Massachusetts Heating & Air Conditioning License #014557
Massachusetts Refrigeration License #RT014557
Massachusetts Master Sheet Metal License #2284
Massachusetts Sheet Metal Business License #493
Learn more: Why are state contractor licenses important?
A word about our staff:
By choosing Preferred Air, you are choosing the people you want in your home to install and service your comfort system. Our hiring policies are strict. The trustworthy people we employ are rare and expensive. Our technicians are as focused on their professional capabilities as they are on their moral convictions.