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Heating, Cooling, Plumbing & Indoor Air Quality Services in Old Town & Gold Coast, IL

Old Town & Gold Coast Service Overview

  • Historic Residential Properties: Old Town and the Gold Coast include pre-1900 rowhomes, mansions, historic residences, and older properties where the mechanical system needs to be considered alongside the building itself.
  • High-Rise & Modern Residences: Newer high-rise residences closer to Lake Shore Drive and Oak Street can have very different heating, cooling, plumbing, and comfort requirements.
  • Full-Service Mechanical Trades: Deljo Heating, Cooling & Plumbing provides heating, cooling, plumbing, and indoor air quality service throughout Old Town, the Gold Coast, and the 60610 ZIP code.

In Old Town and the Gold Coast, the mechanical system is only part of the job. A pre-1900 rowhome along Astor Street may have original plaster, detailed woodwork, and hydronic heat that deserves a careful approach, while a modern high-rise closer to Lake Shore Drive presents a completely different set of comfort needs. Here, getting the work right often means improving the system without losing sight of the property around it.

Deljo Heating, Cooling & Plumbing provides heating, cooling, plumbing, and indoor air quality service throughout Old Town, the Gold Coast, and the 60610 ZIP code. Call 773-829-4295 or contact us online to schedule service.

technicians in front of truck

Home Services Built Around Historic & Modern Chicago Properties

Old Town and the Gold Coast bring together historic rowhomes, mansions, multi-level residences, and modern high-rise condos. The right heating, cooling, plumbing, or indoor air quality approach depends on the property, the existing system, and how much of the finished space needs to remain undisturbed.

Solving HVAC, Plumbing & Indoor Air Quality Issues in Old Town & Gold Coast

Problem: Older residences can have historic finishes, plaster, woodwork, and hydronic systems that require careful service, while high-rise residences can have individual systems and building conditions that create a completely different set of requirements.

Solution: Deljo evaluates the actual property and mechanical system before determining whether repair, maintenance, replacement, airflow improvements, humidity control, or another service is appropriate.

Boiler, Steam & Heating Service in Old Town & Gold Coast

Steam and hot-water boilers remain an important part of heating service in the neighborhood’s older residences. Mansions and pre-war rowhomes around Astor Street and the Old Town Triangle can still rely on hydronic systems that have served the property for decades.

Elsewhere in 60610, furnaces, heat pumps, and newer high-efficiency equipment are part of the mix. In high-rise residences closer to the lakefront, the heating setup can be completely different from what we find in a rowhome or mansion farther west. When an Old Town or Gold Coast heating system needs attention, the work may involve:

A heating call near the Charnley-Persky House may involve a very different system from one closer to Oak Street or Lake Shore Drive. We focus on how the property is actually heated before deciding whether repair, maintenance, or replacement is the right path.

“Sam was very knowledgeable and easy to work with. He was patient and capable of explaining the situation with ease.”

Eric P

Stay warm all winter long! Call Deljo at 773-829-4295 to schedule heating service in Old Town or the Gold Coast.

AC Repair, Ductless Cooling & Discreet System Upgrades

Cooling can be one of the trickier parts of working in older Old Town and Gold Coast residences. Conventional ductwork is not always practical where homeowners want to preserve plaster, millwork, or other finished surfaces. Ductless and concealed systems can offer another way to add or improve cooling without making the installation more disruptive than it needs to be.

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

The high-rise side of the neighborhood brings a different set of conditions. Units closer to Lake Shore Drive can have their own cooling systems, different exposures, and very different load demands from the older homes farther west. For cooling that fits the property instead of fighting against it, Deljo offers:

The Old Town Art Fair fills Wisconsin and Lincoln avenues each June, while the Gold Coast Art Fair brings more summer activity nearby. Inside the home, we are focused on keeping the space comfortable with a system that works naturally with the building.

“Had the A/C Checked out and some other things to the roof unit. Mr Mora was quick and efficient at checking things out and doing what needed to be done. Yep, it’s cold.”

Kenneth B

Beat the summer heat with reliable AC service! Call Deljo at 773-829-4295 to schedule cooling service in Old Town or the Gold Coast.

Indoor Air Quality, Humidity & Smart Comfort Controls

Comfort problems in Old Town and the Gold Coast are not always tied to failed equipment. In larger multi-level homes along Astor Street or North State Parkway, one floor can feel very different from another. Original plaster, natural woodwork, and older interiors can also make humidity control more noticeable, especially during Chicago winters.

