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  • TRUSTED QUALITY. TRUSTED SERVICE. TRUSTED TO DELIVER COMFORT.

    We’re committed to earning our customers’ trust. We do that by delivering value in both the quality of product we offer and the service we provide, and by responding with efficient solutions to their challenges.

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  • OFFERING COMPLETE 24/7 SERVICE TO RESIDENTIAL AND COMMERCIAL CUSTOMERS.

    Providing customers with the widest range of services available in the HVAC, sheet metal, and commercial roofing industry. Consider Thelen Heating and Roofing, Inc. for all of your heating, cooling, roofing, ventilation systems, and sheet metal fabrication needs.

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  • MINNESOTA'S PREMIER HVAC PROVIDER.

    Trust Thelen to deliver the products and services to keep you comfortable. We are a leading provider of residential heating and air solutions that includes furnace, air-conditioning, boilers, air exchangers, ventilation, air purification systems, and radient heating systems.

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  • INDUSTRY LEADERS IN CUSTOM SHEET METAL FABRICATION, AND DESIGN & BUILD SERVICES.

    We are Minnesota's premier sheet metal fabricator, custom designing and building ventilation systems to exact specifications, and also offering design/build services for new and retrofit construction projects in the commercial, residential and industrial markets.

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  • SOLUTIONS FOR ALL COMMERCIAL ROOFING NEEDS.

    Thelen is relied on as a trusted source for comprehensive commercial roofing solutions. From installation to maintenance and repair, Thelen is trusted to deliver the right commercial roofing solution.

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Commercial Job

We are Minnesota's premier sheet metal fabricator, custom designing and building ventilation systems to exact specifications, and also offering design/build services for new and retrofit construction projects in the commercial, residential and industrial markets. Read More

Residential Solutions

Trust Thelen to deliver the products and services to keep you comfortable. We are a leading provider of residential heating and air solutions that includes furnace, air-conditioning, boilers, air exchangers, ventilation and air purification systems, and radiant heating systems. Read More

Commercial Roofing

Thelen is relied on as a trusted source for comprehensive roofing solutions. From installation, maintenance and repair of built up roofs and rubber roofs, to asphalt, gravel and pre-finished metal standing seam roofs, Thelen is trusted to deliver the right roofing solution. Read More

Maintenance Contracts

Our Maintenance Programs are intended to help avoid heating or air conditioning system malfunctions. The best thing to do to keep your home or commercial business up to par, is to have regular maintenance checks on all your heating and cooling systems. Read More

Trusted Quality. Trusted Service. Trusted to Deliver Comfort.

For over 55 years, Thelen Heating and Roofing, Inc. has earned the reputation as Greater Minnesota’s premier single source provider of heating, cooling, roofing and ventilation systems for residential and commercial customers. Customers come to us and stay with us because they Trust us. They trust our experience, our technical expertise, and the results we deliver. They trust Thelen to deliver comfort!

Earning and retaining customers' trust is a daily commitment shared by each and every member of our team. Communication is key; we do what we say and we say what we do. It has become an essential part of our brand, and our customers have come to trust that practice. Since the very beginning, Thelen has relied on several core business practices to keep us at the forefront of our industry and a leader in the markets we serve. For example, we have invested in:

Our staff of more than 80 professionals work hard to earn customers trust. They’re knowledgeable, well-trained and they share a daily commitment to complete customer satisfaction. We invest in them–in both equipment and ongoing training–to keep them the very best.

We place great value in the partnerships we’ve established. They are a large part of our continued success. Our partnership network includes only the best, most proven companies, technologies and systems. We're certified applicators, installers and service contractors representing the leading brands in the roofing and HVAC industries.

We’re committed to earning our customers’ trust. We do that by delivering value in both the quality of product we offer and the service we provide, and by responding with efficient solutions to their challenges.

Located in the Brainerd lakes area, Thelen Heating and Roofing Inc. is Minnesota’s premier single source provider of Commercial Roofing, Heating, Cooling and Ventilation systems for residential and commercial customers.


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Delivering Comfort and Commitment to Minnesota

Learn why Minnesota customers have trusted us for over 55 years.
  • Jerry Dosh Jr.

    Somewhat partial towards Thelen Heating and Roofing... Some of the best workers, guys, and friends around... Oh and I know our house won't need a roof anytime soon as we have a rolled rubber roof installed.

    Thelen Heating and Roofing Inc. Customer - Jerry Dosh Jr.

  • Hvac Service

    Thelen responded to our after hours emergency call. They were helpful over the phone but the issue was unclear without looking at the issue. He arrived a little early and had the igniter on our furnace working in 10 minutes. Service was very friendly, professional, and prompt. It ended up being a simple fix but it was quick and helpful. The issue was that our furnace was running but only blowing cold air. We determined the igniter wasn't working but could not figure out why. He restarted it and got the igniter working again by simply reconnecting it and restarting the furnace. It was very affordable- they only charge $88/hour for their service (plus cost of parts if needed).

    Thelen Heating and Roofing Inc. Customer - Hvac Service

  • Hvac Service

    Excellent provider of Heating and Air Conditioning services. Quick and efficient and provides good tips in maintaining your HVAC system.

    Thelen Heating and Roofing Inc. Customer - Hvac Service

  • Joel Mell

    Greetings: One of the guys from your crew took the time to help my wife and get are truck run running last night in Waconia. Thank you for your kindness and Holiday Spirit! I'll be contacting your company for my commercial and residential needs in the future. Merry Christmas!

    Thelen Heating and Roofing Inc. Customer - Joel Mell

  • Jim Knudsen

    We had great 1 day service on a furnace for a senior that had sold his house. James did great work and fast !!

    Thelen Heating and Roofing Inc. Customer - Jim Knudsen

  • Jeff Andersen

    Just had the crew from Thelen Heating & Roofing, Inc. do a furnace check up at my home, and I have to tell you how impressed I was with their process. Great service and highly recommended.

    Thelen Heating and Roofing Inc. Customer - Jeff Andersen

Thelen Heating and Roofing Inc. relies on several core business practices to keep us at the forefront of our industry, and a leader in the markets we serve. Trust Thelen to deliver the products and services to keep you comfortable. We offer complete 24/7 service. Please CONTACT US to obtain more information or to have your questions answered.