Derived from the Latin word fornax, meaning oven, a furnace is a large heating appliance designed to evenly distribute heat throughout a building. Furnaces accomplish this by burning fuel internally ...

Natural gas is one of the most economical sources of energy for home heating. That’s why, according to the Natural Gas Supply Association’s naturalgas.org, 62 million homes (56 percent of the U.S.

The AQMD rejected measures aimed at reducing air pollution by imposing surcharges that would’ve made natural gas-powered water heaters and furnaces more expensive to buy in Southern California. The ...