High-rise condos bring their own concerns. Residents closer to Lake Shore Drive or Oak Street may be more focused on thermostat control, filtration, and getting better performance from an individual system without making unnecessary changes to the rest of the unit. For homes where comfort depends on more than temperature alone, Deljo can help with:

The goal is practical: better airflow, more balanced humidity, cleaner air, and controls that make the system easier to live with every day.

Plumbing Service for Old Town Homes & Gold Coast Residences

Plumbing work here can be as much about access and care as the repair itself. In an older rowhome or mansion, a pipe repair, fixture replacement, or bathroom update may need to be completed around finished surfaces the homeowner wants protected. In a high-rise residence, access and shared building infrastructure can become part of the job.

pipe repair

Around Astor Street, Oak Street, Rush Street, and the Old Town Triangle, plumbing needs range from everyday repairs to larger upgrades in kitchens and bathrooms. When plumbing problems show up, Deljo can take care of:

Whether we are tracing a leak, replacing a fixture, or working around a finished interior, the goal is to solve the problem cleanly and keep unnecessary disruption to a minimum.

“Greg was professional, prompt, attentive. Actively answered questions and offered advice. Would use this service again.”

Jeremy G

Need plumbing help in Old Town or the Gold Coast? Call Deljo at 773-829-4295 to schedule service.

Local Service From Astor Street to the Old Town Triangle

The Gold Coast stretches from North Avenue to Oak Street and from Lake Shore Drive west to Clark Street, bringing mansions, rowhomes, and high-rise residences into a compact part of Chicago. Astor Street remains one of the area’s defining residential corridors, while Oak Street and Rush Street add a much busier commercial and entertainment side.

Old Town shifts the feel again. The Old Town Triangle preserves much of the neighborhood’s 19th-century character, while Second City anchors an active entertainment district nearby. North State Parkway adds another tree-lined residential corridor with Victorian and Edwardian architecture.

That mix matters on service calls. One address may involve a boiler serving a multi-level historic home, while another may involve newer forced-air equipment or condo systems in a high-rise only a few blocks away.

Comfort Service That Respects the Property

Homeowners in Old Town and the Gold Coast are often looking for two things at once: dependable comfort and work that respects the property itself. That can mean preserving a boiler that still makes sense, improving cooling without tearing into finished spaces, or handling a plumbing repair with as little disruption as possible.

Deljo Heating, Cooling & Plumbing provides heating, cooling, plumbing, and indoor air quality service throughout Old Town, the Gold Coast, Astor Street, the Old Town Triangle, North State Parkway, Oak Street, Rush Street, and the surrounding 60610 ZIP code. Call 773-829-4295 or contact us online to schedule service.

Old Town & Gold Coast Homeowners FAQ

What heating services does Deljo provide in Old Town and the Gold Coast?

A: Deljo provides heating installation, heating repair, heating maintenance, furnace service and replacement, heat pump service, and boiler service.

Does Deljo service boiler and steam heating systems?

A: Yes. Boiler service is included among Deljo’s heating services, and steam and hot-water boilers remain an important part of heating service in many older residences in the area.

Does Deljo provide AC repair and installation in Old Town and the Gold Coast?

A: Yes. Deljo provides AC repair, AC installation, AC maintenance, heat pump service, and ductless AC service.

Can ductless cooling be useful in older Old Town or Gold Coast homes?

A: Ductless and concealed systems can offer another way to add or improve cooling where conventional ductwork is not practical or where homeowners want to preserve plaster, millwork, or other finished surfaces.

What indoor air quality services does Deljo provide?

A: Deljo can help with air duct cleaning, Aeroseal, indoor air quality inspection and testing, air filtration, purifying ionizers, air purifiers, whole-home humidifiers, whole-home dehumidifiers, thermostats, and AC coil and condenser cleaning.

What plumbing services are available in Old Town and the Gold Coast?

A: 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.

Page Updated on September 18, 2026

Recent Jobs and Reviews in Chicago, IL

Chicago, IL at a glance

Deljo Heating, Cooling & Plumbing has completed 20 jobs in Chicago, IL on September 17, 2026.

