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HVAC Services for Heating and Cooling – Oak Park, IL

Any time your air conditioner or heater stops working, life is interrupted. Not only is it uncomfortable to be too hot or too cold in your home, but it can also be dangerous. It’s important to have someone you know you can trust to promptly repair your HVAC in Oak Park, IL.

Deljo Heating and Cooling has been servicing the greater Chicago area for over a decade and has earned the trust of countless homeowners. We are proud of the reputation we have built, and we intend to continue the service we are known for.

HVAC Services in Oak Park, IL

HVAC Maintenance Services

Regular maintenance of your heating and cooling system is essential for continued efficiency and longevity. We recommend biannual service during spring and fall to ensure your HVAC system will work reliably throughout extreme high and low temperatures. Our HVAC technicians will inspect, test, and clean your system, replacing worn parts. We will make sure everything is working efficiently before leaving your home.

HVAC Repair Services

Whether you need AC repair, furnace repair, or anything in between, our technicians have the experience and knowledge to diagnose and repair any heating or cooling system. We arrive promptly for your appointment, remain professional and respectful of your time and home, and fully address all questions and concerns you may have.

If for some reason part of your HVAC system is beyond repair, we will discuss your needs and together decide how to proceed.

HVAC system repair in Oak Park, IL

Air Conditioning and Furnace Installation

Dejo Heating and Cooling can install any type of boiler, furnace, heat pump, AC unit, or dual system you may need. If you are ready to upgrade but are unsure what system is best for your home, we would be happy to discuss your needs and budget and make a professional recommendation you feel confident with.

Our team works quickly to ensure your timely return to comfort. Our goal is your satisfaction, and we take that very seriously.

HVAC Services in Oak Park, IL

During the century Deljo Heating and Cooling has served the greater Chicago area, we have developed a high standard of excellence that’s promised to every customer, every time we visit.

We truly care about our neighbors, and we want you to be comfortable and safe in your home. That’s why we also offer emergency repair service, no matter what time of day or night. Experience the Deljo Difference yourself, and rely on us for all your HVAC service needs.

