Air Conditioning Companies in Dover, NH

Comprehensive list of commercial and residential air conditioning companies in Dover, NH offering installation, repair and maintenance services.

Business Listings

Dupont's Service Center at 28 Sumner Dr. - off Rte. 155 - in Dover NH was established in 1958 and has expanded to be one of the biggest independent automotive service facilities in New Hampshire. We provide complete service auto repair using the latest in automotive equipment and diagnostic software. Dupont's Service Center warranties all its work for 2-Years or 24,000-miles, whichever occurs 1st.


Dowling Corporation is a leading HVACR mechanical services supplier serving 1000's of clients throughout Southeastern New Hampshire and Southern Maine. Providing comfort and peace of mind since 1961, we remain dedicated to providing unparalleled satisfaction through our commitement to quality, reliability and service.


Searching for a new heating or air conditioning system? Does your existing system require costly repairs? Maybe it is not running as efficiently as it should be! Whether your requirements are domestic or commercial, look no further than East Coast Heating & Air Conditioning. Our products and services are exclusively for the use of domestic and commercial clients.



Key Heating & Air Conditioning. proudly serves the comfort requirements of the New Hampshire Seacoast, the North Shore of Massachusetts and Southern Maine communities. We work tight to supply the highest service available at realistic prices. We provide FREE HVAC system inspections to prepare your heating and/or cooling system for all seasons.


Oil & Gas Heating And Air Conditioning Service Company. We Repair, Service, Design, and Install all MAKES AND MODELS. We have been serving the SEACOAST since 1985. With A++ RATINGS. FREE ESTIMATES, 24 HOUR SERVICE. 603-964-2232


Credo To exceed our clients' expectations, supply great jobs, and to be in the forefront of our industry's finest practices. Business Philosophy Boats and the sea have always been a part of my life. When I chose the name TradeWinds Mechanical Services, I wanted my heritage to be a part of the firm. My roots are from that hard rock of land on the coast of Maine, known as Deer Isle.


For any plumbing, heating or cooling problem, huge or tiny. With 35 trucks, we can reply speedily. We provide 24hr Emergency Service at regular rates. And with our Never Wait, Never Late Plan, we will call you at work or on your cell phone 30-45 minutes before arriving at your home, so you can meet us there and minimize interruption to your day.


Simmons Plumbing & HVAC is a complete-service, family-owned plumbing, heating, ventilation and air conditioning firm serving the North Shore of Mass. and the Seacoast of New Hampshire for over three decades. Thousands of clients trust the superior standard of service that ensures the comfort and safety of you and your family.