Heating or plumbing emergency? We’ve got you covered!

Heating, Cooling, Plumbing & Indoor Air Quality Services in Glenview, IL

Glenview Service Overview

  • Complete Home Comfort Service: Deljo Heating, Cooling & Plumbing provides heating, air conditioning, plumbing, and indoor air quality services throughout Glenview, including established neighborhoods, Downtown Glenview, The Glen, and areas around Waukegan Road and Milwaukee Avenue.
  • Local Service Area: We provide service throughout ZIP codes 60025 and 60026, from Downtown Glenview and The Glen to neighborhoods near Waukegan Road, Milwaukee Avenue, and Glenbrook Hospital. Call 773-280-8251 or contact us online to schedule service in Glenview.

Glenview stretches from established neighborhoods around Waukegan Road and Milwaukee Avenue to the mixed-use development at The Glen, with Downtown Glenview, major healthcare facilities, parks, schools, shopping, and two Metra stations tying the community together. Deljo Heating, Cooling & Plumbing provides heating, air conditioning, plumbing, and indoor air quality services throughout 60025 and 60026.

Contact us online to schedule service in Glenview.

technicians in front of truck

Local Home Comfort Service Across Glenview

Glenview has several distinct areas, and each brings its own mix of residential and commercial activity. Downtown Glenview centers around one of the village’s two Metra stations, while The Glen grew from the former Naval Air Station Glenview into a major mixed-use destination with homes, retail, offices, and community attractions.

The Glen Town Center still reflects that history through the former air base control tower, which was incorporated into the redevelopment and converted to retail space. Kohl Children’s Museum is also located within The Glen development, adding another major community destination to the area.

Farther south and east, Waukegan Road and Milwaukee Avenue form two of Glenview’s primary retail and commercial corridors. Deljo works throughout these different parts of the village, handling everything from routine maintenance and repairs to full equipment replacement and whole-home comfort upgrades.

Solving HVAC, Plumbing & Indoor Air Quality Issues in Glenview

Problem: Glenview homes can have furnaces, boilers, heat pumps, and older steam systems, creating different heating needs depending on the property and its age.

Solution: Deljo provides 24/7 emergency heating service, heating installation, heating repair, heating maintenance, furnace service and replacement, heat pump service, and boiler service.

Problem: Plumbing needs can range from clogged drains and fixture issues to water heater replacement, sewer work, sump pump service, and repiping.

Solution: Deljo provides 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.

Problem: Homeowners may want to improve comfort beyond their heating and cooling equipment through better humidity, filtration, purification, zoning, and temperature control.

Solution: Deljo provides air duct cleaning, Aeroseal, indoor air quality testing, air filtration, purifying ionizers, air purifiers, whole-home humidifiers, whole-home dehumidifiers, thermostats, AC coil and condenser cleaning, and smart zoning solutions.

Air Conditioning Services in Glenview, IL

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

Cooling needs are spread across every part of Glenview, from homes near Downtown Glenview to newer residential areas around The Glen Town Center. The Glen/North Glenview Metra station serves the newer side of the community, while the Downtown Glenview station anchors another busy residential and commuter area.

For cooling needs, Deljo can help with:

Central air conditioning is common throughout Glenview, and high-efficiency replacement is one option for homeowners looking to update their systems. Ductless systems can also provide targeted cooling where a traditional central setup is not the best fit.

The Glen Town Center also hosts Art at the Glen, bringing regional artists and community activity into one of the village’s busiest mixed-use areas. Whether the property is near The Glen, Downtown Glenview, or along one of the major commercial corridors, we focus on the equipment, comfort concerns, and goals of the homeowner.

“Luis Garcia and Richard were very locked in on a new AC install completing in 5 hours. They did a great job. 5 stars. I highly recommend!”

Mikhail C

Heating Services in Glenview, IL

Heating systems in Glenview include furnaces, boilers, heat pumps, and older steam systems. Some of those boiler and steam systems are still found around older parts of 60025 and near the Glenview New Church historic area, which dates to the late 1890s.

