Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...

Gas furnace lifespan depends on more than age alone. Installation quality, maintenance habits, and climate can all affect ...

A very small number of Americans live in mountainous regions, which is why many HVAC professionals may not even know that gas-fired furnaces installed at higher altitudes usually require modifications ...

Judging by the number of emails I get from Canadians wondering (and worrying) about their gas furnace heating system, this is a hot topic. More than most nations in the world, we rely on modern ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...