling & Plumbing provides heating, cooling, plumbing, and indoor air quality services throughout Park Ridge, including established homes near Uptown, Dee Road, South Park, and the Higgins Corridor.
  • Neighborhood-Specific Comfort Solutions: Park Ridge homes include older properties with boiler and steam systems, postwar homes with central air, and newer properties that may require different HVAC and plumbing solutions.
  • Full-Service Mechanical Trades: We provide heating, air conditioning, plumbing, and indoor air quality services for homeowners throughout Park Ridge.

 

We work throughout Park Ridge, from older homes near Uptown to newer properties around Dee Road, South Park, and the Higgins Corridor. Every neighborhood has its own mix of homes and comfort needs, whether that means repairing an aging boiler, replacing an AC system, or handling a plumbing issue.

Deljo Heating, Cooling & Plumbing provides heating, air conditioning, plumbing, and indoor air quality services throughout Park Ridge. Call 773-829-4295 or contact us online to schedule service.

HVAC company in Park Ridge

Local Service Across Uptown, South Park & Park Ridge Neighborhoods

Uptown is the part of Park Ridge most people recognize first. The Pickwick Theatre has stood there since 1928, with its 100-foot tower marking the center of the city’s shopping, dining, and event district. Nearby residential streets mix historic homes with newer construction and plenty of long-established properties.

South Park has its own commercial center along South Park Avenue, while Village Green mixes residential and retail activity. The Dee Park area around Oakton Avenue has another concentration of established homes, and farther west the city reaches toward Iroquois and Chippewa Woods.

Those local differences matter because the mechanical systems can vary just as much as the neighborhoods. One call may involve an older boiler or steam system. The next may be a central AC replacement, a drain issue, a sump pump, or a whole-home comfort upgrade.

Solving HVAC, Plumbing & Indoor Air Quality Issues in Park Ridge

Problem: Older Park Ridge homes can have aging boilers, steam systems, central AC equipment, and plumbing components that require different approaches depending on the property.

Solution: Deljo provides heating, cooling, plumbing, and indoor air quality services designed around the existing equipment and conditions in each Park Ridge home.

Problem: Established homes may have different comfort needs, including humidity control, filtration, purification, zoning, or systems that were added after the home was originally built.

Solution: Deljo provides whole-home indoor air quality and comfort-control services, including filtration, purification, humidification, dehumidification, thermostats, and zoning solutions.

Problem: Plumbing issues can range from a clogged drain or water heater problem to older piping, repeated drain problems, sewer issues, or larger repiping projects.

Solution: Our plumbing services cover emergency plumbing, drain cleaning, water heaters, pipe repair, sewer lines, repiping, sump pumps, flood control, and other plumbing needs throughout Park Ridge.

AC Repair & Cooling Upgrades Across Park Ridge

Repairmen works on a home's air conditioner unit outdoors.

Cooling calls around Park Ridge are not all the same. Homes near the Dee Road Metra station, Uptown, and the Higgins Corridor can include everything from older central AC systems to properties where cooling was added later. Some postwar homes were built without central air, which still creates retrofit needs today.

For AC service, Deljo provides:

A homeowner replacing an existing central system may be looking at a straightforward upgrade. Another property may need a different approach because the house was never designed around central cooling in the first place.

Taste of Park Ridge brings food booths, entertainment, a kids’ zone, and the Chamber Business Expo to Prospect and Summit Avenues every July. It is one of the city’s biggest summer events, and it also lands right in the middle of the season when AC problems tend to get a homeowner’s attention fast.

“I’m one of the hottest days ever Marek and Luis Installed an air-conditioning unit. They were efficient worked the entire time they were here left their work area in great shape. What an asset they both are to Deljo Heating, Cooling and Plumbing!”

Mary C

Beat the summer heat with reliable AC repairs and high-efficiency cooling upgrades. Call 773-829-4295 to book your cooling service!

Furnace, Boiler & Steam Heat Service in Park Ridge

Park Ridge has a real mix of heating equipment. Central furnaces are common throughout the city, while boilers and steam systems are still found in older areas near Uptown and Dee Park. That makes heating service here more varied than simply repairing or replacing furnaces.

Heating work can include:

The right answer depends on what is already in the home. Some properties need a furnace repair or replacement. Others call for boiler service, steam system work, or a broader upgrade that includes zoning or newer controls.

Hodges Park sits in the middle of the Uptown civic area and hosts Concerts in the Park through the summer. That part of Park Ridge is surrounded by some of the city’s more established residential streets, which is one reason we still see older heating systems mixed in with newer equipment.

“Marek Slomba was the senior technician in charge of my complicated furnace replacement and his work is excellent! And he is pleasant and a terrific whistler. The more difficult the work, the better the whistling. He is highly recommended. In addition to being an excellent installer, he is a kind person who listened to my concerns and understood my needs.”

Barbara H

Stay warm all winter long! Call Deljo at 773-829-4295 or schedule your heating repair or furnace replacement online today.

Park Ridge Plumbing Repair, Water Heaters & Sewer Service

pipe repair

Plumbing calls can be simple or complicated fast. A clogged drain in South Park, a water heater issue near Village Green, or a sewer problem closer to Dee Road all start with figuring out what is actually happening before recommending a fix.

