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Let’s face it. Your furnace doesn’t keep regular business hours. That’s why you need an expert who’s available whenever they break down. We offer 24-hour emergency HVAC repair service to fix your problem fast. We are your Dickinson and Bismarck hometown comfort experts!


Regular maintenance can help keep your HVAC systems working at peak efficiency and prevent unexpected problems. Our maintenance program will help keep your equipment running smoothly for years to come. One of our certified technicians will perform a full diagnostic, change your filter and keep you apprised of any potential issues we foresee.

City Air Mechanical will put our training and experience to work to maintain or repair your furnace, whether it’s a mini split, heat pump, hydronic or forced air heating system. We have plenty of brand knowledge and are ready to serve you!


From new construction to residential or commercial buildings, we do it all. We can help you select the right furnace or heating system for your needs. Our technicians will perform a home assessment and install an energy-efficient system to help you stay warm throughout the fall, winter and early spring for years to come.


No matter what climate you live in, the temperature throughout the year varies. For climates like ours, that means blazing summers and cool to frigid winters. The the temperature below ground, however,  stays fairly consistent all year, regardless of climate or season. 

Just below the frost line is a wealth of solar energy that’s been collected and stored. A geothermal heat pump taps into this free and renewable energy to provide the most efficient and cost-effective heating and cooling available. By simply moving that energy to and from the home, a geothermal heat pump isn’t burning fossil fuels to create heat, which means your home will be safer and your carbon footprint will be smaller


During the heating cycle, a geothermal heat pump uses the earth loop to extract heat from the ground. As the system pulls heat from the loop it distributes it through a conventional duct system as warm air. The same heat energy can also be used for a radiant floor system or domestic hot water heating.

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