Job Locations and Reviews

Chicago, IL - Responded to callback for whistling noise from recently installed AC system. Upon inspection, discovered inadequate sealing at ductwork connection point where supply plenum meets main trunk line. Removed and reseated insulation at the affected joint, ensuring proper fit and eliminating air gaps causing the audible whistle. Tested system operation and confirmed noise was eliminated with unit running at full capacity.
Charlie B.
Charlie B. Checked in
Responded to callback for whistling noise from recently installed AC system. Upon inspection, discovered inadequate sealing at ductwork connection point where supply plenum meets main trunk line. Removed and reseated insulation at the affected joint, ensuring proper fit and eliminating air gaps causing the audible whistle. Tested system operation and confirmed noise was eliminated with unit running at full capacity.
Chicago, IL 60625
Responded to service call for air conditioning unit making unusual noise. Used telescopic extension ladder to access exterior-mounted window AC unit on second floor of residence. Upon inspection, identified source of operational sound concern. Documented condition of unit with photos and inspected return air filter, which showed moderate dust accumulation on pleated media but maintained structural integrity with proper seating in housing. Filter brand documented as Filterbuy with characteristic green border framing.
Responded to service call for air conditioning unit making unusual noise. Used telescopic extension ladder to access exterior-mounted window AC unit on second floor of residence. Upon inspection, identified source of operational sound concern. Documented condition of unit with photos and inspected return air filter, which showed moderate dust accumulation on pleated media but maintained structural integrity with proper seating in housing. Filter brand documented as Filterbuy with characteristic green border framing.
Paul M.
Paul M. Checked in
Responded to service call for air conditioning unit making unusual noise. Used telescopic extension ladder to access exterior-mounted window AC unit on second floor of residence. Upon inspection, identified source of operational sound concern. Documented condition of unit with photos and inspected return air filter, which showed moderate dust accumulation on pleated media but maintained structural integrity with proper seating in housing. Filter brand documented as Filterbuy with characteristic green border framing.
Chicago, IL 60653
Conducted comprehensive evaluation of existing HVAC system for full replacement estimate. Both air conditioning unit and furnace have exceeded 10-year service life and require complete system replacement. Performed detailed inspection and measurements of outdoor condensing unit, documented equipment specifications, and assessed installation requirements. Customer has obtained multiple estimates and confirmed need for dual system replacement. Provided professional recommendations for new heating and cooling equipment installation to restore optimal climate control efficiency.
Conducted comprehensive evaluation of existing HVAC system for full replacement estimate. Both air conditioning unit and furnace have exceeded 10-year service life and require complete system replacement. Performed detailed inspection and measurements of outdoor condensing unit, documented equipment specifications, and assessed installation requirements. Customer has obtained multiple estimates and confirmed need for dual system replacement. Provided professional recommendations for new heating and cooling equipment installation to restore optimal climate control efficiency.
John T.
John T. Checked in
Conducted comprehensive evaluation of existing HVAC system for full replacement estimate. Both air conditioning unit and furnace have exceeded 10-year service life and require complete system replacement. Performed detailed inspection and measurements of outdoor condensing unit, documented equipment specifications, and assessed installation requirements. Customer has obtained multiple estimates and confirmed need for dual system replacement. Provided professional recommendations for new heating and cooling equipment installation to restore optimal climate control efficiency.
Chicago, IL 60618
# HVAC Service Completed

Responded to no cooling call on system less than 10 years old. Upon arrival, found half inch of standing water accumulated under furnace unit in basement. Ecobee thermostat and system had shut down due to safety sensor activation, with sensor displaying both red and green indicator lights.

Investigated condensate drain system and identified blockage causing water backup. Cleared primary drain line obstruction and verified proper drainage flow. Tested condensate safety switch operation and confirmed proper functioning. Restored power to system and verified thermostat communication re-established.

Proceeded to rooftop to inspect two condenser units. Connected Yellow Jacket Titan 4-valve manifold gauges to measure refrigerant pressures and system performance. Evaluated refrigerant charge levels and operating pressures on both condensers. Checked compressor operation, fan motor function, and electrical connections at outdoor units.

Inspected 16x25x1 filter at f
# HVAC Service Completed

Responded to no cooling call on system less than 10 years old. Upon arrival, found half inch of standing water accumulated under furnace unit in basement. Ecobee thermostat and system had shut down due to safety sensor activation, with sensor displaying both red and green indicator lights.

Investigated condensate drain system and identified blockage causing water backup. Cleared primary drain line obstruction and verified proper drainage flow. Tested condensate safety switch operation and confirmed proper functioning. Restored power to system and verified thermostat communication re-established.