Heating services include:

Central furnaces remain common throughout Glenview, while high-efficiency replacements and smart zoning give homeowners additional options when they are ready to update their equipment.

The Glenview New Church historic area gives the village one of its oldest residential settings, while The Glen represents one of its newest major development areas. Deljo services both ends of that spectrum without assuming the same heating solution will work everywhere.

Plumbing Services for Glenview Homes

pipe repair

Plumbing calls in Glenview can range from clogged drains and fixture issues to water heater replacement, sewer work, sump pump service, and repiping. That variety is found across the village, from established residential areas near Downtown Glenview to neighborhoods closer to The Glen.

For plumbing needs, Deljo provides:

Water heater replacement, drain service, and fixture upgrades are all important plumbing needs in Glenview. Some properties may need a focused repair, while others call for larger work involving piping, sewer lines, fixtures, or flood-control equipment.

The Grove National Historic Landmark is one of Glenview’s best-known local landmarks. Managed by the Glenview Park District, the prairie property includes the Kennicott House, built in 1856, along with nature trails and educational programming.

Wagner Farm adds another connection to Glenview’s history through living-history activities and seasonal events. These landmarks sit within a modern suburban community where older residential areas, newer development, parks, retail, and transportation all overlap.

“Excellent service. Professional and knowledgeable. Addressed my AC issue quickly and efficiently. Would highly recommend.”

Stephen Y

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

Indoor Air Quality, Humidification & Smart Controls in Glenview

Indoor comfort in Glenview goes beyond heating and cooling equipment. Whole-home humidification, smart zoning, filtration, purification, and temperature control can all play a role depending on what the homeowner wants to improve.

Whole-home comfort services include:

Smart zoning gives homeowners another way to manage comfort across different areas of the house, while filtration, purification, humidification, and dehumidification address other parts of indoor air quality.

Glenbrook Hospital is one of the village’s major institutional anchors and a Northwestern Medicine affiliate, while the Glenview Park District operates the Park Center, Glenview Ice Center, outdoor pools, and two golf courses. The Glenview Public Library also hosts exhibitions, author talks, films, and other programs throughout the year.

These year-round destinations help define Glenview as more than a collection of neighborhoods. They sit alongside homes, businesses, transportation corridors, and mixed-use areas that all contribute to the way the village functions.

“Wanted a review, evaluation and maintenance of our air conditioning system. Deljo technician Gregory was exceptional in his service, taking apart the compressor, checking the thermostat, the return and delivery vents and everything in between, explaining how it all works. The system has emitted a low grumbling noise recently and Gregory explained how the ball bearings in the motor are wearing down, with an estimate of the cost to replace the motor.”

Patrick H

Glenview Service From Waukegan Road to The Glen

The Waukegan Road and Milwaukee Avenue corridors connect several of Glenview’s key residential and commercial areas. Downtown Glenview, The Glen, the Glenview New Church historic area, Glenbrook Hospital, and the two Metra stations all provide recognizable reference points across the village.

That range is what makes Glenview a broad service area. A call near The Glen Town Center may involve a different system or property type than one closer to Downtown Glenview or the historic residential areas, but the goal stays the same: diagnose the issue clearly and recommend the right repair, maintenance, or replacement option.

Schedule Heating, AC, Plumbing & Indoor Air Quality Service in Glenview, IL

Glenview homeowners can count on Deljo Heating, Cooling & Plumbing for heating, cooling, plumbing, and indoor air quality service throughout the community, from Downtown Glenview and The Glen to neighborhoods near Waukegan Road, Milwaukee Avenue, and Glenbrook Hospital.

“Luis Garcia and Richard were very locked in on a new AC install completing in 5 hours. They did a great job. 5 stars. I highly recommend!”

