The AGDV12 direct vent gas heater requires NO electricity. With up to 11,000 BTUs per hour, it is designed to heat a space up to 350 sq. ft. This unit mounts on any outside wall for direct venting. The matchless piezo ignition makes lighting easy. The automatic shutoff and thermocouple safety valve makes this unit safe in any room in your home. The built-in thermostat with 1 dial control makes using this unit easy.Safe to use in bathrooms and bedrooms Cabinet remains cool to the touch Heat outlets in front and on top Easy to use piezo igniter Includes all direct vent pipe for typical installation, also includes wall thimbles Approved for use in mobile or modular homes Approved for sale in WA and CAArea Heated (Sq. Ft.): 275 Assembly Required: Yes Burner System: Single Depth: 7-3 5 Firebox Depth: 2 Firebox Height: 10 Firebox Width: 15 Fuel Type: Gas Heat rating (BTU hour): 11000 Height: 20 Indoor Outdoor: Indoor Material: Steel Vented or Vent-Free: Vented Width: 17-1 3