Defosses Plumbing & Heating
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Plumbing and Heating Contracting new construction, remodeling and repair service, oil/gas hydronic and radiant heating systems, gas piping, gas appliances, standard and tank-less gas water heaters, Water filtration and purification systems, Well pumps and sump pumps installation, Sewer ejector pumps and tanks.

We take great pride in our trade and do nothing less than quality work at a fair and competitive price. As an accredited business and member of the Better Business Bureau with over 35 years of experience in the plumbing and heating industry we are a company that can be trusted to handle all of your plumbing and heating needs and do the job right, Guaranteed.

Dependability is what we are known for and we arrive on time every time unlike most companies that give you a 4 - 6 hour window we give 30 minutes or less window and never leave you waiting because we realize that people's lives are busy and time is too important to be sitting around waiting.
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Started in the plumbing and heating industry in 1978 and established our company in 1986 as a family owned business and is a member of the better business bureau as an accredited business, as the technology changed in the industry we grew with it specializing in the new high efficiency condensing gas boilers and energy star equipment.
When it comes to bathroom remodeling, there are many homeowners who decide to have their old bathroom toilet replaced with a new one. In fact, there are many homeowners who choose to do more than just replace their toilet. If you are planning on remodeling the rest of your bathroom, you will want to make sure that you pick a toilet that will compliment the rest of your soon to be newly remodeled bathroom.
Defosses Plumbing and Heating LLC sells and installs a large variety of direct vent, vent free and conventional vented gas space heaters, fireplaces, cast iron gas woodstoves and wall furnaces from companies such as Rinnai, Empire and Kingsman for a great price and nothing but quailty work.
Defosses Plumbing & Heating LLC is fully licensed by the state of New Hampshire to do all types of residential and commercial gas piping and gas applicance installations. We design all our gas piping and manifolds for a building to meet or exceed the National Fuel Gas Code NFPA54 so the job is done right and the occupants are safe.
Defosses Plumbing And Heating offers a variety of gas and oil energy star boilers and 95% high efficiency condensing gas boilers at a very competitive price. We do nothing but quality work and provide a maintainace and service program so you are never left without heat.
Reviews (6)
Eileen Lynch
Eileen Lynch
Dec 15, 2021
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They came the next day and repaired my propane monitor. Grear job and price was reasonable. Will recommend them. Also been in bussiness for 40 years. Very experienced. Merry Christmas🎅
Melissa DePalma
Melissa DePalma
Aug 03, 2021
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Ray is always very responsive and does excellent work. Highly recommend him!
Shannon Lundy
Shannon Lundy
Aug 17, 2019
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Honest, loyal, dedicated, hard working Father Son team. Have a Plumbing or Heating concern, and want it done right the first time?? Call Defosses Plumbing & Heating l.
Stephen Bradley
Stephen Bradley
Sep 22, 2018
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Fast, helpful, quality work.
My water heater control unit decided to give up on life Wednesday morning. I called Ray, he came over and checked it out just a few hours later.
After determining that it was in fact the control unit, Ray took the time to research whether anyone made a compatible unit (the original maker is out of business, and the tank is 10+ years old) and gave me reasonable options.
I ended up going with a Rinnai tankless system, which Ray got installed on Friday, 48 hours after my initial call.
Yancy O'Donnell
Yancy O'Donnell
Jun 09, 2018
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I would like to thank DeFosses Plumbing & Heating for servicing my boiler. Job well done and they arrived when they said they would.
Scott Martin
Scott Martin
Aug 03, 2017
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Ray DeFosses installed the plumbing for our new home (over a year ago). We've contacted Ray several times with questions and minor issues. Ray has always been very responsive, professional, and very friendly. Recently, we had a frozen drainage line from our humidifier and weren't sure if it was a plumbing problem or an HVAC problem. We left a message with Ray and our HVAC contractor, and although Ray knew it was an HVAC issue from our description, he contacted us immediately. Ray provided a simple yet comprehensive solution for eliminating scale buildup within plumbing lines and fixtures. Ray rates