Mikhail C

We provide practical solutions for repairs, maintenance, system replacements, and whole-home comfort needs across ZIP codes 60025 and 60026. Call

773-280-8251 or contact us online to schedule service in Glenview.

Frequently Asked Questions About Plumbing and HVAC in Glenview

How do I know if I need water heater repair or replacement?

A: If your water heater is more than 10 years old, struggles to provide consistent hot water, or makes loud popping or banging noises, it needs attention. Our Glenview team offers both water heater repairs and full replacements, including tankless options, so you get reliable hot water with the best long-term value.

What is the average lifespan of a furnace in Glenview, IL?

A: Most furnaces last 15-20 years with proper maintenance. If your unit is approaching this age and experiencing frequent breakdowns or uneven heating, a new furnace can be more cost-effective than repeated repairs while improving comfort and efficiency.

Do you offer emergency plumbing services in Glenview?

A: Yes. Plumbing emergencies can’t wait, which is why our licensed plumbers are available 24/7. From burst pipes to backed-up drains, the goal is to protect your home and prevent further damage with a fast, safe repair.

What should I check if my air conditioner stops working?

A: Start with simple steps: verify thermostat settings, replace a clogged air filter, and check that the outdoor unit has clear airflow. If it still won’t cool, schedule AC repair so a technician can test refrigerant levels, electrical components, and airflow to pinpoint the issue.

How can I save money on plumbing and HVAC services?

A: Preventive maintenance reduces surprise breakdowns and helps systems run efficiently. Joining Deljo’s maintenance program provides priority scheduling and member-only savings, which can offset the cost of routine care and extend equipment life.

Page Updated on September 18, 2026

 

Recent Jobs and Reviews in Glenview, IL

Glenview, IL at a glance

Deljo Heating, Cooling & Plumbing has completed 20 jobs in Glenview, IL between August 2026 and November 2026.

The most recent job was on November 4, 2026.

Deljo Heating, Cooling & Plumbing has completed 78 jobs in Glenview, IL in the last 12 months.

