Business Information
Heating and Air Conditioning - Crystal Lake - Official HVAC

Serving the North and Northwest Chicago Suburbs for over 65 years...
Over the years, we have developed an outstanding reputation for our residential service with home heating and furnaces, cooling and air conditioners, humidifiers, plumbing, duct cleaning, duct sealing, and indoor air quality. Official Heating & Cooling proudly services Crystal Lake, McHenry, Chicago Suburbs. We are a Carrier Factory Authorized Dealer and our HVAC 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.

"Serving you is what we do best!"

Opening Times
Mon 08:00 AM-5:00 PM
Tue 08:00 AM-5:00 PM
Wed 08:00 AM-5:00 PM
Thu 08:00 AM-5:00 PM
Fri 08:00 AM-5:00 PM
Sat
Sun

Payment Methods Accepted

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