There's no problem with a one-pipe system, but the rules for venting are different. I've read dozens, maybe hundreds of high-efficiency furnace installation manuals. Every single one of them had ...

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 ...

Q. With the deep winter snow we had last season, the air intake for our furnace plugged up. I had to separate the pipe from the furnace and let already-heated house air be used in the furnace rather ...

Q. My heating bills are getting out of control, so I called a company to look at my furnace. They suggested I buy a new high efficiency furnace. The price was for the furnace and installation using ...

The first arctic chill of the season has already descended upon a large swath of the U.S., causing many homeowners to realize that it may be time to replace their gas-fired furnace. Buying a new ...