Propane is an exceptional energy source that not only offers warmth and comfort but is friendly to the environment, too. Propane is one of the cleanest burning fuels, and it doesn't strain the electric grid, reducing the risk of power outages. From furnaces to fireplaces, propane offers new ways to make any home affordably warm and comfortable year round, while protecting the environment. Fireplaces Furnaces Patio Heaters Pool & Spa/Hot Tub Heaters Space Heaters PROPANE EDUCATION & RESEARCH COUNCIL