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Our Mission Statement

“To provide comfort solutions with the most current technical knowledge and provide excellent customer service and gain a customer for life”

About Us

Our family owned, award-winning company has been providing the best energy solutions for New England homeowners since 1993.


From free home energy assessments to comprehensive maintenance and the installation of all types of heating and cooling, ventilation and air quality systems, Key Heating & Air Conditioning Inc. has the professional team to count on for all of your energy needs.


Our factory-trained technicians, project managers and installation crew have a combined trade experience of more than 150 years in all aspects of the heating, cooling and air quality business. In fact, we have team members who have been working with Key for over 20 years.


Our Key team is important to us. We provide regular training classes for our technicians to assure they have the most up-to-date knowledge when installing and repairing the heating and cooling system equipment and air quality equipment in your home


Here at Key it is all about teamwork, both on the job and off the job. Company cookouts and employee volunteering are all part of the Key experience


We also work hard to provide the best customer service available at competitive prices _ including 24/7 emergency service and free estimates. It’s no wonder that we have so many satisfied customers.  Read what they have to say about our company. In fact our goal is to achieve 100 percent customer satisfaction with the service, products and expertise we offer on every single job.


Being a green company is another priority. At Key we recycle, manage refrigerants and use environmental refrigerants. Our service technicians, who are EPA-certified, install high SEER equipment. And we sell, install and service alternative energy home heating and cooling systems, including geothermal heating and cooling and solar thermal.


Choose a respected local leader recognized by the Better Business Bureau with its A+ rating for all of your heating, cooling, air quality and electrical needs.

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