Job Locations and Reviews

Responded to a no-heat call on a 2-year-old furnace and found water leaking from the unit, with water damage on the ceiling below (bubbling, peeling paint and staining) and a torn, rust-stained insulation panel inside the cabinet near the refrigerant line, which showed heat discoloration. Documented the damage with photos and inspected the cabinet and line set to identify the source of the leak; the unit is under warranty, so the findings were recorded to support the warranty claim.
Responded to a no-heat call on a 2-year-old furnace and found water leaking from the unit, with water damage on the ceiling below (bubbling, peeling paint and staining) and a torn, rust-stained insulation panel inside the cabinet near the refrigerant line, which showed heat discoloration. Documented the damage with photos and inspected the cabinet and line set to identify the source of the leak; the unit is under warranty, so the findings were recorded to support the warranty claim.
Jonathan M.
Jonathan M. Checked in
Responded to a no-heat call on a 2-year-old furnace and found water leaking from the unit, with water damage on the ceiling below (bubbling, peeling paint and staining) and a torn, rust-stained insulation panel inside the cabinet near the refrigerant line, which showed heat discoloration. Documented the damage with photos and inspected the cabinet and line set to identify the source of the leak; the unit is under warranty, so the findings were recorded to support the warranty claim.
Glenview, IL 60025
Performed scheduled preventive maintenance on a gas furnace under the service agreement, including inspection of the blower assembly and verification of supply air temperature with a digital thermometer. The blower wheel was found clean and free of debris, rust, or damage, and the system was left in good operating condition.
Performed scheduled preventive maintenance on a gas furnace under the service agreement, including inspection of the blower assembly and verification of supply air temperature with a digital thermometer. The blower wheel was found clean and free of debris, rust, or damage, and the system was left in good operating condition.
Joe A.
Joe A. Checked in
Performed scheduled preventive maintenance on a gas furnace under the service agreement, including inspection of the blower assembly and verification of supply air temperature with a digital thermometer. The blower wheel was found clean and free of debris, rust, or damage, and the system was left in good operating condition.
Glenview, IL 60025
Completed annual maintenance on two gas furnaces, water heaters, and humidifiers, including inspection and servicing of heating equipment and replacement of 20x25x1 air filters. Humidifier evaporator pads were found heavily scaled with calcium and mineral deposits and clogged, indicating the need for replacement to restore proper humidification performance. Performed electrical diagnostics with multimeter and clamp meter to verify system operation.
Completed annual maintenance on two gas furnaces, water heaters, and humidifiers, including inspection and servicing of heating equipment and replacement of 20x25x1 air filters. Humidifier evaporator pads were found heavily scaled with calcium and mineral deposits and clogged, indicating the need for replacement to restore proper humidification performance. Performed electrical diagnostics with multimeter and clamp meter to verify system operation.
Gabe G.
Gabe G. Checked in
Completed annual maintenance on two gas furnaces, water heaters, and humidifiers, including inspection and servicing of heating equipment and replacement of 20x25x1 air filters. Humidifier evaporator pads were found heavily scaled with calcium and mineral deposits and clogged, indicating the need for replacement to restore proper humidification performance. Performed electrical diagnostics with multimeter and clamp meter to verify system operation.
Glenview, IL 60026
Removed the floor drain cover and cleared the clogged drain using a wet/dry vacuum to extract standing water and blockage material from the line. Drain was restored to proper flow, and the work area was cleaned and the cover reinstalled. Noted heavy charring and rust staining around the drain opening and corroded cover hardware, which may warrant further inspection or replacement.
Removed the floor drain cover and cleared the clogged drain using a wet/dry vacuum to extract standing water and blockage material from the line. Drain was restored to proper flow, and the work area was cleaned and the cover reinstalled. Noted heavy charring and rust staining around the drain opening and corroded cover hardware, which may warrant further inspection or replacement.
Justin P.
Justin P. Checked in
Removed the floor drain cover and cleared the clogged drain using a wet/dry vacuum to extract standing water and blockage material from the line. Drain was restored to proper flow, and the work area was cleaned and the cover reinstalled. Noted heavy charring and rust staining around the drain opening and corroded cover hardware, which may warrant further inspection or replacement.
Glenview, IL 60025
