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 ...

Residential gas-fired equipment is changing and so are the related codes. As efficiencies and energy factors creep up — whether organically or because of regulation — the installation processes and ...

Question: Several years ago, we had a tankless water heater and very high efficiency furnace installed and the installers tape-sealed off the old metal furnace chimney in the basement, as the new ...