On a busy manufacturing floor inside a cramped 85-year-old converted dairy creamery in the city of Tower in northeastern Minnesota, a handful of workers are welding together a wood-burning furnace ...

Q. Some time ago, you discussed the difference between static filters and paper filters for efficient furnaces. I purchased my furnace about three years ago and have the static filters. I find them ...

If your gas furnace keeps cycling on and then turning off within a minute or so, it might be the result of a dirty flame sensor. Most gas furnaces have a small sensor designed to shut off the furnace ...

A furnace filter should be changed about once every three months. A furnace filter should be changed more often in the event of pollen, construction dust, cold spells, or other amplifying factors.

Forced hot air heaters have filters that need regular cleaning from dust, dander and pet hair. Reggie rubs his head on a filter as his owner vacuums it. Credit: Linda Coan O'Kresik / BDN Winters in ...

Bellevue developers of a new type of jet engine are finding the real money may lie in using the engine's "pulse detonation" technology to clean dirty power-generation furnaces. Subscribe to read this ...

Your air ducts and vents require regular maintenance. Ignoring tasks like replacing your filter each month can invite pollutants into your home's ventilation system. Viruses, bacteria and fungi can ...

Q: I turned on my furnace for the first time this year, and it made the whole house smell musty. I checked the filter and found it caked with dust, so I replaced it with a new filter, and the indoor ...