Recent Jobs and Reviews in Oak Park, IL

Job Locations and Reviews

Completed HVAC maintenance agreement service call with arrival notification thirty minutes prior due to sleeping toddler in home. Performed comprehensive system inspection revealing significant condensate drainage issues with standing water in mechanical room and visible algae growth in drain pan. Documented internal equipment conditions including circuit board connections, wiring harness integrity, and condensate management components. System components photographed for maintenance records showing water intrusion requiring immediate attention to prevent further damage and maintain proper system operation.
Completed HVAC maintenance agreement service call with arrival notification thirty minutes prior due to sleeping toddler in home. Performed comprehensive system inspection revealing significant condensate drainage issues with standing water in mechanical room and visible algae growth in drain pan. Documented internal equipment conditions including circuit board connections, wiring harness integrity, and condensate management components. System components photographed for maintenance records showing water intrusion requiring immediate attention to prevent further damage and maintain proper system operation.
Joe A.
Joe A. Checked in
Completed HVAC maintenance agreement service call with arrival notification thirty minutes prior due to sleeping toddler in home. Performed comprehensive system inspection revealing significant condensate drainage issues with standing water in mechanical room and visible algae growth in drain pan. Documented internal equipment conditions including circuit board connections, wiring harness integrity, and condensate management components. System components photographed for maintenance records showing water intrusion requiring immediate attention to prevent further damage and maintain proper system operation.
Oak Park, IL 60302
Provided comprehensive estimate for complete air conditioning system replacement of twenty-year-old unit. Evaluated existing outdoor condenser unit showing significant age-related wear and assessed attic-mounted air handler with associated ductwork system. Documented current system configuration including exterior condenser placement on concrete pad adjacent to building structure and interior HVAC components installed in attic space with flexible metallic ductwork distribution network.
Provided comprehensive estimate for complete air conditioning system replacement of twenty-year-old unit. Evaluated existing outdoor condenser unit showing significant age-related wear and assessed attic-mounted air handler with associated ductwork system. Documented current system configuration including exterior condenser placement on concrete pad adjacent to building structure and interior HVAC components installed in attic space with flexible metallic ductwork distribution network.
Tyler B.
Tyler B. Checked in
Provided comprehensive estimate for complete air conditioning system replacement of twenty-year-old unit. Evaluated existing outdoor condenser unit showing significant age-related wear and assessed attic-mounted air handler with associated ductwork system. Documented current system configuration including exterior condenser placement on concrete pad adjacent to building structure and interior HVAC components installed in attic space with flexible metallic ductwork distribution network.
Oak Park, IL 60302
Completed preventative maintenance agreement service on HVAC system including two Carrier condensing units and air filtration system. Performed comprehensive cleaning and inspection of both outdoor condenser units, model ZPVP30621A1AAAAA utilizing R-410A refrigerant. Inspected 16x25x4 pleated air filter showing moderate dust accumulation; customer notified that filter replacement is not included in agreement service. All equipment operating within normal parameters, manufacturer labels and safety warnings verified intact and legible. System documentation photographed for service records.
Completed preventative maintenance agreement service on HVAC system including two Carrier condensing units and air filtration system. Performed comprehensive cleaning and inspection of both outdoor condenser units, model ZPVP30621A1AAAAA utilizing R-410A refrigerant. Inspected 16x25x4 pleated air filter showing moderate dust accumulation; customer notified that filter replacement is not included in agreement service. All equipment operating within normal parameters, manufacturer labels and safety warnings verified intact and legible. System documentation photographed for service records.
Alan M.
Alan M. Checked in
Completed preventative maintenance agreement service on HVAC system including two Carrier condensing units and air filtration system. Performed comprehensive cleaning and inspection of both outdoor condenser units, model ZPVP30621A1AAAAA utilizing R-410A refrigerant. Inspected 16x25x4 pleated air filter showing moderate dust accumulation; customer notified that filter replacement is not included in agreement service. All equipment operating within normal parameters, manufacturer labels and safety warnings verified intact and legible. System documentation photographed for service records.
Oak Park, IL 60302
Completed comprehensive maintenance inspection and cleaning on two air conditioning systems and one gas water heater. Performed thorough examination of evaporator coils, blower assemblies, refrigerant lines, and electrical connections on both AC units. Inspected water heater for proper operation, combustion efficiency, and safety controls to ensure all equipment is functioning within manufacturer specifications.
Completed comprehensive maintenance inspection and cleaning on two air conditioning systems and one gas water heater. Performed thorough examination of evaporator coils, blower assemblies, refrigerant lines, and electrical connections on both AC units. Inspected water heater for proper operation, combustion efficiency, and safety controls to ensure all equipment is functioning within manufacturer specifications.
Joe A.
Joe A. Checked in
Completed comprehensive maintenance inspection and cleaning on two air conditioning systems and one gas water heater. Performed thorough examination of evaporator coils, blower assemblies, refrigerant lines, and electrical connections on both AC units. Inspected water heater for proper operation, combustion efficiency, and safety controls to ensure all equipment is functioning within manufacturer specifications.
Oak Park, IL 60302
