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Rinnai Tankless Hot Water Heaters


Massachusetts Towns We Serve
  • Boston
  • Andover
  • North Andover
  • Lynnfield
  • Lynn
  • Saugus
  • Melrose
  • Revere
  • Arlington
  • Beverly
  • Boxford
  • Danvers
  • East Boston
  • Gloucester
  • Wakefield
  • Winchester
  • Woburn
  • Burlington
  • Hamilton
  • Manchester By The Sea
  • Belmont
  • Reading
  • North Reading
  • Medford
  • Everett
  • