The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) has published the fourth edition of its HVAC Duct Systems Inspection Guide.

It begs the question, what temperature should a house be during a big freeze? HVAC experts agree that running your heating ...

Learn how to warm up a room without using a plug-in electric heater. Consider built-in radiant floor or ceiling heating, duct booster fans, toe-kick heaters and other safe heating techniques first.