About Us

Blesener Heating and Air Conditioning, based in Duluth, MN is your one stop shop for all your heating and cooling needs. We have been family owned and operated for two generations, and with our experience and knowledge we are confident in our ability to provide our customers with great service and expert installations and repair.

Although we're located in Duluth, MN, our service areas covers three states: Minnesota, Wisconsin, and North Dakota. Regardless of your location, we can handle all your furnace installation, heating and cooling needs.

Need a water heater, boiler, geothermal heating or cooling system, or furnace installation? We have experience needed to do these jobs correctly and efficiently. We can service or repair your existing equipment at the fairest cost around. With free estimates, what do you have to loose?

Don't let another day go by without being 100% comfortable in your home or business in Duluth, Minnesota. Let the experts at Blesener Heating and Air Conditioning take care of your heating and cooling needs. Ask about going green with our geothermal heating systems!

We work with Ruud, Tappan, Honeywell, Fujitsu, Coleman, Lochinvar, NTI, Reznor and much more!

We had Blesener bid then install a heating/cooling system for our new log home. Then bid and install a heating system for our new shop. These guys do very good work with the highest quality components. Their bid wasn't the lowest but it was definitely the one we accepted and glad we did.

-Christopher J.


This installation uses the relatively constant temperature of the earth to heat and cool homes and businesses with 40% to 70% less energy than conventional systems.

Low maintenance costs are another advantage of geothermal systems. Geothermal heating and air conditioning systems are known to have a higher life expectancy than traditional heating and cooling units.

Long-term benefits of geothermal heating and air conditioning systems: safer environment, lower operational costs, flexibility, comfort, quiet, and others. Our service areas include: Minnesota, Wisconsin, and North Dakota. Call for a free estimate today!


Trust Blesener Heating and Air Conditioning for all of your duct work, fabrication, ventilation, and installation needs in Duluth, MN & Superior, WI and surrounding areas.

We can design and install a complete HVAC system for your home or business. If you need your duct system equipment repaired or serviced, we can do that too!

Call us today in Duluth, MN for a free quote or estimate for your HVAC services.


No matter what the problem, our team of highly-trained and certified technicians are prepared to perform installation and repairs on all major brands and specialize in furnace installation.

We specialize in all areas of HVAC, from installation of heating and cooling components to servicing these units and everything in between. Call our experts to get your units installed correctly.

We provide the best customer service in the Hermantown, Duluth, MN & Superior, WI area.