4 Best HVAC Companies in O Fallon, IL

• Heritage Heating & Cooling

  4.9

  (193)Check map

  • Address:
  • 97 Betty Ln, O'Fallon, IL 62269

  • Phone:
  • +1 618-649-0056

  • Hours:
  • • MondayOpen 24 hours

  Ms MickiT says, "EXCELLENT SAME DAY SERVICE! Of course, when the first three 85°+ days came in May, our A/C was not "blowing cold"..."View more
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• Home Heating & Cooling

  5.0

  (152)Check map

  • Address:
  • 1450 Frontage Rd, O'Fallon, IL 62269

  • Phone:
  • +1 618-416-0111

  • Hours:
  • • MondayOpen 24 hours

  Nathan R. Parker says, "Had them repair my blower motor as well as install a steam humidifier. Great service and quick. Techs we..."View more
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• Rapid Repair Pro of O'Fallon

  4.9

  (46)Check map

  • Address:
  • 220 E State St #1B, O'Fallon, IL 62269

  • Phone:
  • +1 800-741-6056

  • Hours:
  • • Monday7AM–6PM

  Sara P says, "Second time using Rapid Repair Pro to help finish up a room in my basement. The booking timeline was great and they ..."View more
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• 4

  4

  Midwest HVAC Shop

  No reviewsCheck map

  • Address:
  • 150 W State St, O'Fallon, IL 62269

  • Phone:

  • Hours:
  • • Monday9AM–5PM
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