Comfort Zone Heating & Air - Accredited HVAC Installer - Geothermal Energy

Comfort Zone Heating & Air is the Area's only HVAC contractor to be certified as an "Accredited Installer" by the International Ground Source Heat Pump Association IGSHPA.

At Comfort Zone Heating & Air we strive to make you as comfortable as possible, in your home or business, while using the most efficient equipment to keep your energy costs low. With over 35 years of experience in the HVAC field we can recommend a system that is right for you. And with only the most experienced installers, we pride ourselves in doing the job right. We provide a full line of HVAC services including geothermal heat pumps. According to the EPA, a geothermal heat pump (GHP) system is the most energy efficient, environmentally clean and cost-effective space conditioning system available today.

Comfort Zone celebrates 10 years!
It was a great time, thanks to everyone that attended!

Dakota Contractor Digs New Technology
Randy Mathern has been in the business for 36 years — ever since he graduated with a refrigeration degree from the North Dakota State School of Science. But it wasn’t until 2001 that he decided to start his own company, Comfort Zone Heating and Air.

Increased job opportunities in the energy sector
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Mitsubishi Electric Cooling and Heating Solutions

ClimateMaster Geothermal Heat Pump Systems

International Ground Source Heat Pump Association

Bismarck - Mandan HBA - Home Builders Association