Furnaces don’t typically last more than 20 years — old age is one of the top reasons for gas furnace replacement. Routine maintenance and air filter replacement can extend a gas furnace’s ...
having read a paper at the Chester meeting of the Iron and Steel Institute on a new method of heating in the regenerative gas furnace, in which he treated the practical side of the question ...
Make sure the gas is turned on. Photo: Tom Fenenga for Bob Vila Any gas furnace will have a valve or gas cock located within 6 feet of the unit. Furnace valve designs vary, but they often include ...