Responded to no-cooling call on Rheem Classic condenser system. Upon arrival, confirmed upstairs thermostat calling for cooling with indoor blower operational but outdoor condenser unit completely non-responsive. Verified customer had already checked disconnect switch, thermostat settings, and electrical breakers prior to service call. Performed diagnostic evaluation of condensing unit including electrical testing and component inspection to identify failure point preventing compressor and condenser fan operation.
Responded to no-cooling call on Rheem Classic condenser system. Upon arrival, confirmed upstairs thermostat calling for cooling with indoor blower operational but outdoor condenser unit completely non-responsive. Verified customer had already checked disconnect switch, thermostat settings, and electrical breakers prior to service call. Performed diagnostic evaluation of condensing unit including electrical testing and component inspection to identify failure point preventing compressor and condenser fan operation.
Paul M.
Paul M. Checked in
Responded to no-cooling call on Rheem Classic condenser system. Upon arrival, confirmed upstairs thermostat calling for cooling with indoor blower operational but outdoor condenser unit completely non-responsive. Verified customer had already checked disconnect switch, thermostat settings, and electrical breakers prior to service call. Performed diagnostic evaluation of condensing unit including electrical testing and component inspection to identify failure point preventing compressor and condenser fan operation.
Oak Park, IL 60304
Responded to callback for newly installed AC unit not cooling properly. Upon inspection, verified return air grille installation and traced ductwork and condensate drain lines in attic space. Examined PVC condensate piping connections and flexible ductwork routing between joists. System components appeared properly installed with adequate insulation coverage around ductwork. Identified and resolved cooling issue, confirmed unit operating to manufacturer specifications before departure.
Responded to callback for newly installed AC unit not cooling properly. Upon inspection, verified return air grille installation and traced ductwork and condensate drain lines in attic space. Examined PVC condensate piping connections and flexible ductwork routing between joists. System components appeared properly installed with adequate insulation coverage around ductwork. Identified and resolved cooling issue, confirmed unit operating to manufacturer specifications before departure.
Paul M.
Paul M. Checked in
Responded to callback for newly installed AC unit not cooling properly. Upon inspection, verified return air grille installation and traced ductwork and condensate drain lines in attic space. Examined PVC condensate piping connections and flexible ductwork routing between joists. System components appeared properly installed with adequate insulation coverage around ductwork. Identified and resolved cooling issue, confirmed unit operating to manufacturer specifications before departure.
Oak Park, IL 60302
Provided estimate for replacement of existing 3.5 ton American Standard air handler unit located in basement utility room. Current equipment assessed and documented, including existing ductwork connections, condensate drainage system, electrical connections, and installation space constraints within mechanical chase area.
Provided estimate for replacement of existing 3.5 ton American Standard air handler unit located in basement utility room. Current equipment assessed and documented, including existing ductwork connections, condensate drainage system, electrical connections, and installation space constraints within mechanical chase area.
Tyler B.
Tyler B. Checked in
Provided estimate for replacement of existing 3.5 ton American Standard air handler unit located in basement utility room. Current equipment assessed and documented, including existing ductwork connections, condensate drainage system, electrical connections, and installation space constraints within mechanical chase area.
Oak Park, IL 60302
Responded to callback for water dripping from Unico system between sections. Inspected installation and verified proper pitch on equipment using digital level to ensure adequate condensate drainage. Documented system positioning and leveling measurements in attic mechanical space to confirm correction of drainage issue.
Responded to callback for water dripping from Unico system between sections. Inspected installation and verified proper pitch on equipment using digital level to ensure adequate condensate drainage. Documented system positioning and leveling measurements in attic mechanical space to confirm correction of drainage issue.
Juan G.
Juan G. Checked in
Responded to callback for water dripping from Unico system between sections. Inspected installation and verified proper pitch on equipment using digital level to ensure adequate condensate drainage. Documented system positioning and leveling measurements in attic mechanical space to confirm correction of drainage issue.
Oak Park, IL 60302
Responded to service call for sewer smell in basement. Upon inspection, identified dry floor drain trap as source of odor, allowing sewer gases to enter living space. Poured water into floor drain to refill P-trap and restore proper seal. Inspected surrounding plumbing fixtures including water heater connections and sump pump system for additional issues. Verified proper operation of sump pump discharge line and checked for any signs of sewage backup or drainage problems. All systems functioning properly after trap refill, eliminating odor issue.
Responded to service call for sewer smell in basement. Upon inspection, identified dry floor drain trap as source of odor, allowing sewer gases to enter living space. Poured water into floor drain to refill P-trap and restore proper seal. Inspected surrounding plumbing fixtures including water heater connections and sump pump system for additional issues. Verified proper operation of sump pump discharge line and checked for any signs of sewage backup or drainage problems. All systems functioning properly after trap refill, eliminating odor issue.
Jorge D.
Jorge D. Checked in
Responded to service call for sewer smell in basement. Upon inspection, identified dry floor drain trap as source of odor, allowing sewer gases to enter living space. Poured water into floor drain to refill P-trap and restore proper seal. Inspected surrounding plumbing fixtures including water heater connections and sump pump system for additional issues. Verified proper operation of sump pump discharge line and checked for any signs of sewage backup or drainage problems. All systems functioning properly after trap refill, eliminating odor issue.
Oak Park, IL 60302
# HVAC System Replacement Estimate

