HVAC uses of flexible air duct have grown exponentially over the last two decades, all over North America. Contractors and installers say they like it, and some find it indispensable. It has changed ...

The Merriam-Webster dictionary defines ethics as “the code of good conduct for an individual or group.” When HVAC professionals fail to deliver properly designed and installed residential duct systems ...

There is a common misconception that it’s impossible to have a furnace — a major component to an HVAC system — installed in the attic due to tight space and minimal access. This is not the case. As ...

Q: Our house does not heat evenly. It is a 160-year-old Greek Revival structure. It has two stories in the center and a one story wing on each side. There is a basement under the center two-story ...