Comfort Glow's vent-free gas stoves feature attractive, modern styling while providing a charming wood stove ambiance. The Monterey™ vent-free gas stove provides a massive 30,000 BTUs per hour. The large open-face design offers maximum flame enjoyment from the large charred log set and dual yellow flame burner. Heating up to 1,250 sq. feet, this stove is an attractive and economical way to heat almost any room in the house. The dual-fuel design of the Monterey™ permits the unit to be installed almost anywhere a gas line is accessible. Check state and local codes for installation restrictions and requirements before purchase. Due to the built-in oxygen safety sensor, vent-free products may not work properly at elevations above 4,500 ft. Not for sale in California or Canada. Please check your state and local codes before purchasing.