Evaluated two 2012 cylindrical air conditioning condenser units experiencing refrigerant leaks following improper refrigerant addition by another service provider. Both outdoor units showed signs of age and deterioration, positioned on weathered concrete pad in confined outdoor utility area. Indoor furnace system inspection revealed equipment housed in utility closet with visible floor staining and discoloration indicating potential historical leak issues. Provided comprehensive replacement estimate comparing repair costs versus full system replacement options for dual AC configuration with existing furnace infrastructure.
# HVAC System Replacement Estimate

Evaluated two 2012 cylindrical air conditioning condenser units experiencing refrigerant leaks following improper refrigerant addition by another service provider. Both outdoor units showed signs of age and deterioration, positioned on weathered concrete pad in confined outdoor utility area. Indoor furnace system inspection revealed equipment housed in utility closet with visible floor staining and discoloration indicating potential historical leak issues. Provided comprehensive replacement estimate comparing repair costs versus full system replacement options for dual AC configuration with existing furnace infrastructure.
Michael C.
Michael C. Checked in
# HVAC System Replacement Estimate Evaluated two 2012 cylindrical air conditioning condenser units experiencing refrigerant leaks following improper refrigerant addition by another service provider. Both outdoor units showed signs of age and deterioration, positioned on weathered concrete pad in confined outdoor utility area. Indoor furnace system inspection revealed equipment housed in utility closet with visible floor staining and discoloration indicating potential historical leak issues. Provided comprehensive replacement estimate comparing repair costs versus full system replacement options for dual AC configuration with existing furnace infrastructure.
Oak Park, IL 60302
Responded to no cooling call for two Space Pak AC systems. Accessed attic-mounted air handlers via ladder and inspected both units. Found significant corrosion and rust on evaporator coil assemblies, particularly in drain pan areas and lower frame sections. Copper refrigerant tubes showed extensive oxidation and patina buildup. Inspected control boards and electrical panels, verified wiring connections and terminal blocks were secure. Checked LCD display readings on circuit boards. Documented condition of heat exchanger coils showing age-related deterioration with mineral deposits and white residue buildup from condensation. Photographed affected components including finned coil surfaces, U-bend copper tubing, and electrical control systems for service records.
Responded to no cooling call for two Space Pak AC systems. Accessed attic-mounted air handlers via ladder and inspected both units. Found significant corrosion and rust on evaporator coil assemblies, particularly in drain pan areas and lower frame sections. Copper refrigerant tubes showed extensive oxidation and patina buildup. Inspected control boards and electrical panels, verified wiring connections and terminal blocks were secure. Checked LCD display readings on circuit boards. Documented condition of heat exchanger coils showing age-related deterioration with mineral deposits and white residue buildup from condensation. Photographed affected components including finned coil surfaces, U-bend copper tubing, and electrical control systems for service records.
Jonathan M.
Jonathan M. Checked in
Responded to no cooling call for two Space Pak AC systems. Accessed attic-mounted air handlers via ladder and inspected both units. Found significant corrosion and rust on evaporator coil assemblies, particularly in drain pan areas and lower frame sections. Copper refrigerant tubes showed extensive oxidation and patina buildup. Inspected control boards and electrical panels, verified wiring connections and terminal blocks were secure. Checked LCD display readings on circuit boards. Documented condition of heat exchanger coils showing age-related deterioration with mineral deposits and white residue buildup from condensation. Photographed affected components including finned coil surfaces, U-bend copper tubing, and electrical control systems for service records.
Oak Park, IL 60302
Oak Park, IL - Responded to service call for two radiators remaining warm despite heating system being turned off, a recurring issue previously addressed. Verified all three thermostats were properly set to no heat mode and inspected the hydronic heating system including boiler unit, circulator pump, zone valves, and piping connections to identify potential causes of unwanted heat transfer.
Gabe G.
Gabe G. Checked in
Responded to service call for two radiators remaining warm despite heating system being turned off, a recurring issue previously addressed. Verified all three thermostats were properly set to no heat mode and inspected the hydronic heating system including boiler unit, circulator pump, zone valves, and piping connections to identify potential causes of unwanted heat transfer.
Oak Park, IL 60304
Completed preventive maintenance agreement service on central air conditioning system and Unico air handler. Inspected squirrel cage blower assembly, noting dust and debris accumulation on blades and housing, which is typical of normal operation. Replaced air filter with new pleated media filter to maintain proper airflow and system efficiency.
