I never knew that there was a Christmas version of an automatic air vent for a residential steam heating system. When I finally found it, I instantly knew this story would be for the holiday issue.
Clean air vents are one of the simplest ways to protect your indoor air quality, keep energy bills in check, and extend the ...
In response to consumer demand for higher efficiency boilers and updated regulations from the U.S. Department of Energy, the conversion from noncondensing to condensing vent systems becomes necessary.