Guaranteed Comfort & Energy

1507 Vandalia St
Collinsville IL 62234

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Opening Hours

  • Mon: 12am-12am
  • Tue: 12am-12am
  • Wed: 12am-12am
  • Thu: 12am-12am
  • Fri: 12am-12am
  • Sat: 12am-12am
  • Sun: 12am-12am


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Guaranteed Comfort and Energy is an Illinois Heating, Cooling, Air Conditioning, Geothermal Groundwater Heat Pump, Indoor Air Quality, Duct Sealing, and furnace repair, service, replacement, energy audit, and maintenance company located in Madison County. Guaranteed will send you only the best service technician for your air conditioner repair, gas or propane(LP) furnace, heater repairs and heat pump repairs as well as all air conditioner replacements, heat pump replacements, furnace installations, and air purification in Collinsville, IL. Guaranteed Comfort and Energy is an authorized factory dealer of many brands and services furnace, AC, heat pumps, humidifier, filter, thermostat and water heater brands including Carrier, Lennox, Bryant , Payne, Trane, American Standard, Honeywell, Aprilaire, White Rodgers, Goodman, Janitrol , Rheem , Ruud , Amana, Climate Master, Water Furnace, GeoSystem, Coleman, York, Frigidaire, Gibson, Maytag, Heil, Comfortmaker,, Tempstar, GE, and many more.