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? – ...

I need to replace my furnace and am convinced I can doit myself. I looked at how the furnace connects to the metal ductwork, and I don't see any real challenges. Even the solder connections for the ...

Before any other measure, equipment, insulation, replacement of old windows, use of renewable energy sources or installation of a smart home system, the furnace installation plays a critical role in ...