The High-Efficiency Direct-Vent Furnaces are available in three models: 7,400-29,400 Btuh. The furnaces, model series 07735, 17735, and 29035, are designed as high-efficiency, low-profile furnaces ...

Added to the Napoleon® line of high-efficiency gas furnaces is the 9200 Series. The forced-air, high-efficiency gas furnace series has models in the range of 30,000-120,000 Btu, all at 92.1 percent ...

Two manufacturers of plastic venting systems are pushing for a national fuel gas code in the United States that requires Underwriters Laboratories Inc. certification for use in some natural gas-fired ...

Q: We have a high-efficiency condensing furnace that vents out a side wall. Should I be concerned about the icicles I see built up on the plastic pipe outside the house? -M.C. Kalamazoo. A: No. What ...

Innovations in technology continue to shape our lives in many different ways. That includes the systems we incorporate into ...

It's perfectly acceptable to have a high-efficiency furnace installed with one pipe. Just flip through the pages of any high-efficiency furnace installation manual and you'll find the answer. I'm ...