The SF3500 is a hot-air furnace built to maintain clean, consistent temperatures throughout your entire home. An advanced filtering system and automatic blowers help ensure warmth and comfort all year round.
(Wood for fire startup only!*)(Wood for fire startup only!*)The amount of heat produced by a heating appliance is measured in British Thermal Units (BTUs). One BTU represents the amount of energy required to raise the temperature of 1 lb. of water by 1 degree F.
Generally, more BTUs correlate to greater heating potential. However, the amount of BTUs needed to heat a specific area varies, based on climate and home efficiency.
Get the most out of your hearth product by staying up-to-date on basic maintenance and care. Some annual maintenance activities you can perform include:
Consult the installation/owner’s manual for more detailed information on maintenance.
*As of 2017, the hot air furnaces are no longer EPA approved for continuous firing with wood