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



Heating System Service & Repair

Best Heating Contractor in the Central Ohio area

Gas furnace service & repair

If you’re experiencing minor furnace system interruptions, or even complete heating system failure, you’ve landed in the right spot. Central Ohio’s premiere heating repair and service company offers 7 local offices and highly-trained and certified service techs right in your backyard for same day service.

Our 57 years of service has given us perspective on what issues are common in most gas and electric furnaces. We’ve seen families affected by mistakes caused by careless workmanship and inexperience from other area heating contractors, and we’re here to help correct them with the highest level of professionalism.

We implemented strict standards for our business and especially our service technicians to ensure your furnace repair needs are handled right the first time, no matter the time of day or night.

Fast 24-Hour Emergency Furnace Service

We consider your very first phone call the start of our relationship and commitment to 100% customer satisfaction, throughout the entire useful life of your home’s heating system. We want to ensure your family’s complete comfort and safety. We want to help you protect your investment by being there when you need us most. Our superior team of highly-trained HVAC experts is available day or night to deliver accurate, fast and reliable repairs on all makes and models of heating equipment.

To fully protect your home’s furnace and air conditioning systems, we recommend a Platinum Package maintenance agreement.

Fast, Reliable Heating Repairs for Long-Term Comfort and Performance

As a Rheem Pro Partner, our company is proud to offer the finest equipment from a company that also adheres to the highest quality factory standards. Participation in the Pro Partner program is an earned accomplishment, not just a slogan or a paid ad. We must demonstrate our commitment to superior customer service, offer the most highly-trained and certified service technicians, and the most up-to-date processes.

Our technicians are NATE-certified, and must attend frequent training to stay ahead of the changes in the HVAC industry. When you hire one of our superior service technicians, we’ll arrive fully prepared with the tools, knowledge and parts to complete your emergency heating repair in a single visit.

We also take special care to eliminate or minimize disruption to your family’s routine. We adhere to a very strict time frame, we work hard to protect all surfaces (by wearing shoe covers), and remove any debris or discarded parts when the job is complete.

Expert Heating Repairs – From the Start to the Finish Line!

You know when is the best time for your furnace to break down? Never, of course! It’s always best to handle any issues immediately, before a small problem escalates into a large one. Watch for elevated noise levels, longer run times, or unpleasant smells from your heating system. Those could be indicators of big trouble ahead. If corrected quickly, that could be the difference between a paying for a small repair or adjustment or possibly needing a replacement system.

When you trust Dor-Mar Heating & Air Conditioning for your home’s furnace repairs, we start with a prompt and accurate diagnosis of your system’s issues. We’ll evaluate your heating system as a whole, allowing you to make informed, cost-effective decisions. Our service technicians will make repairs or system corrections that will do more than just satisfy your immediate comfort, we want to be sure your family is safe and comfortable long-term.

We deliver qualified trustworthy emergency service throughout the entire Central Ohio area. Call us today for fast, reliable service TODAY! We’ll get your family feeling comfortable and warm quickly.

Serving Customers in Central Ohio for 60+ years

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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.