Deljo handles plumbing services such as:

Some homeowners need one repair and are done. Others are dealing with older piping, repeated drain problems, fixture upgrades, or larger projects involving sewer lines or repiping.

The Golden Triangle is one of Park Ridge’s most sought-after residential areas and gives this side of the city its own distinct character. Closer to the center of town, the Park Ridge Farmers Market at Prairie and Garden Streets runs from late May through late October and brings steady weekend activity into the downtown area.

Facing a drain clog, water heater issue, or pipe repair? Call 773-829-4295 now for fast, expert plumbing service in Park Ridge!

Whole-Home Air Quality & Comfort Controls in Park Ridge

Some Park Ridge homes need more than a furnace or AC replacement to feel right throughout the house. Larger older properties, including homes with natural wood and plaster interiors, can benefit from better humidity control, filtration, purification, or zoning.

Deljo can help with:

Whole-home humidifiers and dehumidifiers give homeowners more control over indoor moisture. Smart thermostats and zoning can also make it easier to manage different parts of the house without relying on one setting for every room.

Centennial Park and Aquatic Center is one of Park Ridge’s main recreation hubs, while the western edge of the city reaches toward Iroquois and Chippewa Woods. The residential areas around those landmarks are another reminder that Park Ridge is not one uniform neighborhood, and comfort needs can vary just as much as the homes themselves.

“Punctual and explained everything he was doing and recommending in great detail.”

Timothy P

A Local Service Area With Distinct Park Ridge Neighborhoods

Uptown is the part of Park Ridge most people recognize first, with the Pickwick Theatre, shopping, dining, and events. South Park has its own commercial center along South Park Avenue, while Village Green mixes residential and retail activity.

The Dee Park area around Oakton Avenue has another concentration of established homes, and farther west the city reaches toward Iroquois and Chippewa Woods. The Higgins Corridor and Dee Road areas add another mix of residential properties and local activity.

Centennial Park and Aquatic Center, Hodges Park, the Golden Triangle, the Pickwick Theatre, and the Park Ridge Farmers Market are among the local destinations that help distinguish different parts of the community.

These are the areas homeowners recognize. They also show why Park Ridge is not one uniform neighborhood and why heating, cooling, plumbing, and indoor air quality needs can vary throughout the city.

Get HVAC & Plumbing Help in Park Ridge

An AC system that quits during a hot stretch, a boiler that starts acting up near Uptown, or a plumbing problem that interrupts a normal morning all need the same thing: a clear diagnosis and a practical fix. Deljo Heating, Cooling & Plumbing works throughout Park Ridge, from South Park and Dee Road to the Higgins Corridor, Village Green, and the neighborhoods near the western forest preserve edge.

Call 773-829-4295 or contact us online today to schedule heating, AC, plumbing, or indoor air quality service in Park Ridge, IL!

Park Ridge Homeowners FAQ

What types of heating systems are common in Park Ridge homes?

A: Central furnaces are common throughout Park Ridge, while boilers and steam systems are still found in older areas near Uptown and Dee Park.

Does Deljo provide AC service for older Park Ridge homes?

A: Yes. Deljo provides AC repair, installation, maintenance, heat pump service, and ductless AC. Some postwar homes were built without central air, which can create retrofit needs today.

What plumbing services does Deljo provide in Park Ridge?

A: Deljo handles emergency plumbing services, drain cleaning, water heaters, whole-home water filters, pipe repair, frozen pipe service, flood control, sump pumps, plumbing fixtures, repiping, sewer lines, and showers and bathtubs.

Can Deljo help with indoor air quality in older Park Ridge homes?

A: Yes. Larger older properties, including homes with natural wood and plaster interiors, can benefit from services such as humidity control, filtration, purification, zoning, thermostats, and other indoor air quality solutions.

Why can HVAC and plumbing needs vary between Park Ridge neighborhoods?

A: Park Ridge includes a mix of older homes, newer construction, postwar properties, and established residential areas. Mechanical systems can therefore vary from older boilers and steam systems to central AC, newer equipment, drains, sump pumps, and whole-home comfort systems.

Page Updated on September 18, 2026

Recent Jobs and Reviews in Park Ridge, IL

Park Ridge, IL at a glance

Deljo Heating, Cooling & Plumbing has completed 20 jobs in Park Ridge, IL between June 2026 and July 2026.

The most recent job was on July 21, 2026.

Deljo Heating, Cooling & Plumbing has completed 159 jobs in Park Ridge, IL in the last 12 months.

