Heating, Ventilation and Air Conditioning (HVAC) companies in Maine are playing a crucial role in residential, commercial, and industrial environments. These businesses provide a wide range of services such as installation, repair, and maintenance of systems that control temperature, humidity and air quality. The HVAC industry in Maine includes both multi-generational family-run businesses and newer firms, showcasing a fusion of time-tested expertise and fresh innovation. With constant advancements in technology, for instance, digital controls or geothermal systems, this sector is dynamic and continuously evolving to better serve the customers, pointing towards a future of improved efficiency and sustainability.


Top 19 HVAC companies in Maine

1. Atlantic Comfort Systems, INC.

Atlantic Comfort Systems, Inc. is a full Mechanical Contractor providing heating, air conditioning, refrigeration, plumbing, and controls services. They offer service, sales, and installation for residential, commercial, and industrial customers in Maine and New Hampshire since 1991.


2. Abm Mechanical, INC.

ABM Mechanical is a leading and competitive mechanical systems contractor in Maine. They offer a full range of mechanical contracting services including pre-construction, estimating, design, construction, and maintenance for commercial plumbing, HVAC, electrical systems, medical gas, geothermal, and solid fuel systems.


3. Haley's Metal Shop, Inc.

Haley's Metal Shop is a 5th generation family business specializing in HVAC services. They offer heating and cooling solutions for residential and commercial properties, including heat pumps, boilers, and central air systems. With over 100 years of experience, they are Maine's premier HVAC contractor.


4. W.H. Demmons, Inc.

W.H. Demmons is an energy solutions company based in Portland, Maine. They specialize in providing HVAC/R services, roofing solutions, and building automation systems. With over a century of experience, they offer expertise in improved air quality, marijuana grow rooms, process cooling, and more. Their goal is to help customers breathe easy by providing clean and safe indoor air. Serving both national and international clients, W.H. Demmons is committed to providing innovative and sustainable energy solutions.


5. Damon Mechanical

Damon Mechanical is a company that offers a range of mechanical services and solutions. With expertise in HVAC, plumbing, and electrical systems, they provide installations, repairs, and maintenance to residential, commercial, and industrial customers.


6. Northeastern Refrigeration

Northeast Heating, Cooling & Refrigeration is a company providing commercial and residential HVAC services, including boiler repair and replacement, heating installation and maintenance, ductless HVAC, heat pumps, and air quality control.


7. Gammon's Heating & Cooling

Gammon's Heating and Cooling is a commercial HVAC contractor located in Kennebunk and Saco, offering heating and cooling repair services including furnace, air conditioning, ductless mini-split, water heater, fireplace, boiler, and heat pump repairs.


8. Mid-Coast Energy Systems

Mid-Coast Energy Systems provides 24-hour emergency services for heating, cooling, plumbing, and electrical systems. They sell, install and service generators, EV charging stations, heat pumps and geothermal energy systems. They offer annual maintenance agreements and have a team of seasoned professionals to help clients plan, price, and progress through their next project.


9. Martin Heating &a; Cooling

Martin Heating and Cooling offers installation, repair and maintenance services for all types of commercial HVAC equipment, as well as residential heating and air conditioning products. They carry a complete line of indoor comfort equipment including air conditioners, heat pumps, gas furnaces, ductless split systems and Viessmann boilers.


10. NEI Mechanical-Electrical

NEI Mechanical and Electrical HVAC offers heating, air conditioning, refrigeration, commercial repairs, and propane systems to customers in Maine. Their experienced team provides installation, maintenance, and repair services to ensure customers stay comfortable year-round.


11. Royal River Heat Pumps

Royal River Heat Pumps offers high-quality electric heat pump installation and maintenance services in Maine, specializing in the comfort and efficiency of residential and commercial properties. They provide ductless mini split AC units that offer both cooling and heating, even in below 0 temperatures.


12. Estes Oil Burner Svc

Estes Oil & Propane provides premium fuel delivery and HVAC service to Southern Maine and Seacoast New Hampshire customers.


13. ABC Cleaning Co

ABC Cleaning offers air duct cleaning, dry vent cleaning, chimney cleaning, and other related services in the Orlando area.


14. Nadeau's Refrigeration

Nadeau's Refrigeration was started in 1978, owner Ron Nadeau had worked in the refrigeration industry for a decade when he decided it was time he started his own business. He traveled all over the state servicing cooling systems from giant systems at the paper mills to individual units in people's homes. After six months of working in his garage, Ron Nadeau rented a warehouse on Stanley Street where Tim Horton's is now, but it was another year before he hired his first employee. By the early 1980's, Nadeau's had five employees. In July of 2012, Paul Gardner purchased Nadeau's Refrigeration from the Nadeau family. A native of Lewiston-Auburn, Paul brings over 25 years of HVAC/R experience to the company. Paul is excited and motivated to lead Nadeau's into the future, providing many more years of service to the company, our customers and the Central Maine area. Over the years Nadeau's has expanded in a number of directions; including Heating, Air Conditioning, Refrigeration and Plumbing. Our client base has steadily grown due to the wonderful employees most of whom have been with Nadeau's long term. Nadeau's strives to provide our customers with the best possible service and is continually training our employees to keep up with all the changes in the HVAC/R and plumbing industry.


15. P Gagnon & Son, INC.

  • Website: pgagnon.com
  • Headquarters: South Berwick, Maine, United States
  • Founded: 1904
  • Headcount: 11-50
  • LinkedIn

P. Gagnon & Son is a full-service heating oil and propane supplier that provides year-round comfort to homeowners through equipment installations, tune-ups, emergency heating service, and more.


16. Heat Rite

  • Website: heat-rite.com
  • Headquarters: Lebanon, Maine, United States
  • Headcount: 1-10

That's why Heat Rite offers only the best name brand equipment from the top manufacturers in the industry. We have the knowledge and the experience you need to help you choose the best heating system for your lifestyle and budget. We've built our reputation on personal service tailored to meet or exceed our customers' expectations.


17. Powell Refrigeration

Powell Refrigeration is a full-service refrigeration company that specializes in installation, maintenance, and repair of refrigeration and heating systems as well as all types and brands of food service equipment. They offer 24/7 emergency repair services to their satisfied commercial and residential customers.


18. Pine State Services

Pine State Services is a company that specializes in plumbing, electrical, heating, and cooling services. They offer installations, repairs, and maintenance for residential and commercial customers throughout the Greater Portland area.


19. Augusta Fuel Company

AFC Comfort offers dependable delivery of heating oil, propane, and kerosene. They also provide HVAC and comfort equipment installation and service, plumbing and electrical services, and commercial-fuel and equipment services.


Want to find more HVAC companies?


If you want to find more companies that offer a range of solutions including installation, repair, and maintenance you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!