Recently a friend of mine whose opinions and recommendations I value — on anything from movies to marriage to motor oil — told me he had just had his home’s air ducts cleaned. In fact, he couldn’t stop raving about it. He claimed he’s never breathed easier, the air is fresher and he regrets not doing it years ago. I politely nodded and tried to change the subject. Working in the HVAC industry, I’m no stranger to the debate on duct cleaning. Debate? Yes. The fact is, empirical

According to Energy Star, approximately 45% of a typical home’s energy consumption is relegated to heating and cooling - roughly $2,100 to $2,500 per annum. Not exactly chump change. Suffice to say, some of that energy, in the form of hot or cold air, gets lost in the cracks, literally. That is, tempered air escapes through gaps around door jambs and window sills, via roofs and floors, heating or cooling unoccupied areas, etc. There’s no shortage of ways for air to escape, an