Job Locations and Reviews

Performed comprehensive system evaluation of existing residential HVAC unit estimated at 10-15 years of age. Assessed current operational status, accessibility for replacement, and documented existing equipment configuration including air handler, ductwork, thermostat, and refrigerant lines. Provided customer with full system replacement estimate based on equipment age and operational assessment.
Performed comprehensive system evaluation of existing residential HVAC unit estimated at 10-15 years of age. Assessed current operational status, accessibility for replacement, and documented existing equipment configuration including air handler, ductwork, thermostat, and refrigerant lines. Provided customer with full system replacement estimate based on equipment age and operational assessment.
Jake R.
Jake R. Checked in
Performed comprehensive system evaluation of existing residential HVAC unit estimated at 10-15 years of age. Assessed current operational status, accessibility for replacement, and documented existing equipment configuration including air handler, ductwork, thermostat, and refrigerant lines. Provided customer with full system replacement estimate based on equipment age and operational assessment.
Park Ridge, IL 60068
Completed full HVAC system replacement including furnace, evaporator coil, humidifier, and air conditioning condenser unit. Removed existing equipment and installed new furnace with matching evaporator coil in indoor air handler location. Integrated whole-home humidifier into ductwork for enhanced comfort control. Replaced outdoor AC condensing unit on existing concrete pad, connecting refrigerant lines and electrical service. Verified proper system operation using dual port manometer to measure gas pressure readings at 148 and 140 units on ports P1 and P2 respectively. All components tested and confirmed operational. Two-technician installation completed in single day. System commissioned and ready for service.
Completed full HVAC system replacement including furnace, evaporator coil, humidifier, and air conditioning condenser unit. Removed existing equipment and installed new furnace with matching evaporator coil in indoor air handler location. Integrated whole-home humidifier into ductwork for enhanced comfort control. Replaced outdoor AC condensing unit on existing concrete pad, connecting refrigerant lines and electrical service. Verified proper system operation using dual port manometer to measure gas pressure readings at 148 and 140 units on ports P1 and P2 respectively. All components tested and confirmed operational. Two-technician installation completed in single day. System commissioned and ready for service.
Carlos E.
Carlos E. Checked in
Completed full HVAC system replacement including furnace, evaporator coil, humidifier, and air conditioning condenser unit. Removed existing equipment and installed new furnace with matching evaporator coil in indoor air handler location. Integrated whole-home humidifier into ductwork for enhanced comfort control. Replaced outdoor AC condensing unit on existing concrete pad, connecting refrigerant lines and electrical service. Verified proper system operation using dual port manometer to measure gas pressure readings at 148 and 140 units on ports P1 and P2 respectively. All components tested and confirmed operational. Two-technician installation completed in single day. System commissioned and ready for service.
Park Ridge, IL 60068
Replaced condenser unit under warranty coverage. Upon completion, inspected air return vents and documented existing dust accumulation on grille louvers for homeowner awareness. System operational and functioning within manufacturer specifications.
Replaced condenser unit under warranty coverage. Upon completion, inspected air return vents and documented existing dust accumulation on grille louvers for homeowner awareness. System operational and functioning within manufacturer specifications.
Adrian M.
Adrian M. Checked in
Replaced condenser unit under warranty coverage. Upon completion, inspected air return vents and documented existing dust accumulation on grille louvers for homeowner awareness. System operational and functioning within manufacturer specifications.
Park Ridge, IL 60068
Conducted comprehensive heating system replacement estimate for 16-year-old furnace. Evaluated existing HVAC infrastructure including dual outdoor condenser units and indoor climate control system. Documented current equipment condition, system configuration, and thermostat setup with photographic evidence to provide accurate replacement recommendations and specifications.
Conducted comprehensive heating system replacement estimate for 16-year-old furnace. Evaluated existing HVAC infrastructure including dual outdoor condenser units and indoor climate control system. Documented current equipment condition, system configuration, and thermostat setup with photographic evidence to provide accurate replacement recommendations and specifications.
Matthew A.
Matthew A. Checked in
Conducted comprehensive heating system replacement estimate for 16-year-old furnace. Evaluated existing HVAC infrastructure including dual outdoor condenser units and indoor climate control system. Documented current equipment condition, system configuration, and thermostat setup with photographic evidence to provide accurate replacement recommendations and specifications.
Park Ridge, IL 60068
Responded to callback for condensate drain issue on recently installed unit where water was shooting from condensate pipe. Upon inspection, discovered improperly sized or connected PVC condensate drain line causing water discharge problem. Corrected condensate drain piping configuration, ensuring proper slope and secure connections with appropriate primer and cement application. Verified condensate system now draining properly without leaks or water discharge issues.
Responded to callback for condensate drain issue on recently installed unit where water was shooting from condensate pipe. Upon inspection, discovered improperly sized or connected PVC condensate drain line causing water discharge problem. Corrected condensate drain piping configuration, ensuring proper slope and secure connections with appropriate primer and cement application. Verified condensate system now draining properly without leaks or water discharge issues.
Gabe G.
Gabe G. Checked in
Responded to callback for condensate drain issue on recently installed unit where water was shooting from condensate pipe. Upon inspection, discovered improperly sized or connected PVC condensate drain line causing water discharge problem. Corrected condensate drain piping configuration, ensuring proper slope and secure connections with appropriate primer and cement application. Verified condensate system now draining properly without leaks or water discharge issues.
Park Ridge, IL 60068
Responded to no cooling complaint on 10+ year old AC system. Upon inspection, found significant ice accumulation on refrigerant lines and insulation in indoor unit area, indicating restricted airflow or low refrigerant charge. System was making abnormal noise during operation. Inspected outdoor condensing unit and verified proper drainage system operation with PVC condensate lines functioning as designed. Heavy frost buildup on suction line confirmed cooling system malfunction requiring immediate attention to prevent compressor damage.
