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 ...

The Affinityâ„¢ modulating gas furnace offers an efficiency of 95 percent AFUE. The furnace features a fully modulating gas valve. By varying, or modulating, the gas input and the circulating airflow ...

Cooler temperatures aren't here yet, but it's worth researching ahead of time if you're in need of a furnace upgrade. Fortunately, the market these days is flooded with options. To pick the right one ...