The QuietComfortâ„¢ DLX 90 natural gas furnaces are ready for upflow installations out of the box, with all parts included for downflow or horizontal conversions. They are dual-certified for one- or ...

Designed to offer contractors easier installation and service and improved reliability, the line of Heil® 95.5 and 92.1 percent AFUE Performance Series gas furnaces feature a dual-vent design to allow ...

Replacing the old furnace in your central heating system with a new, more efficient model can offset volatile energy prices. (So far, it’s predicted that fuel costs will go up this winter.) Money ...