Dor-Mar Heating & Air Conditioner Service | Call Today, Service Today Guaranteed


Our Products & Services

Dor-Mar Heating & Air Conditioning is your best source for Heating, Cooling, and Hot Water products and services in Central Ohio

HVAC Routine Maintenance Agreements
HVAC Maintenance

Just like your car, or like any other complex mechanical system, your home's heating and cooling equipment requires routine maintenance. Check how you can SAVE and protect your investment!

Heating System Replacement

Has your old system given up the ghost? Spending a small fortune every month on energy bills? Perhaps it's time to invest in a new high-efficiency Rheem air furnace for your home.

Air Conditioning Replacement

If your home's air conditioner isn't keeping up with the extreme temperatures outside, and isn't providing the comfort your family deserves, look at our options for replacing your existing AC system.

hot water tank installation
Water Heaters

If your hot water isn't actually HOT anymore, or if you have an old leaky hot water tank, it's time to upgrade!

Heating Systems Service & Repair

Heat isn't really a luxury in Ohio's winters, especially if you have small children or elderly parents. Get more information on our same day heating services.

radon gas detection and mitigation
Air Conditioning Service & Repair

This is your best bet when your AC isn't performing as well as it should… or at all! Find out how our air conditioning repair services can restore your family's comfort… often on the same day.

Heat pump repair, replacement, installation
Heat Pumps

Heat Pumps are an efficient, energy-saving method to heat and cool your home. Find out more about our Heat Pumps.


Thermostat have come a LONG way in the past few years. Control your temp remotely, schedule temp changes, communicate through smart devices, and much more.

air cleaner, indoor air quality
Indoor Air Quality (IAQ)

Improve the quality of your home's air with these incredible indoor air quality systems available for installation from Dor-Mar.

central ohio appliance repair service
Appliance Repair

When you need help with a broken appliance, look to us for local appliance repair services on the spot. We service all major brands!

appliance maintenance package
Appliance Maintenance Package

We are offer a complete annual major appliance maintenance program at one low price. Extend the life of your home appliances and save with this service!

HVAC Maintenance Package

We schedule your routine maintenance and keep you in compliance with most manufacturers warranty, preventing costly problems while increasing efficiency.

Serving in the industry for past 57 years

Check out our reviews today!

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Rheem heating and cooling products


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.


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


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.