Performed annual maintenance on the gas furnace and humidifier, including a visual inspection of the inducer motor, pressure switches, gas valve, burner assembly, and control board. Cleaned the blower compartment and removed accumulated dust from the squirrel-cage blower wheel and housing to restore proper airflow. Replaced the 24x25x1 air filter and the #10 humidifier pad, and verified the gas shutoff and wiring connections were intact.
Performed annual maintenance on the gas furnace and humidifier, including a visual inspection of the inducer motor, pressure switches, gas valve, burner assembly, and control board. Cleaned the blower compartment and removed accumulated dust from the squirrel-cage blower wheel and housing to restore proper airflow. Replaced the 24x25x1 air filter and the #10 humidifier pad, and verified the gas shutoff and wiring connections were intact.
Gabe G.
Gabe G. Checked in
Performed annual maintenance on the gas furnace and humidifier, including a visual inspection of the inducer motor, pressure switches, gas valve, burner assembly, and control board. Cleaned the blower compartment and removed accumulated dust from the squirrel-cage blower wheel and housing to restore proper airflow. Replaced the 24x25x1 air filter and the #10 humidifier pad, and verified the gas shutoff and wiring connections were intact.
Glenview, IL 60025
Performed seasonal maintenance on one furnace, one humidifier, and one gas water heater under the maintenance agreement. Inspected the furnace burner flame through the sight glass and confirmed a stable blue flame, and serviced the humidifier. Inspected the water heater and noted rust, discoloration, and debris at the burner access area, recommending monitoring and further cleaning or evaluation as needed.
Performed seasonal maintenance on one furnace, one humidifier, and one gas water heater under the maintenance agreement. Inspected the furnace burner flame through the sight glass and confirmed a stable blue flame, and serviced the humidifier. Inspected the water heater and noted rust, discoloration, and debris at the burner access area, recommending monitoring and further cleaning or evaluation as needed.
Sam A.
Sam A. Checked in
Performed seasonal maintenance on one furnace, one humidifier, and one gas water heater under the maintenance agreement. Inspected the furnace burner flame through the sight glass and confirmed a stable blue flame, and serviced the humidifier. Inspected the water heater and noted rust, discoloration, and debris at the burner access area, recommending monitoring and further cleaning or evaluation as needed.
Glenview, IL 60025
Completed comprehensive plumbing inspection of residential property, examining all accessible fixtures, drains, and supply lines throughout the home. Inspected utility sink and cabinet plumbing in laundry area, verifying proper drainage and supply connections. Examined kitchen sink plumbing system including InSinkErator Pro 850-T garbage disposal unit, associated drain lines, flexible supply connections, and white PVC drainage piping for leaks or deterioration. Verified water filtration system connections and proper operation. Replaced two 16x25x4 air filters on HVAC furnace units as part of routine maintenance. All plumbing fixtures, connections, and drainage systems found to be functioning properly with no leaks or issues identified during inspection.
Completed comprehensive plumbing inspection of residential property, examining all accessible fixtures, drains, and supply lines throughout the home. Inspected utility sink and cabinet plumbing in laundry area, verifying proper drainage and supply connections. Examined kitchen sink plumbing system including InSinkErator Pro 850-T garbage disposal unit, associated drain lines, flexible supply connections, and white PVC drainage piping for leaks or deterioration. Verified water filtration system connections and proper operation. Replaced two 16x25x4 air filters on HVAC furnace units as part of routine maintenance. All plumbing fixtures, connections, and drainage systems found to be functioning properly with no leaks or issues identified during inspection.
Jorge D.
Jorge D. Checked in
Completed comprehensive plumbing inspection of residential property, examining all accessible fixtures, drains, and supply lines throughout the home. Inspected utility sink and cabinet plumbing in laundry area, verifying proper drainage and supply connections. Examined kitchen sink plumbing system including InSinkErator Pro 850-T garbage disposal unit, associated drain lines, flexible supply connections, and white PVC drainage piping for leaks or deterioration. Verified water filtration system connections and proper operation. Replaced two 16x25x4 air filters on HVAC furnace units as part of routine maintenance. All plumbing fixtures, connections, and drainage systems found to be functioning properly with no leaks or issues identified during inspection.
Glenview, IL 60025
Completed courtesy check on two furnaces, two humidifiers, and two Navien tankless water heaters. Performed visual inspection of both wall-mounted Navien units, verified proper operation of digital control panels, and inspected copper piping connections for both systems. Conducted water quality testing on the tankless water heaters to ensure optimal performance and prevent scale buildup. All equipment operating within normal parameters with no issues identified at time of service.
