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HVAC Repair in Harvard, Illinois

7 businesses offering hvac repair with a Harvard address in McHenry County, IL. Updated 9-22-26.

Business	Phone	Website
Absolute Comfort Heating & CoolingHarvard	(815) 770-3303	—	Report Phone doesn’t work
Air Management Services IncHarvard	(815) 943-4200	airmanagementservices.com	Report Phone doesn’t work Website doesn’t work
Ellison Plumbing & Heating, Inc.Harvard	(815) 943-5508	—	Report Phone doesn’t work
Gardner Environmental ServicesHarvard	(888) 715-3800	gardner-services.com	Report Phone doesn’t work Website doesn’t work
Hartwig MechanicalHarvard	(815) 943-4430	hartwigmechanical.com	Report Phone doesn’t work Website doesn’t work
Harvards Effective Heating and Cooling R.E.P.A.I.R.Harvard	(815) 242-5924	—	Report Phone doesn’t work
Signature HVAC/DUCT CleaningHarvard	(815) 245-9701	—	Report Phone doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

All hvac repair in McHenry County, by townAll 105 trades in McHenry County