A 95.1 percent AFUE gas furnace is designed with an iQ Drive™ variable-speed blower. The furnace is one component of the iQ Drive system, which also includes a 23 SEER air conditioner, an indoor coil, ...

The Ducane Horizontal 80 gas furnaces have individual balancing of each blower wheel, whisper burners, and the Honeywell® slow-opening gas valve, states the manufacturer. Features include a crimped, ...

Your furnace's job is keeping you warm. Get to know the parts of a furnace so it will do that job better and last a lot longer.

Replacing the old furnace in your central heating system with a new, more efficient model can offset volatile energy prices. Money aside, today’s furnaces pollute less and boost comfort by producing ...