Completed courtesy check on two furnaces, two humidifiers, and two Navien tankless water heaters. Performed visual inspection of both wall-mounted Navien units, verified proper operation of digital control panels, and inspected copper piping connections for both systems. Conducted water quality testing on the tankless water heaters to ensure optimal performance and prevent scale buildup. All equipment operating within normal parameters with no issues identified at time of service.
Charlie B.
Charlie B. Checked in
Completed courtesy check on two furnaces, two humidifiers, and two Navien tankless water heaters. Performed visual inspection of both wall-mounted Navien units, verified proper operation of digital control panels, and inspected copper piping connections for both systems. Conducted water quality testing on the tankless water heaters to ensure optimal performance and prevent scale buildup. All equipment operating within normal parameters with no issues identified at time of service.
Glenview, IL 60025
Responded to gas leak detected under stove by Nicor. Inspected gas piping system and identified loose valve connection at appliance supply line. Tightened valve fitting to manufacturer specifications and performed leak test using combustible gas detector to verify repair. Added plumbing service coverage to existing gas service agreement for continued maintenance and safety monitoring.
Responded to gas leak detected under stove by Nicor. Inspected gas piping system and identified loose valve connection at appliance supply line. Tightened valve fitting to manufacturer specifications and performed leak test using combustible gas detector to verify repair. Added plumbing service coverage to existing gas service agreement for continued maintenance and safety monitoring.
Jorge D.
Jorge D. Checked in
Responded to gas leak detected under stove by Nicor. Inspected gas piping system and identified loose valve connection at appliance supply line. Tightened valve fitting to manufacturer specifications and performed leak test using combustible gas detector to verify repair. Added plumbing service coverage to existing gas service agreement for continued maintenance and safety monitoring.
Glenview, IL 60026
Glenview, IL - Responded to service call for toilet running constantly. Upon inspection, found aging flush valve assembly with worn flapper valve causing continuous water flow into bowl. Replaced defective flapper valve and adjusted fill valve to proper water level, restoring normal tank operation and eliminating water waste.
Bashar D.
Bashar D. Checked in
Responded to service call for toilet running constantly. Upon inspection, found aging flush valve assembly with worn flapper valve causing continuous water flow into bowl. Replaced defective flapper valve and adjusted fill valve to proper water level, restoring normal tank operation and eliminating water waste.
Glenview, IL 60025
Completed preventative maintenance agreement service on two condenser units. Performed comprehensive inspection including temperature readings at supply register showing 51.9°F, verified proper operation of outdoor condensing unit, and documented equipment condition through photographic records. All systems operating within normal parameters upon completion of scheduled maintenance.
Completed preventative maintenance agreement service on two condenser units. Performed comprehensive inspection including temperature readings at supply register showing 51.9°F, verified proper operation of outdoor condensing unit, and documented equipment condition through photographic records. All systems operating within normal parameters upon completion of scheduled maintenance.
Giovanni M.
Giovanni M. Checked in
Completed preventative maintenance agreement service on two condenser units. Performed comprehensive inspection including temperature readings at supply register showing 51.9°F, verified proper operation of outdoor condensing unit, and documented equipment condition through photographic records. All systems operating within normal parameters upon completion of scheduled maintenance.
Glenview, IL 60025
Responded to warranty callback for ductless mini-split system with frozen evaporator coils. Upon arrival, confirmed coil freeze condition and instructed homeowner to keep unit powered off to allow complete defrost cycle. Inspected air filters and found moderate dust accumulation on one filter, though both filters remained serviceable. Documented unit condition and filter status with photos for warranty records, recommended continued monitoring after defrost period is complete.
Responded to warranty callback for ductless mini-split system with frozen evaporator coils. Upon arrival, confirmed coil freeze condition and instructed homeowner to keep unit powered off to allow complete defrost cycle. Inspected air filters and found moderate dust accumulation on one filter, though both filters remained serviceable. Documented unit condition and filter status with photos for warranty records, recommended continued monitoring after defrost period is complete.
Paul M.
Paul M. Checked in
