24 Hour Service
Sales, Service, Installation — All Brands

1-800-350-HVAC (4822)

Thank you for visiting Official Heating and Cooling.

Over the years, we have developed an outstanding reputation for our residential repair service, new equipment installations and design services. We are proud to be a Carrier Factory Authorized Dealer. Our service and installation technicians are factory trained to provide the highest quality of service and they are available 24/7, 365 days a year. We service all brands and stock a huge inventory of parts. Give us a call and see why we say "Serving you is what we do best!"

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Official Heating and Cool Now Offers Hassle Free, No Credit Check Financing!
Carrier's 2015 President's Award

Official Heating & Cooling has been selected to receive Carrier's 2015 President's Award!

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Duct Sealing Stats & Controls
Air Conditioning
Duct Cleaning
Air Cleaners
Humidifiers Water Heaters & Sump Pumps

Official Heating and Cooling Services Northern Illinois and Southeast Wisconsin

Official Heating and Cooling Service Area Map
Carrier Factory Authorized Dealer

Official Heating and Cooling services the following counties in Northern Illinois:

  • Winnebago
  • Boone
  • McHenry
  • Waukegan
  • DeKalb
  • Kane
  • DuPage
  • Cook
  • Kendall
  • Will

Official Heating and Cooling services the following counties in Southeastern Wisconsin:

  • Dane
  • Jefferson
  • Waukesha
  • Milwaukee
  • Rock
  • Walworth
  • Racine
  • Kenosha