Proceeded to rooftop to inspect two condenser units. Connected Yellow Jacket Titan 4-valve manifold gauges to measure refrigerant pressures and system performance. Evaluated refrigerant charge levels and operating pressures on both condensers. Checked compressor operation, fan motor function, and electrical connections at outdoor units.

Inspected 16x25x1 filter at f
Sam A.
Sam A. Checked in
# HVAC Service Completed Responded to no cooling call on system less than 10 years old. Upon arrival, found half inch of standing water accumulated under furnace unit in basement. Ecobee thermostat and system had shut down due to safety sensor activation, with sensor displaying both red and green indicator lights. Investigated condensate drain system and identified blockage causing water backup. Cleared primary drain line obstruction and verified proper drainage flow. Tested condensate safety switch operation and confirmed proper functioning. Restored power to system and verified thermostat communication re-established. Proceeded to rooftop to inspect two condenser units. Connected Yellow Jacket Titan 4-valve manifold gauges to measure refrigerant pressures and system performance. Evaluated refrigerant charge levels and operating pressures on both condensers. Checked compressor operation, fan motor function, and electrical connections at outdoor units. Inspected 16x25x1 filter at f
Chicago, IL 60614
Chicago, IL - Responded to service call for leaking toilet in residential bathroom. Upon inspection, removed tank lid and diagnosed faulty internal flush mechanism components causing water leak. Replaced defective float valve assembly and associated plumbing components within tank, tested system for proper operation and verified leak was resolved with no further water seepage detected.
Bashar D.
Bashar D. Checked in
Responded to service call for leaking toilet in residential bathroom. Upon inspection, removed tank lid and diagnosed faulty internal flush mechanism components causing water leak. Replaced defective float valve assembly and associated plumbing components within tank, tested system for proper operation and verified leak was resolved with no further water seepage detected.
Chicago, IL 60625
Completed full HVAC system replacement including furnace, condenser unit, evaporator coil, and thermostat upgrade to new Ecobee smart thermostat. Installed new electrical disconnect with whip, condensate pump with wet switches for proper drainage management, and whole-home surge protector for equipment protection. Removed existing non-functional humidifier from system, confirmed all ductwork connections, and verified proper refrigerant charge and airflow throughout the system. All equipment tested and operating within manufacturer specifications upon completion.
Completed full HVAC system replacement including furnace, condenser unit, evaporator coil, and thermostat upgrade to new Ecobee smart thermostat. Installed new electrical disconnect with whip, condensate pump with wet switches for proper drainage management, and whole-home surge protector for equipment protection. Removed existing non-functional humidifier from system, confirmed all ductwork connections, and verified proper refrigerant charge and airflow throughout the system. All equipment tested and operating within manufacturer specifications upon completion.
Anthony H.
Anthony H. Checked in
Completed full HVAC system replacement including furnace, condenser unit, evaporator coil, and thermostat upgrade to new Ecobee smart thermostat. Installed new electrical disconnect with whip, condensate pump with wet switches for proper drainage management, and whole-home surge protector for equipment protection. Removed existing non-functional humidifier from system, confirmed all ductwork connections, and verified proper refrigerant charge and airflow throughout the system. All equipment tested and operating within manufacturer specifications upon completion.
Chicago, IL 60656
Performed preventative maintenance on condenser unit per agreement terms. Utilized digital clamp meter to measure electrical parameters including voltage readings of 734V and 1139V at disconnect, followed by amperage readings of 6.45A and 0.060A on system wiring. Inspected outdoor condenser unit, verified proper electrical connections, and confirmed system operating within normal parameters. All measurements recorded for service documentation.
Performed preventative maintenance on condenser unit per agreement terms. Utilized digital clamp meter to measure electrical parameters including voltage readings of 734V and 1139V at disconnect, followed by amperage readings of 6.45A and 0.060A on system wiring. Inspected outdoor condenser unit, verified proper electrical connections, and confirmed system operating within normal parameters. All measurements recorded for service documentation.
Giovanni M.
Giovanni M. Checked in
Performed preventative maintenance on condenser unit per agreement terms. Utilized digital clamp meter to measure electrical parameters including voltage readings of 734V and 1139V at disconnect, followed by amperage readings of 6.45A and 0.060A on system wiring. Inspected outdoor condenser unit, verified proper electrical connections, and confirmed system operating within normal parameters. All measurements recorded for service documentation.
Chicago, IL 60613