Responded to warranty callback for ductless mini-split system with frozen evaporator coils. Upon arrival, confirmed coil freeze condition and instructed homeowner to keep unit powered off to allow complete defrost cycle. Inspected air filters and found moderate dust accumulation on one filter, though both filters remained serviceable. Documented unit condition and filter status with photos for warranty records, recommended continued monitoring after defrost period is complete.
Glenview, IL 60025
Successfully completed installation of new rear system air conditioning equipment. Replaced condenser unit positioned closest to garage and installed new evaporator coil on existing basement furnace. Verified thermostat programming and system operation upon completion.
Successfully completed installation of new rear system air conditioning equipment. Replaced condenser unit positioned closest to garage and installed new evaporator coil on existing basement furnace. Verified thermostat programming and system operation upon completion.
Jonathan R.
Jonathan R. Checked in
Successfully completed installation of new rear system air conditioning equipment. Replaced condenser unit positioned closest to garage and installed new evaporator coil on existing basement furnace. Verified thermostat programming and system operation upon completion.
Glenview, IL 60025
Completed HVAC maintenance agreement inspection on residential air conditioning system. Performed routine inspection of outdoor condenser unit, checked refrigerant lines, and documented equipment condition with photographs showing normal wear and outdoor weathering but no critical issues requiring immediate attention.
Completed HVAC maintenance agreement inspection on residential air conditioning system. Performed routine inspection of outdoor condenser unit, checked refrigerant lines, and documented equipment condition with photographs showing normal wear and outdoor weathering but no critical issues requiring immediate attention.
Angel G.
Angel G. Checked in
Completed HVAC maintenance agreement inspection on residential air conditioning system. Performed routine inspection of outdoor condenser unit, checked refrigerant lines, and documented equipment condition with photographs showing normal wear and outdoor weathering but no critical issues requiring immediate attention.
Glenview, IL 60025
Responded to no cooling complaint on bedroom mini-split system. Upon inspection, discovered refrigerant leak in evaporator coil assembly. Removed indoor unit cover to access internal components and confirmed leak location through visual inspection and system pressure analysis. Documented equipment condition showing compromised coil integrity requiring refrigerant recovery and system repair or component replacement to restore proper cooling operation.
Responded to no cooling complaint on bedroom mini-split system. Upon inspection, discovered refrigerant leak in evaporator coil assembly. Removed indoor unit cover to access internal components and confirmed leak location through visual inspection and system pressure analysis. Documented equipment condition showing compromised coil integrity requiring refrigerant recovery and system repair or component replacement to restore proper cooling operation.
Gerardo M.
Gerardo M. Checked in
Responded to no cooling complaint on bedroom mini-split system. Upon inspection, discovered refrigerant leak in evaporator coil assembly. Removed indoor unit cover to access internal components and confirmed leak location through visual inspection and system pressure analysis. Documented equipment condition showing compromised coil integrity requiring refrigerant recovery and system repair or component replacement to restore proper cooling operation.
Glenview, IL 60026
Completed HVAC estimate for replacement of aging ranch house basement air conditioning system. Unit was found low on R22 refrigerant with a faulty capacitor, indicating the system had reached end of serviceable life. Provided comprehensive replacement options and recommendations for modern, energy-efficient equipment to replace the obsolete R22-dependent system.
Completed HVAC estimate for replacement of aging ranch house basement air conditioning system. Unit was found low on R22 refrigerant with a faulty capacitor, indicating the system had reached end of serviceable life. Provided comprehensive replacement options and recommendations for modern, energy-efficient equipment to replace the obsolete R22-dependent system.
Jake R.
Jake R. Checked in
Completed HVAC estimate for replacement of aging ranch house basement air conditioning system. Unit was found low on R22 refrigerant with a faulty capacitor, indicating the system had reached end of serviceable life. Provided comprehensive replacement options and recommendations for modern, energy-efficient equipment to replace the obsolete R22-dependent system.
Glenview, IL 60025
Performed preventative maintenance agreement service on two outdoor condensing units. Both units showed signs of weathering with dirt accumulation and exterior discoloration. Inspected fan assemblies, refrigerant line sets with insulation, and electrical connections. Documented equipment condition with moss/algae growth present on surrounding brick foundation and evidence of moisture-related staining requiring attention for optimal airflow and performance.
