
Four Suns Heating & Cooling, Inc.
Four Suns Heating & Cooling, Inc. provides heating, cooling and indoor-air-quality services for homes and businesses in Naperville, Plainfield, Warrenville and Wheaton. Its work includes system installation, repair and maintenance, with options such as ductless mini-splits and geothermal heat pumps, as well as commercial VRF systems.
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Business Highlights
- The company says it is family-owned and operated.
- The company reports over 20 years of experience.
- The company says its technicians are background-checked, drug-tested and continuously trained.
- It says heating-installation warranties cover parts and labor.
Service Area
Aurora, Batavia, Bolingbrook, Downers Grove, Elburn, Geneva, Glen Ellyn, Lisle, Montgomery, Naperville, North Aurora, Oswego, Plainfield, St. Charles, Sugar Grove, Warrenville, Wheaton, Winfield and Woodridge.
Public local listing. Four Suns Heating & Cooling, Inc. is one of 11 HVAC companies ProsGrade lists in Naperville, Illinois.
8 services listed, including Heating installation, Heating maintenance and Heating and furnace repair. Open Monday to Saturday. 262 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Four Suns Heating & Cooling, Inc. compares with the other 10 HVAC companies on ProsGrade in Naperville, using public Google ratings and review counts.
- One of 11 Naperville HVAC companies on ProsGrade.
Services Covered
8 services- Heating installationGas and electric furnaces, heat pumps, ductless mini-splits and radiant heating.
- Heating maintenanceBurner cleaning and adjustment, thermostat calibration and air-filter service.
- Heating and furnace repairFurnaces, heat pumps, boilers and ductless mini-splits; ignition, thermostat and blower-motor issues.
- Furnace installation and replacementCarrier, Trane and Lennox; variable-speed blowers and two-stage heating.
- Cooling system installation, repair and maintenanceHigh-efficiency central air and ductless mini-splits.
- Ductless HVACMini-splits for homes or offices without ductwork; zoned temperature control.
- Commercial HVACHeat pumps, VRF systems, air filtration and ventilation.
- Indoor air qualityHEPA and activated-carbon filters; UV germicidal irradiation.
Reviews
What customers say
Several reviewers praise prompt, professional service; one also says the team explained the problem clearly. One customer says a fan repair was completed after parts arrived and included a thermostat upgrade. Another reports a motor stopped working shortly after its extended one-year warranty expired; the company offered Monday installation help if the customer bought the replacement motor.
Customer Reviews
Cassie “Cassie” Johnson
John Schroeder
Heather Joseph
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Frequently Asked Questions
Does Four Suns offer emergency HVAC service?
It offers round-the-clock emergency service in Naperville and surrounding areas.
How does Four Suns handle a furnace replacement?
A technician assesses the existing furnace and the home's heating needs, then recommends options for the space and budget.
Are financing options available for furnace installation?
Flexible financing options are available for furnace upgrades.