Responded to service call for kitchen sink drainage issue and secondary plumbing concern. Upon arrival, inspected commercial-style stainless steel double-basin sink installation with pull-down faucet. Accessed under-sink plumbing through cabinet doors to assess drainage system configuration. Observed P-trap assembly with chrome-plated drain pipes, garbage disposal unit on left basin, and water filtration system installed in cabinet space. Rodded out main drain line to clear obstruction causing slow drainage. Verified proper flow through both basins and confirmed P-trap connections were secure with no active leaks. Inspected secondary plumbing components including filtration cartridge and disposal unit connections. All drainage systems tested and functioning properly upon completion.
Responded to service call for kitchen sink drainage issue and secondary plumbing concern. Upon arrival, inspected commercial-style stainless steel double-basin sink installation with pull-down faucet. Accessed under-sink plumbing through cabinet doors to assess drainage system configuration. Observed P-trap assembly with chrome-plated drain pipes, garbage disposal unit on left basin, and water filtration system installed in cabinet space. Rodded out main drain line to clear obstruction causing slow drainage. Verified proper flow through both basins and confirmed P-trap connections were secure with no active leaks. Inspected secondary plumbing components including filtration cartridge and disposal unit connections. All drainage systems tested and functioning properly upon completion.
Justin P.
Justin P. Checked in
Responded to service call for kitchen sink drainage issue and secondary plumbing concern. Upon arrival, inspected commercial-style stainless steel double-basin sink installation with pull-down faucet. Accessed under-sink plumbing through cabinet doors to assess drainage system configuration. Observed P-trap assembly with chrome-plated drain pipes, garbage disposal unit on left basin, and water filtration system installed in cabinet space. Rodded out main drain line to clear obstruction causing slow drainage. Verified proper flow through both basins and confirmed P-trap connections were secure with no active leaks. Inspected secondary plumbing components including filtration cartridge and disposal unit connections. All drainage systems tested and functioning properly upon completion.
Chicago, IL 60610
Completed HVAC maintenance agreement service on residential split system. Performed condenser coil cleaning on outdoor unit and replaced 16x25x1 air filter. Conducted comprehensive system diagnostics using digital manifold gauges, confirming R-410A refrigerant charge within manufacturer specifications with suction pressure at 124.0 psig, liquid line pressure at 305.5 psig, superheat reading of 2.1°F, and subcooling at 17.4°F. System operating efficiently with all parameters normal.
Completed HVAC maintenance agreement service on residential split system. Performed condenser coil cleaning on outdoor unit and replaced 16x25x1 air filter. Conducted comprehensive system diagnostics using digital manifold gauges, confirming R-410A refrigerant charge within manufacturer specifications with suction pressure at 124.0 psig, liquid line pressure at 305.5 psig, superheat reading of 2.1°F, and subcooling at 17.4°F. System operating efficiently with all parameters normal.
Charlie B.
Charlie B. Checked in
Completed HVAC maintenance agreement service on residential split system. Performed condenser coil cleaning on outdoor unit and replaced 16x25x1 air filter. Conducted comprehensive system diagnostics using digital manifold gauges, confirming R-410A refrigerant charge within manufacturer specifications with suction pressure at 124.0 psig, liquid line pressure at 305.5 psig, superheat reading of 2.1°F, and subcooling at 17.4°F. System operating efficiently with all parameters normal.
Chicago, IL 60646
Completed full replacement of existing mini-split system with new Quilt brand ductless heat pump unit. Installed indoor wall-mounted evaporator unit in interior room near ceiling corner and positioned outdoor condenser unit on tiled patio area alongside existing HVAC equipment. Ran refrigerant lines between indoor and outdoor components, established proper electrical connections at exterior meter location, tested system operation, and verified cooling performance meets manufacturer specifications.
Completed full replacement of existing mini-split system with new Quilt brand ductless heat pump unit. Installed indoor wall-mounted evaporator unit in interior room near ceiling corner and positioned outdoor condenser unit on tiled patio area alongside existing HVAC equipment. Ran refrigerant lines between indoor and outdoor components, established proper electrical connections at exterior meter location, tested system operation, and verified cooling performance meets manufacturer specifications.
Juan G.
Juan G. Checked in
Completed full replacement of existing mini-split system with new Quilt brand ductless heat pump unit. Installed indoor wall-mounted evaporator unit in interior room near ceiling corner and positioned outdoor condenser unit on tiled patio area alongside existing HVAC equipment. Ran refrigerant lines between indoor and outdoor components, established proper electrical connections at exterior meter location, tested system operation, and verified cooling performance meets manufacturer specifications.
Chicago, IL 60613