Performed preventative maintenance agreement service on two outdoor condensing units. Both units showed signs of weathering with dirt accumulation and exterior discoloration. Inspected fan assemblies, refrigerant line sets with insulation, and electrical connections. Documented equipment condition with moss/algae growth present on surrounding brick foundation and evidence of moisture-related staining requiring attention for optimal airflow and performance.
Sam A.
Sam A. Checked in
Performed preventative maintenance agreement service on two outdoor condensing units. Both units showed signs of weathering with dirt accumulation and exterior discoloration. Inspected fan assemblies, refrigerant line sets with insulation, and electrical connections. Documented equipment condition with moss/algae growth present on surrounding brick foundation and evidence of moisture-related staining requiring attention for optimal airflow and performance.
Glenview, IL 60025
Completed comprehensive AC tune-up on 23-year-old outdoor condensing unit addressing high humidity concerns in apartment. Performed full system inspection, cleaned condenser coils, checked electrical connections and capacitor functionality, verified refrigerant levels, and tested system operation. Unit showed signs of age with visible corrosion on fan grille and accumulated debris, but all components were serviced and system restored to proper working condition.
Completed comprehensive AC tune-up on 23-year-old outdoor condensing unit addressing high humidity concerns in apartment. Performed full system inspection, cleaned condenser coils, checked electrical connections and capacitor functionality, verified refrigerant levels, and tested system operation. Unit showed signs of age with visible corrosion on fan grille and accumulated debris, but all components were serviced and system restored to proper working condition.
Drew W.
Drew W. Checked in
Completed comprehensive AC tune-up on 23-year-old outdoor condensing unit addressing high humidity concerns in apartment. Performed full system inspection, cleaned condenser coils, checked electrical connections and capacitor functionality, verified refrigerant levels, and tested system operation. Unit showed signs of age with visible corrosion on fan grille and accumulated debris, but all components were serviced and system restored to proper working condition.
Glenview, IL 60026
Completed scheduled HVAC maintenance agreement service on dual-zone system consisting of two gas furnaces with corresponding outdoor condenser units. Performed comprehensive system inspection of indoor equipment, verified proper operation of both heating units, and inspected ductwork connections. Installed new 16x25x1 air filters in both furnace returns to ensure optimal airflow and system efficiency. Inspected outdoor condenser units and documented condition, noting significant debris accumulation on condenser coils requiring cleaning to maintain proper heat transfer and system performance.
Completed scheduled HVAC maintenance agreement service on dual-zone system consisting of two gas furnaces with corresponding outdoor condenser units. Performed comprehensive system inspection of indoor equipment, verified proper operation of both heating units, and inspected ductwork connections. Installed new 16x25x1 air filters in both furnace returns to ensure optimal airflow and system efficiency. Inspected outdoor condenser units and documented condition, noting significant debris accumulation on condenser coils requiring cleaning to maintain proper heat transfer and system performance.
Ernesto G.
Ernesto G. Checked in
Completed scheduled HVAC maintenance agreement service on dual-zone system consisting of two gas furnaces with corresponding outdoor condenser units. Performed comprehensive system inspection of indoor equipment, verified proper operation of both heating units, and inspected ductwork connections. Installed new 16x25x1 air filters in both furnace returns to ensure optimal airflow and system efficiency. Inspected outdoor condenser units and documented condition, noting significant debris accumulation on condenser coils requiring cleaning to maintain proper heat transfer and system performance.
Glenview, IL 60025
Completed preventive maintenance on CC 1 condenser unit per maintenance agreement terms. Connected manifold gauge set to verify refrigerant pressures and system performance on the outdoor condensing unit. Inspected 20x25x4 media filter at Trane XR95 furnace, which was noted as not included in this service agreement per customer specifications.
Completed preventive maintenance on CC 1 condenser unit per maintenance agreement terms. Connected manifold gauge set to verify refrigerant pressures and system performance on the outdoor condensing unit. Inspected 20x25x4 media filter at Trane XR95 furnace, which was noted as not included in this service agreement per customer specifications.
Sam A.
Sam A. Checked in
Completed preventive maintenance on CC 1 condenser unit per maintenance agreement terms. Connected manifold gauge set to verify refrigerant pressures and system performance on the outdoor condensing unit. Inspected 20x25x4 media filter at Trane XR95 furnace, which was noted as not included in this service agreement per customer specifications.
Glenview, IL 60025

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

phone and letter icon
Questions? We Can Help! Contact Us Today!