Manufacturer Description

Since 1938 Tjernlund has provided the highest quality engineered and manufactured products that solve exhaust, ventilation and heating/cooling problems. Current products include: indoor air quality products and accessories such as the UnderAire™ Crawl Space Fans, XchangeR™ Reversible Basement Ventilation Fans, Radon VAC™ mitigation products, Duct Booster® fans, Dryer Duct Booster® fans, AireShare™ transfer fans, hearth products, draft inducers and side wall power venters for gas and oil heating systems, In-Forcer™ powered combustion air intakes plus interlock controls & accessories. Over four generations our mission has been to provide quality engineered and manufactured products that solve exhaust, ventilation and heating/cooling problems. Paramount to our success is providing the technical support necessary so that our products are easy to select and install. We are dedicated to serving your special exhaust and ventilation needs.