Thelen Heating and Roofing has been serving the Brainerd Lakes Area for all its heating and cooling needs since 1958. We pride ourselves in being the greater Minnesota's premier source for commercial roofing and ventilation. We are committed to earning our customer's trust. We deliver value in both the quality of the product we offer and the service we provide, and by responding with efficient solutions to their challenges. We provide customers with the widest range of services available in the HVAC, Sheet Metal, and Commercial roofing industry.