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 ...

It's perfectly acceptable to have a high-efficiency furnace installed with one pipe. Just flip through the pages of any high-efficiency furnace installation manual and you'll find the answer. I'm ...

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? – ...

Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...

That new high-efficiency furnace you’re installing might come at a high price: a buildup of carbon monoxide around the water heater or condensation in the chimney. The source of the problem is what ...