About
Great Mills Heating & A/C, Inc provides residential and commercial air conditioning, heating, furnaces, water heaters, mini splits, indoor air quality, and geothermal sales and service to St. Mary's County, MD, and surrounding areas.
Frequently Asked Questions
What associations does Great Mills Heating & Air Conditioning have?
NFIB - National Federation of Independent Business, NATE Certified - North American Technician Excellence.
When was Great Mills Heating & Air Conditioning founded?
Great Mills Heating & Air Conditioning was founded in 1972.
Which days is Great Mills Heating & Air Conditioning open?
Open on Monday, Tuesday, Wednesday, Thursday, Friday.
What languages does Great Mills Heating & Air Conditioning specialize in?
English.
What are Great Mills Heating & Air Conditioning specialties?
Residential and Commercial HVAC Sales, Service, and Installation, Geothermal, Furnaces, Heat Pumps.
What brands does Great Mills Heating & Air Conditioning work with?
Carrier, Amana, Daikin, WaterFurnace.
What are Great Mills Heating & Air Conditioning main services?
Residential Furnace Repair, Water Heaters, Mini-Splits, AC Services, Heat Pumps, Indoor Quality Quality, Geothermal Heating and Cooling, Light Commercial HVAC Services, HVAC Maintenance Plans, HVAC Service Replacement, Furnaces, Heat Zoning, Gas Furnaces.