Areas Served

Dor-Mar has been serving Central Ohio since 1962. We’ve grown from a door-to-door operation to more than 40 employees. Starting in Newark, Ohio, we expanded into the Columbus, Ohio market several years ago. See below for all the cities we serve in area. We look forwarding to serving your family’s heating and cooling needs.

Franklin County

Delaware County

Licking County

Fairfield County

Muskingum County

  • Zanesville

Service Categories

Dor-Mar is proud to offer the following services to our Central Ohio community:
Air Conditioning Contractor Air Conditioning Repair Service Air Conditioning Store Air Conditioning System Supplier Air Duct Cleaning Service Heating Contractor Heating Equipment Supplier Furnace Parts Supplier Furnace Repair Service Furnace Store HVAC Contractor
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Our Comittment to Your Family’s Health & Safety

Learn what we’re doing to keep you and your family, as well as our employees, safe from the spread of the virus as we service your heating and cooling needs. 


HVAC customer service in Newark, Ohio | Dor-Mar Heating & Air Conditioning

PLEASE NOTE: If you are a renter, please have your landlord/owner contact us directly to schedule service. We can only work with property owners.