• EPA Certified • Licensed & Insured • Serving Kalamazoo & Southwest Michigan

5-STAR RATED • KALAMAZOO, MI
Kalamazoo's Trusted HVAC & Heating and Cooling Company
Douglas Heating Supply is your local heating and cooling company in Kalamazoo, MI. We provide professional HVAC services for homeowners across Kalamazoo and the surrounding areas. Our EPA Certified technicians are available for HVAC services and free estimates on all new installations.

Licensed & fully insured
EPA certified
Fast Response
Same-day service*
Free estimates
All new installations
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We'll get back to you within 1 business day
Heating and cooling services in Kalamazoo, MI
Residential & commercial • All major brands • Free estimates on new installations
Furnace & heating
AC & cooling
Indoor air quality
Furnace repair & heating services in Kalamazoo
When your furnace stops working, Douglas Heating Supply responds fast. We handle furnace repair, installation, maintenance, boiler service, and heat pump repair throughout Kalamazoo, Portage, Battle Creek, and beyond.
We install high-efficiency systems from Goodman, American Standard, Rheem and other leading brands. Free estimates available.
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Furnace repair and diagnostics
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Seasonal maintenance tune ups
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Heat pump installations & repair
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Thermostat repair
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Furnace installation and replacement
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Boiler service and repair
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Water heater replacement
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Ductwork inspection & repair


Dax recommends Care Club - and so do your neighbors!
Bi-annual tune-ups, priority scheduling & repair discounts. Starting at $179/year.

LOCALLY OWNED • KALAMAZOO, MI
The trusted HVAC company Kalamazoo homeowners & businesses rely on
Douglas Heating Supply is a locally owned HVAC company in Kalamazoo, MI. We provide HVAC services including furnace repair, AC repair, air conditioning installation, ductwork, and indoor air quality solutions for residential and commercial customers throughout Southwest Michigan.
Our EPA certified, Michigan licensed technicians are trained to service all major brands. We offer free estimates, financing options, and emergency HVAC services.