Liquid Propane Ready (Fuel conversion not permitted); Infrared Technology works by radiating heat to warm objects first - Similar to the sun
Up to 18,000 BTU's/hr heats up to 700 sq. ft.; LOW-MED-HI variable control knob offers the most customizable heat settings
No electricity required allows for reliable back-up heating in case of an emergency situation
Separately sold optional fan (WHF100) improves the amount of square footage the heat reaches in a quiet, yet powerful way!; Separately sold optional base legs (WBL100) allows for stable floor mounting