During the past several years, new-style silicon nitride igniters for furnaces and boilers have taken over the industry. Virtually all new residential gas furnaces now feature the new technology. In ...

Both the Broan M7 and CMF95 furnace models are designed for manufactured housing. They are 95.1 percent AFUE gas furnaces. The integrated circuit board features diagnostic indicators and an adaptive ...

AI-generated summary reviewed by our newsroom. Read our AI Policy. Furnaces typically fail after 15-20 years; schedule replacement before winter peak. Gas units cost $3,000-$8,000 and offer lower ...