Responded to no cooling complaint on 10+ year old AC system. Upon inspection, found significant ice accumulation on refrigerant lines and insulation in indoor unit area, indicating restricted airflow or low refrigerant charge. System was making abnormal noise during operation. Inspected outdoor condensing unit and verified proper drainage system operation with PVC condensate lines functioning as designed. Heavy frost buildup on suction line confirmed cooling system malfunction requiring immediate attention to prevent compressor damage.
Gabe G.
Gabe G. Checked in
Responded to no cooling complaint on 10+ year old AC system. Upon inspection, found significant ice accumulation on refrigerant lines and insulation in indoor unit area, indicating restricted airflow or low refrigerant charge. System was making abnormal noise during operation. Inspected outdoor condensing unit and verified proper drainage system operation with PVC condensate lines functioning as designed. Heavy frost buildup on suction line confirmed cooling system malfunction requiring immediate attention to prevent compressor damage.
Park Ridge, IL 60068
Replaced 20-year-old residential air conditioning system and 18-year-old furnace due to failed evaporator coil and complete refrigerant loss in obsolete R22 system. New HVAC equipment installed in basement mechanical room with updated condensate drainage system and exterior condenser unit positioned against brick exterior wall with proper electrical disconnect and refrigerant line routing.
Replaced 20-year-old residential air conditioning system and 18-year-old furnace due to failed evaporator coil and complete refrigerant loss in obsolete R22 system. New HVAC equipment installed in basement mechanical room with updated condensate drainage system and exterior condenser unit positioned against brick exterior wall with proper electrical disconnect and refrigerant line routing.
Michael C.
Michael C. Checked in
Replaced 20-year-old residential air conditioning system and 18-year-old furnace due to failed evaporator coil and complete refrigerant loss in obsolete R22 system. New HVAC equipment installed in basement mechanical room with updated condensate drainage system and exterior condenser unit positioned against brick exterior wall with proper electrical disconnect and refrigerant line routing.
Park Ridge, IL 60068
Responded to no cooling complaint on one-year-old system experiencing inadequate cooling from 3:00 PM through 9:30 PM daily. Performed diagnostic testing of supply air temperatures at ceiling register, recording measurements to verify cooling output. Inspected attic ductwork and identified issues with flexible duct installation showing signs of deterioration and inadequate insulation coverage. Measured supply air temperature at duct run reading 23.7°F temperature differential, indicating potential airflow restriction or heat gain through compromised duct insulation. Documented conditions with photos for further evaluation and recommended ductwork remediation to resolve afternoon cooling deficiency.
Responded to no cooling complaint on one-year-old system experiencing inadequate cooling from 3:00 PM through 9:30 PM daily. Performed diagnostic testing of supply air temperatures at ceiling register, recording measurements to verify cooling output. Inspected attic ductwork and identified issues with flexible duct installation showing signs of deterioration and inadequate insulation coverage. Measured supply air temperature at duct run reading 23.7°F temperature differential, indicating potential airflow restriction or heat gain through compromised duct insulation. Documented conditions with photos for further evaluation and recommended ductwork remediation to resolve afternoon cooling deficiency.
Sam A.
Sam A. Checked in
Responded to no cooling complaint on one-year-old system experiencing inadequate cooling from 3:00 PM through 9:30 PM daily. Performed diagnostic testing of supply air temperatures at ceiling register, recording measurements to verify cooling output. Inspected attic ductwork and identified issues with flexible duct installation showing signs of deterioration and inadequate insulation coverage. Measured supply air temperature at duct run reading 23.7°F temperature differential, indicating potential airflow restriction or heat gain through compromised duct insulation. Documented conditions with photos for further evaluation and recommended ductwork remediation to resolve afternoon cooling deficiency.
Park Ridge, IL 60068
Responded to warranty call for recently installed AC unit not cooling properly on third callback. Diagnosed system as overcharged with refrigerant, causing inefficient cooling operation. Coordinated with customer to schedule complete refrigerant recovery, proper system evacuation, and precise refrigerant recharge by weight to manufacturer specifications. Verified supply air temperature at 55.4°F and documented attic installation conditions. System requires proper refrigerant charge correction to restore optimal cooling performance and efficiency.
Responded to warranty call for recently installed AC unit not cooling properly on third callback. Diagnosed system as overcharged with refrigerant, causing inefficient cooling operation. Coordinated with customer to schedule complete refrigerant recovery, proper system evacuation, and precise refrigerant recharge by weight to manufacturer specifications. Verified supply air temperature at 55.4°F and documented attic installation conditions. System requires proper refrigerant charge correction to restore optimal cooling performance and efficiency.
Adrian M.
Adrian M. Checked in
Responded to warranty call for recently installed AC unit not cooling properly on third callback. Diagnosed system as overcharged with refrigerant, causing inefficient cooling operation. Coordinated with customer to schedule complete refrigerant recovery, proper system evacuation, and precise refrigerant recharge by weight to manufacturer specifications. Verified supply air temperature at 55.4°F and documented attic installation conditions. System requires proper refrigerant charge correction to restore optimal cooling performance and efficiency.
Park Ridge, IL 60068
Responded to no-cool complaint on 15-year-old air conditioning system where operation caused electrical buzzing at fuse box, creating potential fire hazard. Upon arrival, performed visual inspection of indoor air handler and outdoor condensing unit. Noted no visible refrigerant leaks, physical damage, or obvious electrical issues at equipment. Connected manifold gauge set to service ports and recorded system pressures. Inspected evaporator coil, condensate drain system with PVC drainage lines, and associated ductwork in attic space. Evaluated electrical connections at air handler control box and wiring integrity. Based on age of equipment and electrical safety concerns at main panel, recommended system replacement due to potential compressor or electrical component failure causing excessive amperage draw. Advised customer to keep system off until repairs completed to prevent fire risk. Documented conditions with photos of air handler installation and pressure readings for records.
