Boston Quality Heating and cooling operating in the Boston and southern New Hampshire area providing you with cost effective ways to heat or cool your residential or commercial site. Our employees are trained and Specialized in Mitshibushi mini split and city-multi installations. Certify and trained in UNICO HIGH VELOCITY SYSTEMS. At QHC we understands what you the customer need are and will make all accommodations at the right estimate. VALUE is our number one priority to every customer.