Completed comprehensive maintenance agreement inspection on residential HVAC system consisting of one air conditioning unit and one furnace located in attic space. Performed standard cleaning and maintenance procedures, including inspection and cleaning of condensate drain pan which showed significant mineral buildup and algae growth requiring attention. Conducted electrical diagnostics using clamp meter to verify proper amperage draw on blower motor circuit, recording 6.36 amps within normal operating parameters, confirming system is functioning efficiently and safely.
Completed comprehensive maintenance agreement inspection on residential HVAC system consisting of one air conditioning unit and one furnace located in attic space. Performed standard cleaning and maintenance procedures, including inspection and cleaning of condensate drain pan which showed significant mineral buildup and algae growth requiring attention. Conducted electrical diagnostics using clamp meter to verify proper amperage draw on blower motor circuit, recording 6.36 amps within normal operating parameters, confirming system is functioning efficiently and safely.
Matt B.
Matt B. Checked in
Completed comprehensive maintenance agreement inspection on residential HVAC system consisting of one air conditioning unit and one furnace located in attic space. Performed standard cleaning and maintenance procedures, including inspection and cleaning of condensate drain pan which showed significant mineral buildup and algae growth requiring attention. Conducted electrical diagnostics using clamp meter to verify proper amperage draw on blower motor circuit, recording 6.36 amps within normal operating parameters, confirming system is functioning efficiently and safely.
Chicago, IL 60618
Responded to customer concerns regarding persistent moisture on exterior walkways and patio areas. Conducted thorough inspection of property perimeter, focusing on underground plumbing infrastructure and potential sewer line issues. Documented current conditions showing saturated ground surfaces, standing water accumulation in paved areas, and deteriorated subsurface materials consistent with chronic water infiltration. Evidence suggests possible compromised sewer or water line requiring further excavation and diagnostic testing to pinpoint exact source of leak and determine appropriate repair solution.
Responded to customer concerns regarding persistent moisture on exterior walkways and patio areas. Conducted thorough inspection of property perimeter, focusing on underground plumbing infrastructure and potential sewer line issues. Documented current conditions showing saturated ground surfaces, standing water accumulation in paved areas, and deteriorated subsurface materials consistent with chronic water infiltration. Evidence suggests possible compromised sewer or water line requiring further excavation and diagnostic testing to pinpoint exact source of leak and determine appropriate repair solution.
Bashar D.
Bashar D. Checked in
Responded to customer concerns regarding persistent moisture on exterior walkways and patio areas. Conducted thorough inspection of property perimeter, focusing on underground plumbing infrastructure and potential sewer line issues. Documented current conditions showing saturated ground surfaces, standing water accumulation in paved areas, and deteriorated subsurface materials consistent with chronic water infiltration. Evidence suggests possible compromised sewer or water line requiring further excavation and diagnostic testing to pinpoint exact source of leak and determine appropriate repair solution.
Chicago, IL 60634
Replaced existing kitchen faucet with new timeless chrome fixture featuring high-arc spout and pull-down spray head. Installation completed on white marble-patterned countertop with undermount sink, including connection of water supply lines and verification of proper function for both main faucet and side spray attachment.
Replaced existing kitchen faucet with new timeless chrome fixture featuring high-arc spout and pull-down spray head. Installation completed on white marble-patterned countertop with undermount sink, including connection of water supply lines and verification of proper function for both main faucet and side spray attachment.
Bashar D.
Bashar D. Checked in
Replaced existing kitchen faucet with new timeless chrome fixture featuring high-arc spout and pull-down spray head. Installation completed on white marble-patterned countertop with undermount sink, including connection of water supply lines and verification of proper function for both main faucet and side spray attachment.
Chicago, IL 60622
Performed comprehensive evaluation of 12-year-old HVAC system located in confined mechanical room for full system replacement estimate. Documented existing equipment configuration including air handler, ductwork, and associated plumbing components in cramped utility space. Assessed accessibility for replacement work, noting no ladder required for installation. Took measurements of available clearances and existing equipment footprint to determine proper sizing for new system. Provided detailed analysis comparing repair costs versus full system replacement options given age and condition of current equipment.
Performed comprehensive evaluation of 12-year-old HVAC system located in confined mechanical room for full system replacement estimate. Documented existing equipment configuration including air handler, ductwork, and associated plumbing components in cramped utility space. Assessed accessibility for replacement work, noting no ladder required for installation. Took measurements of available clearances and existing equipment footprint to determine proper sizing for new system. Provided detailed analysis comparing repair costs versus full system replacement options given age and condition of current equipment.
