US Stove AGDV20N Ashley Direct Vent 17,000 BTU Natural Gas Heater Natural gas heater safe to use anywhere, including in bathrooms and bedrooms Cabinet remains cool to the touch, with heat outlets in front and on top Includes all direct vent pipe for typical installation, as well as wall thimbles Approved for use in mobile or modular homes Approved for sale in WA and CA Heating coverage:- 350 square feet