For many HVAC contractors, zoning is an untapped market. Many homeowners probably don’t even know what zoning is, even if they already have zoning systems installed in their homes. (Hint: It’s just ...

Question: Can I install HVAC zoning in a house that will soon be built? Answer: Yes, you can set it up when your home is under construction. David Byrnes of Green ID, a Rosie on the House certified ...