Sure Heat BWH10NLMC Dual Fuel Flame Wall or Floor Mount Heater, 10K BTU, Beige/Tan/Blue No venting required. Can be operated on natural gas or liquid propane 99.9% Energy efficiency. Saves on high energy costs while delivering maximum heat output Can heat up to 300sq. Ft. Perfect for bedrooms or bathrooms The convection heat warms the air in the room first and then objects Perfect for newer homes with tight insulation