Tyler B.
Tyler B. Checked in
Performed comprehensive evaluation of 12-year-old HVAC system located in confined mechanical room for full system replacement estimate. Documented existing equipment configuration including air handler, ductwork, and associated plumbing components in cramped utility space. Assessed accessibility for replacement work, noting no ladder required for installation. Took measurements of available clearances and existing equipment footprint to determine proper sizing for new system. Provided detailed analysis comparing repair costs versus full system replacement options given age and condition of current equipment.
Chicago, IL 60610
Completed HVAC system replacement for a 23-year-old air conditioning unit that had experienced multiple repair issues, making replacement more cost-effective than continued service. Installed new Lennox furnace and air handler system in interior mechanical room with proper gas line connections, ductwork integration, and ventilation components. Documented existing rooftop AC unit condition and new indoor equipment installation with photographs showing completed work including galvanized ductwork, thermal insulation, and all necessary safety connections per manufacturer specifications.
Completed HVAC system replacement for a 23-year-old air conditioning unit that had experienced multiple repair issues, making replacement more cost-effective than continued service. Installed new Lennox furnace and air handler system in interior mechanical room with proper gas line connections, ductwork integration, and ventilation components. Documented existing rooftop AC unit condition and new indoor equipment installation with photographs showing completed work including galvanized ductwork, thermal insulation, and all necessary safety connections per manufacturer specifications.
Michael C.
Michael C. Checked in
Completed HVAC system replacement for a 23-year-old air conditioning unit that had experienced multiple repair issues, making replacement more cost-effective than continued service. Installed new Lennox furnace and air handler system in interior mechanical room with proper gas line connections, ductwork integration, and ventilation components. Documented existing rooftop AC unit condition and new indoor equipment installation with photographs showing completed work including galvanized ductwork, thermal insulation, and all necessary safety connections per manufacturer specifications.
Chicago, IL 60642
Completed comprehensive maintenance inspection on two boiler units as part of scheduled maintenance agreement. Performed thorough visual inspection of gas valve assemblies, electrical connections, and internal components. Documented heavy dust and debris accumulation throughout equipment compartments, indicating need for future cleaning during next service interval. Verified proper wiring connections on capacitors and gas valve controls, checked all safety labels for visibility, and confirmed operational readiness of both units. All components found to be functioning within normal parameters at time of inspection.
Completed comprehensive maintenance inspection on two boiler units as part of scheduled maintenance agreement. Performed thorough visual inspection of gas valve assemblies, electrical connections, and internal components. Documented heavy dust and debris accumulation throughout equipment compartments, indicating need for future cleaning during next service interval. Verified proper wiring connections on capacitors and gas valve controls, checked all safety labels for visibility, and confirmed operational readiness of both units. All components found to be functioning within normal parameters at time of inspection.
Jay L.
Jay L. Checked in
Completed comprehensive maintenance inspection on two boiler units as part of scheduled maintenance agreement. Performed thorough visual inspection of gas valve assemblies, electrical connections, and internal components. Documented heavy dust and debris accumulation throughout equipment compartments, indicating need for future cleaning during next service interval. Verified proper wiring connections on capacitors and gas valve controls, checked all safety labels for visibility, and confirmed operational readiness of both units. All components found to be functioning within normal parameters at time of inspection.
Chicago, IL 60625
Performed routine AC tune-up maintenance on three 7-year-old HVAC units in high-rise condo. All systems operating properly with no reported issues. Inspected and replaced air filters on all three units as part of standard preventive maintenance protocol.
Performed routine AC tune-up maintenance on three 7-year-old HVAC units in high-rise condo. All systems operating properly with no reported issues. Inspected and replaced air filters on all three units as part of standard preventive maintenance protocol.
Izzy G.
Izzy G. Checked in
Performed routine AC tune-up maintenance on three 7-year-old HVAC units in high-rise condo. All systems operating properly with no reported issues. Inspected and replaced air filters on all three units as part of standard preventive maintenance protocol.
Chicago, IL 60611
# HVAC Service Report - No Cool Condition

