Northwest Manufacturing offers homeowners an independent lifestyle with a varied product line of furnaces. Its flagship product is the WoodMaster outdoor furnace that has celebrated more than 15 years of satisfying customers. The furnace can heat homes, businesses, garages, pools and spas or connect to in floor heating systems. The company began in 1989 with three brothers, Ron, Chuck and Bruce Gagner. The brothers decided to build outdoor wood boilers in their farm shop to so they could heat their homes to save money and have reliable, safe and clean heat. Soon neighbors started asking the brothers to build them boilers. On April 1, 1990, Northwest Manufacturing was incorporated. A building was rented, equipment was bought, employees were hired and it started building and marketing WoodMaster boilers. It also manufactures the WoodMaster Plus, a natural energy furnace, and supplies a variety of outdoor stove accessories. Northwest Manufacturing is located in Red Lake Falls, Minn.