Most of us grew up with what seemed like a scary furnace that lived in the basement. It made creepy noises when it started up, and usually overheated the house before it finally shut off. And forget ...

“Winters are cold in Sylvania, Ohio — too cold to be without a furnace. That’s what was going through our minds as we thought about our 20-year-old furnace and the winter ahead,” said homeowner Wendy ...

Q. I made energy improvements to my house, but my 25-year-old gas furnace does not keep it as comfortable as before. Also, I think my gas bills should be lower? Which 2008 furnace models are most ...