Completed preventive maintenance agreement service on central air conditioning system and Unico air handler. Inspected squirrel cage blower assembly, noting dust and debris accumulation on blades and housing, which is typical of normal operation. Replaced air filter with new pleated media filter to maintain proper airflow and system efficiency.
Joe A.
Joe A. Checked in
Completed preventive maintenance agreement service on central air conditioning system and Unico air handler. Inspected squirrel cage blower assembly, noting dust and debris accumulation on blades and housing, which is typical of normal operation. Replaced air filter with new pleated media filter to maintain proper airflow and system efficiency.
Oak Park, IL 60302
Performed preventive maintenance inspection on multi-condenser HVAC system under agreement terms. Inspected blower wheel assembly, verified proper operation and cleanliness of centrifugal fan components, and documented normal condition of evaporator coil with expected condensation present during cooling operation. Temperature measurements confirmed system operating within manufacturer specifications.
Performed preventive maintenance inspection on multi-condenser HVAC system under agreement terms. Inspected blower wheel assembly, verified proper operation and cleanliness of centrifugal fan components, and documented normal condition of evaporator coil with expected condensation present during cooling operation. Temperature measurements confirmed system operating within manufacturer specifications.
Paul M.
Paul M. Checked in
Performed preventive maintenance inspection on multi-condenser HVAC system under agreement terms. Inspected blower wheel assembly, verified proper operation and cleanliness of centrifugal fan components, and documented normal condition of evaporator coil with expected condensation present during cooling operation. Temperature measurements confirmed system operating within manufacturer specifications.
Oak Park, IL 60302
Completed preventive maintenance agreement service on dual condenser system. Inspected air handler unit in attic space with spray foam insulation, verified proper operation and documented equipment condition. Confirmed thermostat functionality on Honeywell ProSeries unit displaying proper cooling mode and fan settings.
Completed preventive maintenance agreement service on dual condenser system. Inspected air handler unit in attic space with spray foam insulation, verified proper operation and documented equipment condition. Confirmed thermostat functionality on Honeywell ProSeries unit displaying proper cooling mode and fan settings.
Ernesto G.
Ernesto G. Checked in
Completed preventive maintenance agreement service on dual condenser system. Inspected air handler unit in attic space with spray foam insulation, verified proper operation and documented equipment condition. Confirmed thermostat functionality on Honeywell ProSeries unit displaying proper cooling mode and fan settings.
Oak Park, IL 60302
Completed comprehensive maintenance agreement inspection on 6-year-old air conditioning unit and 4-year-old furnace. Performed thorough system evaluation including visual inspection of equipment components, verified operational status of control boards and safety devices, and documented equipment condition with photographic records. All systems found operating within normal parameters with no immediate service needs identified.
Completed comprehensive maintenance agreement inspection on 6-year-old air conditioning unit and 4-year-old furnace. Performed thorough system evaluation including visual inspection of equipment components, verified operational status of control boards and safety devices, and documented equipment condition with photographic records. All systems found operating within normal parameters with no immediate service needs identified.
Jay L.
Jay L. Checked in
Completed comprehensive maintenance agreement inspection on 6-year-old air conditioning unit and 4-year-old furnace. Performed thorough system evaluation including visual inspection of equipment components, verified operational status of control boards and safety devices, and documented equipment condition with photographic records. All systems found operating within normal parameters with no immediate service needs identified.
Oak Park, IL 60302
Completed preventive maintenance on condenser unit and replaced 20x25x1 air filter per maintenance agreement terms. Inspected water heater, plumbing connections, and associated mechanical equipment in utility room, documenting existing conditions including aged water meters with visible corrosion on metal components and PVC piping connections. All systems operational upon completion of service visit.
Completed preventive maintenance on condenser unit and replaced 20x25x1 air filter per maintenance agreement terms. Inspected water heater, plumbing connections, and associated mechanical equipment in utility room, documenting existing conditions including aged water meters with visible corrosion on metal components and PVC piping connections. All systems operational upon completion of service visit.
Jay L.
Jay L. Checked in