Responded to no-cool complaint on 15-year-old air conditioning system where operation caused electrical buzzing at fuse box, creating potential fire hazard. Upon arrival, performed visual inspection of indoor air handler and outdoor condensing unit. Noted no visible refrigerant leaks, physical damage, or obvious electrical issues at equipment. Connected manifold gauge set to service ports and recorded system pressures. Inspected evaporator coil, condensate drain system with PVC drainage lines, and associated ductwork in attic space. Evaluated electrical connections at air handler control box and wiring integrity. Based on age of equipment and electrical safety concerns at main panel, recommended system replacement due to potential compressor or electrical component failure causing excessive amperage draw. Advised customer to keep system off until repairs completed to prevent fire risk. Documented conditions with photos of air handler installation and pressure readings for records.
Sam A.
Sam A. Checked in
Responded to no-cool complaint on 15-year-old air conditioning system where operation caused electrical buzzing at fuse box, creating potential fire hazard. Upon arrival, performed visual inspection of indoor air handler and outdoor condensing unit. Noted no visible refrigerant leaks, physical damage, or obvious electrical issues at equipment. Connected manifold gauge set to service ports and recorded system pressures. Inspected evaporator coil, condensate drain system with PVC drainage lines, and associated ductwork in attic space. Evaluated electrical connections at air handler control box and wiring integrity. Based on age of equipment and electrical safety concerns at main panel, recommended system replacement due to potential compressor or electrical component failure causing excessive amperage draw. Advised customer to keep system off until repairs completed to prevent fire risk. Documented conditions with photos of air handler installation and pressure readings for records.
Park Ridge, IL 60068
Returned to property to address exterior wall penetration from previous HVAC installation. Patched hole in brick wall where condensate drain line passes through exterior surface. Verified proper sealing around black corrugated drainage pipe and white PVC elbow fitting to prevent water intrusion and maintain building envelope integrity. Documented completed work with photos showing vertical drain line installation along brick facade and proper connection of drainage components.
Returned to property to address exterior wall penetration from previous HVAC installation. Patched hole in brick wall where condensate drain line passes through exterior surface. Verified proper sealing around black corrugated drainage pipe and white PVC elbow fitting to prevent water intrusion and maintain building envelope integrity. Documented completed work with photos showing vertical drain line installation along brick facade and proper connection of drainage components.
Adrian M.
Adrian M. Checked in
Returned to property to address exterior wall penetration from previous HVAC installation. Patched hole in brick wall where condensate drain line passes through exterior surface. Verified proper sealing around black corrugated drainage pipe and white PVC elbow fitting to prevent water intrusion and maintain building envelope integrity. Documented completed work with photos showing vertical drain line installation along brick facade and proper connection of drainage components.
Park Ridge, IL 60068
Completed comprehensive replacement estimate for residential air conditioning system. Existing system utilizes R22 refrigerant and is over 15 years old, with outdoor condensing unit positioned at ground level showing significant rust and weathering on protective enclosure, and indoor air handler/furnace located in basement utility area with vertical ductwork configuration. Assessed equipment condition, measured installation parameters, documented current system layout including refrigerant line routing and electrical connections, and photographed both indoor and outdoor components to provide accurate replacement specifications and pricing options for modern high-efficiency equipment upgrade.
Completed comprehensive replacement estimate for residential air conditioning system. Existing system utilizes R22 refrigerant and is over 15 years old, with outdoor condensing unit positioned at ground level showing significant rust and weathering on protective enclosure, and indoor air handler/furnace located in basement utility area with vertical ductwork configuration. Assessed equipment condition, measured installation parameters, documented current system layout including refrigerant line routing and electrical connections, and photographed both indoor and outdoor components to provide accurate replacement specifications and pricing options for modern high-efficiency equipment upgrade.
Michael C.
Michael C. Checked in
Completed comprehensive replacement estimate for residential air conditioning system. Existing system utilizes R22 refrigerant and is over 15 years old, with outdoor condensing unit positioned at ground level showing significant rust and weathering on protective enclosure, and indoor air handler/furnace located in basement utility area with vertical ductwork configuration. Assessed equipment condition, measured installation parameters, documented current system layout including refrigerant line routing and electrical connections, and photographed both indoor and outdoor components to provide accurate replacement specifications and pricing options for modern high-efficiency equipment upgrade.
Park Ridge, IL 60068
Responded to third callback for recently installed AC unit not cooling properly. Performed diagnostic testing using infrared thermometer to measure supply air temperature at ceiling register, which indicated inadequate cooling performance. Inspected and evaluated return air filter condition and airflow measurements across the system. Documented equipment readings and filter assembly for quality assurance and warranty purposes.
Responded to third callback for recently installed AC unit not cooling properly. Performed diagnostic testing using infrared thermometer to measure supply air temperature at ceiling register, which indicated inadequate cooling performance. Inspected and evaluated return air filter condition and airflow measurements across the system. Documented equipment readings and filter assembly for quality assurance and warranty purposes.
Paul M.
Paul M. Checked in
Responded to third callback for recently installed AC unit not cooling properly. Performed diagnostic testing using infrared thermometer to measure supply air temperature at ceiling register, which indicated inadequate cooling performance. Inspected and evaluated return air filter condition and airflow measurements across the system. Documented equipment readings and filter assembly for quality assurance and warranty purposes.
Park Ridge, IL 60068
# HVAC Install - A/C Only

