Superior Service Since 1962

Dor-Mar Heating and Air Conditioning has been serving Newark, Columbus, Zanesville, Lancaster Ohio since 1962. Starting out as a small door-to-door company, Dor-Mar has grown to be one of the largest heating and cooling service companies in Ohio. Dor-Mar is family owned and operated and we hold our employees to the highest standards to ensure we continue to provide our customers with the best HVAC service possible. We have 30 employees, all who are passionate about taking care of our customer’s needs. Our employees attend monthly training, making sure we keep up with the ever-changing HVAC field. As a result of our hard work and honesty, Rheem & Coleman has recently recognized us as a “ Top Team Contractor.” We offer free estimates on new equipment, and provide customers with 24-hour service.

Dor-Mar Heating and Air is proud to install and service quality Rheem and Coleman products. We pride ourselves on providing exceptional customer service, for all makes and models of heating and cooling. Call us to schedule a service appointment or for a free, no-obligation consultation to determine the perfect system for your home or business. We look forward to hearing from you and adding you to our long list of satisfied customers. We offer same day no heat no cooling service/repair in Columbus, Newark, Zanesville, & Lancaster Ohio.

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