Concerns for the New Furnace Rules. Critics in the HVAC industry express concern that the DOE has not properly evaluated the true costs to consumers, as these types of furnaces usually require ...

Low-efficiency gas furnaces will vent to the roof, while higher efficiency models vent out to an exterior wall. Electric Furnace Unlike gas furnaces, electric furnaces don’t use an open flame.

The concept of the “high-efficiency furnace” in popular consciousness dates back to the 1980s. That’s when the National Appliance Energy Conservation Act of 1987 required all new furnaces be ...

Business; New natural gas furnace standards will raise bar for efficiency. Published: ; Oct. 21, 2012, 12:30 p.m.

Q: The repairman says I need a new gas furnace. He recommends a super-efficient one because my chimney also needs repairs. What are my options for the best comfort and why is the chimney a factor?— ...

Ludwig: High-efficiency furnace costs more, saves money Jerry Ludwig Last week I began a reply to J. McC.’s questions about replacing his 1920s gravity warm air furnace (the “octopus”) with ...

By James Dulley Q. The repairman says I need a new gas furnace. He recommends a super-efficient one because my chimney also needs repairs. What are my options for the best comfort and why is th ...

The filter is wet also.A: There could be a few reasons your furnace is leaking water, but let’s start with the most likely one: a condensation leak.High-efficiency furnaces those with an Annual ...