Successfully completed a full condenser and evaporator coil replacement system. The two-person crew installed the new outdoor condensing unit and matched indoor evaporator coil in the attic space. Following installation, performed complete system evacuation and verified proper vacuum levels, achieving 320 microns as measured by calibrated digital manifold gauges. Charged system to manufacturer specifications, confirmed proper refrigerant pressures, and tested all operational cycles. System is functioning properly with optimal airflow and temperature differential.
# HVAC Install - A/C Only

Successfully completed a full condenser and evaporator coil replacement system. The two-person crew installed the new outdoor condensing unit and matched indoor evaporator coil in the attic space. Following installation, performed complete system evacuation and verified proper vacuum levels, achieving 320 microns as measured by calibrated digital manifold gauges. Charged system to manufacturer specifications, confirmed proper refrigerant pressures, and tested all operational cycles. System is functioning properly with optimal airflow and temperature differential.
Marek S.
Marek S. Checked in
# HVAC Install - A/C Only Successfully completed a full condenser and evaporator coil replacement system. The two-person crew installed the new outdoor condensing unit and matched indoor evaporator coil in the attic space. Following installation, performed complete system evacuation and verified proper vacuum levels, achieving 320 microns as measured by calibrated digital manifold gauges. Charged system to manufacturer specifications, confirmed proper refrigerant pressures, and tested all operational cycles. System is functioning properly with optimal airflow and temperature differential.
Park Ridge, IL 60068
Responded to no-cool call on recently installed AC system with blank thermostat displaying offline status in app. Performed diagnostic inspection of indoor air handler and blower assembly, taking temperature measurements at supply plenum to verify system operation. Identified thermostat communication issue preventing system startup and restored proper function, confirming adequate airflow and refrigerant temperatures throughout system.
Responded to no-cool call on recently installed AC system with blank thermostat displaying offline status in app. Performed diagnostic inspection of indoor air handler and blower assembly, taking temperature measurements at supply plenum to verify system operation. Identified thermostat communication issue preventing system startup and restored proper function, confirming adequate airflow and refrigerant temperatures throughout system.
Sal C.
Sal C. Checked in
Responded to no-cool call on recently installed AC system with blank thermostat displaying offline status in app. Performed diagnostic inspection of indoor air handler and blower assembly, taking temperature measurements at supply plenum to verify system operation. Identified thermostat communication issue preventing system startup and restored proper function, confirming adequate airflow and refrigerant temperatures throughout system.
Park Ridge, IL 60068
Responded to no cooling complaint on 10+ year old system. Found evaporator coil completely iced over due to blower motor failure. Connected manifold gauges to assess system pressures after coil defrosted. Blower motor inoperative, preventing proper airflow across evaporator coil and causing ice buildup. Quoted customer for blower motor replacement and necessary repairs to restore cooling function.
Responded to no cooling complaint on 10+ year old system. Found evaporator coil completely iced over due to blower motor failure. Connected manifold gauges to assess system pressures after coil defrosted. Blower motor inoperative, preventing proper airflow across evaporator coil and causing ice buildup. Quoted customer for blower motor replacement and necessary repairs to restore cooling function.
Sam A.
Sam A. Checked in
Responded to no cooling complaint on 10+ year old system. Found evaporator coil completely iced over due to blower motor failure. Connected manifold gauges to assess system pressures after coil defrosted. Blower motor inoperative, preventing proper airflow across evaporator coil and causing ice buildup. Quoted customer for blower motor replacement and necessary repairs to restore cooling function.
Park Ridge, IL 60068
Conducted comprehensive assessment of non-operational air conditioning system affecting entire residence. Evaluated existing HVAC equipment located in attic space, including air handler unit with connected ductwork and distribution system. Documented current system configuration, including flexible and rigid duct connections, equipment placement on attic platform, and overall mechanical installation condition. Examined outdoor condensing unit and verified system age and operational status. Measured access openings and assessed installation parameters for replacement equipment. Provided detailed estimate for complete HVAC system replacement including removal of existing equipment, installation of new air conditioning system, and necessary modifications to ensure proper operation and code compliance.
Conducted comprehensive assessment of non-operational air conditioning system affecting entire residence. Evaluated existing HVAC equipment located in attic space, including air handler unit with connected ductwork and distribution system. Documented current system configuration, including flexible and rigid duct connections, equipment placement on attic platform, and overall mechanical installation condition. Examined outdoor condensing unit and verified system age and operational status. Measured access openings and assessed installation parameters for replacement equipment. Provided detailed estimate for complete HVAC system replacement including removal of existing equipment, installation of new air conditioning system, and necessary modifications to ensure proper operation and code compliance.
Tyler B.
Tyler B. Checked in
Conducted comprehensive assessment of non-operational air conditioning system affecting entire residence. Evaluated existing HVAC equipment located in attic space, including air handler unit with connected ductwork and distribution system. Documented current system configuration, including flexible and rigid duct connections, equipment placement on attic platform, and overall mechanical installation condition. Examined outdoor condensing unit and verified system age and operational status. Measured access openings and assessed installation parameters for replacement equipment. Provided detailed estimate for complete HVAC system replacement including removal of existing equipment, installation of new air conditioning system, and necessary modifications to ensure proper operation and code compliance.
Park Ridge, IL 60068
Responded to a no-cool call on a 3-year-old air conditioning system affecting the entire home. Upon arrival, performed diagnostic testing of the outdoor unit's electrical components, including capacitor and contactor assembly. Used clamp meter to verify amperage draw and confirmed system was operating at 33.33 amps. Inspected indoor equipment connections and control wiring. System restored to normal cooling operation.
Responded to a no-cool call on a 3-year-old air conditioning system affecting the entire home. Upon arrival, performed diagnostic testing of the outdoor unit's electrical components, including capacitor and contactor assembly. Used clamp meter to verify amperage draw and confirmed system was operating at 33.33 amps. Inspected indoor equipment connections and control wiring. System restored to normal cooling operation.
Paul M.
Paul M. Checked in
Responded to a no-cool call on a 3-year-old air conditioning system affecting the entire home. Upon arrival, performed diagnostic testing of the outdoor unit's electrical components, including capacitor and contactor assembly. Used clamp meter to verify amperage draw and confirmed system was operating at 33.33 amps. Inspected indoor equipment connections and control wiring. System restored to normal cooling operation.
Park Ridge, IL 60068
Completed comprehensive HVAC maintenance agreement inspection on two air conditioning systems and one gas water heater. Performed thorough examination of condenser coils for cleanliness and visible leaks, inspected blower motor and wheel assemblies for debris accumulation, and tested indoor relative humidity levels. Measured refrigerant levels on both AC units to ensure proper system charge and optimal cooling performance.

