An old, temperamental heating and cooling system can be a pain in the neck on so many levels. It’s inherently inefficient which puts a hurt on your wallet. It’s an inconvenience, in that one minute you feel on the verge of hypothermia, and the next minute you swear you’ve been relocated to a sweat lodge. These old units, with their “bangs” and “clangs,” are jarring. They can also be tremendous space hogs where square footage is coveted. The best way to overcome all these issu

Imagine if every light bulb within your home was operated using only one switch. This might be a nice scenario when it’s bedtime, but during the evening it would be impractical and play out as a giant waste of electricity with every bulb illuminated. This “one switch” example is a metaphor that gets bandied about by HVAC professionals when differentiating between central and zoned HVAC systems. Central A.C. is the all-lights-on approach, whereas a zoned system is the procedur