## System Information
Carrier furnace/HVAC system located in basement utility closet, less than 10 years old.

## Problem Reported
System displaying fault malfunction code 24, no cooling operation.

## Diagnostic Findings
Upon arrival, confirmed system was displaying error code 24 on control board. Inspected Carrier unit and associated components in basement mechanical room. Visual inspection revealed blown fuse on main control board. Examined circuit board wiring connections and identified compromised fuse in purple automotive-style holder with multiple wire terminations using push-in connectors.

## Work Performed
- Verified system malfunction code 24 on control board
- Performed visual inspection of furnace and air handler components
- Identified blown fuse on electronic control board
- Replaced defective fuse in circuit board fuse holder
- Verified proper wire connections at control board terminal points
- Tested system operation following
# HVAC Service Report - No Cool Condition

## System Information
Carrier furnace/HVAC system located in basement utility closet, less than 10 years old.

## Problem Reported
System displaying fault malfunction code 24, no cooling operation.

## Diagnostic Findings
Upon arrival, confirmed system was displaying error code 24 on control board. Inspected Carrier unit and associated components in basement mechanical room. Visual inspection revealed blown fuse on main control board. Examined circuit board wiring connections and identified compromised fuse in purple automotive-style holder with multiple wire terminations using push-in connectors.

## Work Performed
- Verified system malfunction code 24 on control board
- Performed visual inspection of furnace and air handler components
- Identified blown fuse on electronic control board
- Replaced defective fuse in circuit board fuse holder
- Verified proper wire connections at control board terminal points
- Tested system operation following
Gregory Z.
Gregory Z. Checked in
# HVAC Service Report - No Cool Condition ## System Information Carrier furnace/HVAC system located in basement utility closet, less than 10 years old. ## Problem Reported System displaying fault malfunction code 24, no cooling operation. ## Diagnostic Findings Upon arrival, confirmed system was displaying error code 24 on control board. Inspected Carrier unit and associated components in basement mechanical room. Visual inspection revealed blown fuse on main control board. Examined circuit board wiring connections and identified compromised fuse in purple automotive-style holder with multiple wire terminations using push-in connectors. ## Work Performed - Verified system malfunction code 24 on control board - Performed visual inspection of furnace and air handler components - Identified blown fuse on electronic control board - Replaced defective fuse in circuit board fuse holder - Verified proper wire connections at control board terminal points - Tested system operation following
Chicago, IL 60614
Completed comprehensive maintenance agreement inspection on two furnace systems, two humidifiers, and one water heater. Performed diagnostic testing and measurements on both HVAC units, verified proper operation of all components, and replaced air filters with 16x25x1 media. Installed #10 gauge wire for COTW (Customer Owned Thermostat Wire) connection. All systems tested and operating within manufacturer specifications.
Completed comprehensive maintenance agreement inspection on two furnace systems, two humidifiers, and one water heater. Performed diagnostic testing and measurements on both HVAC units, verified proper operation of all components, and replaced air filters with 16x25x1 media. Installed #10 gauge wire for COTW (Customer Owned Thermostat Wire) connection. All systems tested and operating within manufacturer specifications.
Drew W.
Drew W. Checked in
Completed comprehensive maintenance agreement inspection on two furnace systems, two humidifiers, and one water heater. Performed diagnostic testing and measurements on both HVAC units, verified proper operation of all components, and replaced air filters with 16x25x1 media. Installed #10 gauge wire for COTW (Customer Owned Thermostat Wire) connection. All systems tested and operating within manufacturer specifications.
Chicago, IL 60645
Completed routine HVAC maintenance agreement service including inspection of condenser unit, air handler components, and associated mechanical systems. Performed filter inspection and replacement, verified proper operation of heating equipment, water heater connections, and refrigerant lines, and documented system conditions through photographic records to ensure all components met manufacturer specifications and safety standards.
Completed routine HVAC maintenance agreement service including inspection of condenser unit, air handler components, and associated mechanical systems. Performed filter inspection and replacement, verified proper operation of heating equipment, water heater connections, and refrigerant lines, and documented system conditions through photographic records to ensure all components met manufacturer specifications and safety standards.
Angel G.
Angel G. Checked in
Completed routine HVAC maintenance agreement service including inspection of condenser unit, air handler components, and associated mechanical systems. Performed filter inspection and replacement, verified proper operation of heating equipment, water heater connections, and refrigerant lines, and documented system conditions through photographic records to ensure all components met manufacturer specifications and safety standards.
Chicago, IL 60614

Client Testimonials

Read the opinions of our satisfied customers.

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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