Cycled and visually inspected all operating controls including thermostats and safety switches to verify proper functionality. Conducted detailed inspection of line voltage switches and associated wiring, checking for secure connections and signs of deterioration. Examined electrical components throughout both systems, ensuring tight terminal connections and identifying any evidence of wear or damage that could impact performance or safety.

Inspected condensate drainage systems on both air handlers to confirm proper operation and prevent potential water damage. Ver
Completed comprehensive HVAC maintenance agreement inspection on two air conditioning systems and one gas water heater. Performed thorough examination of condenser coils for cleanliness and visible leaks, inspected blower motor and wheel assemblies for debris accumulation, and tested indoor relative humidity levels. Measured refrigerant levels on both AC units to ensure proper system charge and optimal cooling performance.

Cycled and visually inspected all operating controls including thermostats and safety switches to verify proper functionality. Conducted detailed inspection of line voltage switches and associated wiring, checking for secure connections and signs of deterioration. Examined electrical components throughout both systems, ensuring tight terminal connections and identifying any evidence of wear or damage that could impact performance or safety.

Inspected condensate drainage systems on both air handlers to confirm proper operation and prevent potential water damage. Ver
Angel G.
Angel G. Checked in
Completed comprehensive HVAC maintenance agreement inspection on two air conditioning systems and one gas water heater. Performed thorough examination of condenser coils for cleanliness and visible leaks, inspected blower motor and wheel assemblies for debris accumulation, and tested indoor relative humidity levels. Measured refrigerant levels on both AC units to ensure proper system charge and optimal cooling performance. Cycled and visually inspected all operating controls including thermostats and safety switches to verify proper functionality. Conducted detailed inspection of line voltage switches and associated wiring, checking for secure connections and signs of deterioration. Examined electrical components throughout both systems, ensuring tight terminal connections and identifying any evidence of wear or damage that could impact performance or safety. Inspected condensate drainage systems on both air handlers to confirm proper operation and prevent potential water damage. Ver
Park Ridge, IL 60068
Responded to service call for AC unit repeatedly tripping breaker. Upon arrival, performed comprehensive electrical diagnostics on outdoor condensing unit. Utilized megohmmeter to test compressor windings and insulation resistance, with readings indicating proper electrical integrity in the "Good" range (1000+ megohms). Inspected all electrical connections, capacitors, and contactors within the unit. Verified proper wire terminations at junction block and checked for any signs of electrical shorts or ground faults. All components tested within normal operating parameters with no evidence of electrical failure that would cause breaker tripping.
Responded to service call for AC unit repeatedly tripping breaker. Upon arrival, performed comprehensive electrical diagnostics on outdoor condensing unit. Utilized megohmmeter to test compressor windings and insulation resistance, with readings indicating proper electrical integrity in the "Good" range (1000+ megohms). Inspected all electrical connections, capacitors, and contactors within the unit. Verified proper wire terminations at junction block and checked for any signs of electrical shorts or ground faults. All components tested within normal operating parameters with no evidence of electrical failure that would cause breaker tripping.
Gabe G.
Gabe G. Checked in
Responded to service call for AC unit repeatedly tripping breaker. Upon arrival, performed comprehensive electrical diagnostics on outdoor condensing unit. Utilized megohmmeter to test compressor windings and insulation resistance, with readings indicating proper electrical integrity in the "Good" range (1000+ megohms). Inspected all electrical connections, capacitors, and contactors within the unit. Verified proper wire terminations at junction block and checked for any signs of electrical shorts or ground faults. All components tested within normal operating parameters with no evidence of electrical failure that would cause breaker tripping.
Park Ridge, IL 60068

