Gammon's HVAC/R
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Gammon's HVAC/R
You and your family want to be in an environment that stays comfortable, even in extreme heat and cold. Smart homeowners know that worry-free, reliable comfort doesn't happen by accident. You need a trustworthy HVAC company to get you there. Let us be your partner in home comfort in Portland!

Should your furnace break down and need emergency service, you'll be glad to know we are reachable after hours and are familiar with most every brand of equipment made.Our experienced, highly-trained HVAC technicians can quickly discover why you need a Furnace repair and fix the problems plaguing your heating system.

Not sure if you should invest in a costly boiler repair or just replace your equipment? We take the time to educate you, present options, and answer your questions so you can decide what's best for your budget. It's your home, your money, and your choice. We fully respect that. You and your family want to sleep, work and play in an environment that stays comfortable, even in extreme heat and cold.
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What do you enjoy doing when you are not working? I enjoy family the most (Golf is pretty close though, Ha). I enjoy spending time with Jenna and our kids. I enjoy skiing in the winter, golf, fix it up projects, I enjoy the gym, camping, and Maine. What certifications do you have/ what are your specialties?
Study up - Find out about license and insurance requirements for contractors in your state. And before you call a contractor, know the model of your current system and its maintenance history. Also, make note of any uncomfortable rooms. This will help potential contractors better understand your heating needs.
Most air conditioners have their capacity rated in BTUs, or British Thermal Units. A BTU is, generally, the amount of heat required to raise the temperature of one pound of water one degree F. Specifically, a BTU is 1,055 joules, but the first definition is easier to understand in real-life terms. One "ton", in heating and cooling terms, is 12,000 BTUs.
Maintain your equipment to prevent future problems and unwanted costs. Keep your cooling and heating system at peak performance by having a contractor do annual pre-season check-ups. Contractors get busy once summer and winter come, so it's best to check the cooling system in the spring and the heating system in the fall.
The systems you now use or choose to have installed may qualify for energy efficiency savings. You may be able to take the credits if you made energy saving improvements to your home located in the United States in 2020. Homeowners may be able to claim federal tax credits equal to 10% of the installed cost for qualifying HVAC improvements, up to a maximum credit of $500.
Reviews (10)
Kelsey Munksgaard
Kelsey Munksgaard
Dec 19, 2021
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Very responsive and reliable company, and it shows from both the administration and service team. Gammon's came through for me when my boiler was down and offered same-week (or next week) installation. The service manager and technicians are professional, knowledgeable and friendly. Overall, great experience.
I highly recommend working with Gammon's!
Bruce Kimball
Bruce Kimball
Oct 27, 2021
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Positive: Professionalism
Jaime is THE BEST—the Daughter of the Owner Bruce—she is NOT riding on his coattails—she’s carving her own path—knowledgeable and friendly and professional—she’s the ENTIRE PACKAGE—cannot recommend her or Gammons enough—they installed both my boiler and heat pumps!!
Service: Install AC
Rudy Lozano
Rudy Lozano
Oct 18, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
Great service, very understanding and prompt service. Fair pricing, neat and professional. I would recommend them any day.
Service: Heating maintenance
Joshua Forest
Joshua Forest
Sep 26, 2021
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I had an amazing experience with Gammon. Carolynn was super helpful, got my work order through SUPER quickly (on the order of a week total before everything was done). Good customer service, the install of a propane boiler and on demand hot water system was all handled in a single day. I switched from oil -> propane in 10 hours. Amazing work!
Tim Kimball
Tim Kimball
Aug 18, 2021
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The install was great, but after a few months and asking a few times for rebate status, the best answers you get our "I'll check into that" and "I thought that was taking care of. I never got any follow ups except one a day later asking if it was OK before I even got to use it. This did get resolved so I am upgrading a star. Would have been 5 star though so Im going to go with I was the 1% that ran into trouble.
Allen Osgood
Allen Osgood
Aug 06, 2021
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7/27/21
Jamie and Kon installed a new 3 zone A/C system. Both were very knowledgeable and their customer relations skills were excellent. 85 degrees as I write with the system working great.
I have just suggested that my neighbors use Gammon's for their A/C requirements.
Al Osgood
York, Maine
Jim Mingle
Jim Mingle
Jun 13, 2021
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I started working with the owner Bruce Gammon by asking for a quote on a new heating system, including a heat pump for a four season porch. His pricing was very competitive and he made me comfortable with the installation and the choices that we made for my home. It turns out his whole organization is very much like him after the sale the support and the help from people in his office is incredible. The person who coordinates the Efficiency Maine Rebates and helps with any of my questions is Debbie and she is outstanding. I have worked with Roger the service manager also he is very knowledgeable
Philip Burke
Philip Burke
Mar 24, 2021
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I have the same issue that Ms Tibet’s has with lack of follow up and payment for the rebates. The lack of response is horrible. Poor treatment of Biddeford Pantry volunteer and resident. Just shameful. It’s going on 2 years now of lip service and no action. I’ve stated a small claims
Josh Russell
Josh Russell
Mar 01, 2021
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Recently I experienced significant issues with my old steam boiler, within a couple of hours of calling Gammon's they arrived to take look and assess whether or not the boiler could be repaired. Unfortunately my old boiler was past the point of repair, and I was provided a quote for a new boiler the same day. Within a couple of days of accepting the quote the Gammon's crew was able to install the new boiler. The crew was professional, curious and I appreciate their willingness to get the job done quickly. Highly recommended, thanks!
Pam Tibbets
Pam Tibbets
Jan 16, 2021
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My problems is not with the equipment or installation. Gammon's has not been responsive concerning my rebate which I have not received. (It was solely their responsibility to submit m paperwork to Efficiency Maine.) The rebate is a substantial amount of money and was a selling point from this company concerning concerning these units. I received installation in August 2020 and have call numerous times inquiring over the last 5 months about the status of my rebate and I never get a consistent answer concerning why I have not received any money. I have asked that Gammon's refund me from their company