SF-3500 Hot Air Furnace

The SF 3500A 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.

170,000 BTUs - heats 2,700 to 7,100 square feet, based on climate and home efficiency
Harman Grate System extends heating by completely burning fuel to fine ash
Spiral chamber ensures consistent heat levels
Burns pea, nut or stove-sized coal