Client Testimonials

Read the opinions of our satisfied customers.

5 stars

This was my first time as a Deljo customer, and I was very pleased. My technician, Giovanni, was very thorough and diligent. He serviced my furnace and identified a faulty sensor that was causing the unit to shut itself down. Deljo ordered the part, and Giovanni replaced it a few days later. Overall, the team at Deljo was great. The dispatcher kept me informed about Giovanni’s arrival time, and the supervisor assisted Giovanni when he was diagnosing the problem with the furnace. I highly recommend Deljo.

Paul D. 10/15/2026

5 stars

I’ve used Deljo for over 10 years now and they always do a good job. Izzy was the technician for this visit and he did an excellent job with my winter maintenance on my multiple units in the household. He also addressed an issue while cleaning the furnace blower wheel. His communication was clear and concise with what he planned to do to address the issue quickly. He was confident and I had 0 concerns or questions. Great job Izzy!

Jeff S. 10/14/2026

5 stars

Paul was great! Arrived on time and completed maintenance on my humidifier, tankless water heater, and two furnaces. All work was performed under my Gold Star maintenance program, so all maintenance charges were covered. Paul did provide a few proposals for additional services on furnace & tankless water heater, but those were emailed to me for further consideration. Paul was friendly, knowledgeable, and answered all my questions.

Jack N. 10/12/2026

5 stars

Gabe did an excellent job with our annual service visit. He arrived in the early part of our service window, was friendly and knowledgeable, and got the work done in a very reasonable amount of time. I have great confidence in Deljo, and am a long-time customer.

Ruth C. 10/9/2026

5 stars

I’ve been using Deljo for 20 years for HVAC but now venture into enlisting their plumbing services. Bashar was very courteous, efficient & informative, and I’d definitely request him again for the next plumbing job. Great experience!

Christopher R. 10/2/2026

5 stars

Working with Deljo is always a good experience, and today’s appointment with Izzy was no different. He was able to come early which actually worked better with our schedules, but called me ahead of time to make sure that was okay. He was friendly and knowledgeable when he explained the work he had done during his visit and our options for fixes. He was also able to schedule a quote appointment for us while he was still here. We would highly recommend working with Izzy and the Deljo team!

Lauren H.  9/25/2026

5 stars

Drew performed the seasonal maintenance on my AC. It needed some repairs and updates and he was able to fix everything at the same appointment. He also noticed issues with the hot water heater and we were able to get ahead of that, as well.

Emily W. 9/11/2026

5 stars

I would leave six out of five stars if I could! My technician Jorge went above and beyond on his service. There was buildup in the rental property’s toilet from the previous tenant. One maintenance person did a surface level job of cleaning but did not fully remove the obstruction. Jorge went above and beyond and came to a solution and even explained the perpetual problems older toilet models can cause. Moving forward with this insight, I can perform my own upkeep the previous tenant did not. Thank you kindly!

Kayla K.  9/15/2026

5 stars

We just had our new boiler installed by Jonathan and Carlos. First rate work! They arrived on time, removed the old boiler, installed the new unit, and explained the features. Both guys were pleasant. Bring on the cold this winter! We are ready thanks to the team from Deljo.

Edward B.  6/26/2026

5 stars

Deljo’s heating and cooling team was awesome to work with. As a first-time homeowner, I really appreciated how clearly they explained everything and answered all my questions. From the quote to the install and follow-up, the service was top-notch. Highly recommend!

Lindsey A. Chicago, IL

5 stars

Matt did an amazing job. He serviced our home and our rental property. He gave us options to help our systems run more efficiently. He also told us about Deljo’s new plumbing inspection which was very affordable. He is great!

Jordan R. Chicago, IL

5 stars

We had a problem with our Humidifier and called Deljo. Jesus came out to help and was amazing. He was extremely knowledgeable, detail oriented, and super courteous. Amazing customer experience!

Jeff C. Chicago, IL

5 stars

Jordan and Jesus were extremely helpful and knowledgeable! We would 100% work with them and have them back. They were both very professional and efficiently fixed our heating system.

Emily L. Chicago, IL

5 stars

Shout out to Ernesto for coming out and servicing our furnace and air con. Deljo provides a great service and glad to trust them with our HVAC for our small business.

Lauren H. Chicago, IL

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