Completed preventive maintenance on condenser unit and replaced 20x25x1 air filter per maintenance agreement terms. Inspected water heater, plumbing connections, and associated mechanical equipment in utility room, documenting existing conditions including aged water meters with visible corrosion on metal components and PVC piping connections. All systems operational upon completion of service visit.
Oak Park, IL 60302
Responded to warranty recall for exposed wire concern on 2024 AC system. Upon inspection, located and assessed exposed wiring at ceiling-mounted fixture using detection equipment. Examined exterior refrigerant line set and electrical conduit routing along building exterior to verify proper installation and identify any additional exposed conductors. Secured and protected all exposed wiring per code requirements to ensure safe operation and system integrity.
Responded to warranty recall for exposed wire concern on 2024 AC system. Upon inspection, located and assessed exposed wiring at ceiling-mounted fixture using detection equipment. Examined exterior refrigerant line set and electrical conduit routing along building exterior to verify proper installation and identify any additional exposed conductors. Secured and protected all exposed wiring per code requirements to ensure safe operation and system integrity.
Izzy G.
Izzy G. Checked in
Responded to warranty recall for exposed wire concern on 2024 AC system. Upon inspection, located and assessed exposed wiring at ceiling-mounted fixture using detection equipment. Examined exterior refrigerant line set and electrical conduit routing along building exterior to verify proper installation and identify any additional exposed conductors. Secured and protected all exposed wiring per code requirements to ensure safe operation and system integrity.
Oak Park, IL 60302
Returned to site to complete warranty repair on Unico air handler control system. Successfully installed replacement circuit board in the air handler unit, connecting all necessary wiring including power leads, control wires, and sensor connections to appropriate terminals. Removed failed control board from equipment and properly documented the defective component for warranty processing. Verified all electrical connections were secure and system wiring was correctly terminated to the new board. Tested air handler operation to confirm proper functionality following board replacement.
Returned to site to complete warranty repair on Unico air handler control system. Successfully installed replacement circuit board in the air handler unit, connecting all necessary wiring including power leads, control wires, and sensor connections to appropriate terminals. Removed failed control board from equipment and properly documented the defective component for warranty processing. Verified all electrical connections were secure and system wiring was correctly terminated to the new board. Tested air handler operation to confirm proper functionality following board replacement.
Gregory Z.
Gregory Z. Checked in
Returned to site to complete warranty repair on Unico air handler control system. Successfully installed replacement circuit board in the air handler unit, connecting all necessary wiring including power leads, control wires, and sensor connections to appropriate terminals. Removed failed control board from equipment and properly documented the defective component for warranty processing. Verified all electrical connections were secure and system wiring was correctly terminated to the new board. Tested air handler operation to confirm proper functionality following board replacement.
Oak Park, IL 60302
Conducted on-site evaluation for residential two-flat HVAC system replacement. Assessed existing 12-year-old air conditioning unit and documented current thermostat configuration showing digital display set to 74 degrees in OFF mode with AUTO fan setting. Performed measurements of window openings and interior spaces to determine equipment access requirements and confirmed no ladder work necessary for installation. Documented site conditions through photographic records to support equipment sizing and replacement specifications for proposal preparation.
Conducted on-site evaluation for residential two-flat HVAC system replacement. Assessed existing 12-year-old air conditioning unit and documented current thermostat configuration showing digital display set to 74 degrees in OFF mode with AUTO fan setting. Performed measurements of window openings and interior spaces to determine equipment access requirements and confirmed no ladder work necessary for installation. Documented site conditions through photographic records to support equipment sizing and replacement specifications for proposal preparation.
Tyler B.
Tyler B. Checked in
Conducted on-site evaluation for residential two-flat HVAC system replacement. Assessed existing 12-year-old air conditioning unit and documented current thermostat configuration showing digital display set to 74 degrees in OFF mode with AUTO fan setting. Performed measurements of window openings and interior spaces to determine equipment access requirements and confirmed no ladder work necessary for installation. Documented site conditions through photographic records to support equipment sizing and replacement specifications for proposal preparation.
Oak Park, IL 60302

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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