US Stove Wiseway pellet stove takes away the need for electricity by utilizing a natural gravity feed system that eliminates all mechanical parts, meaning less maintenance and fewer breakdowns. This patented revolutionary design is the only epa-certified and UL-listed nonelectric pellet stove on the market today. The Wiseman is easy to start and operate. Simply heat the burn chamber and flue and start the pellet flow with a propane Torch. This stove uses a natural draft that will take over and Ramp the stove up to temperature. Adjustments are simple by opening and closing fresh air intakes on the front of the stove. The window allows you to see the flame traveling up the body of the stove. Since it uses no electricity, heat is radiated off the 3-1/2 inch tubing and the steel baffles on the back. This stove offers extremely small clearances on the rear and sides, making it easy to install. Since it does not use any electricity, this stove is the perfect source of heat for areas that are prone to blackouts or for off-the-grid installations.