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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.

Avoid heating and air conditioner system malfunctions. Trust Thelen to deliver the services to keep you comfortable.

Backed by over 55 years of experience, there’s not a whole lot our Professionals cannot do. From fixing and maintaining the HVAC equipment in your home and business, to scheduling regular Maintenance checks; keeping your equipment running smooth. Our team genuinely cares about each and every one of our customers and we want to make sure that we provide the best and most efficient service in the Brainerd Lakes Area.

Our professionals arrive prepared to do the job quickly and efficiently, saving you time and money. Trusted for Service. Trusted for Quality. Trusted to deliver comfort to your home and business. We would love to work with you.

Maintenance Contracts