The problem: Replacing an existing gas furnace with a new, more efficient furnace. The apprentice: Allen Charles Edwards (ACE) — First-year mechanic. The technician: N. Arthur Thomas Egan (NATE) — ...

Q: The repairman says I need a new gas furnace. He recommends a super-efficient one because my chimney also needs repairs. What are my options for the best comfort and why is the chimney a factor? – ...

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 ...

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 ...

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 ...

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 ...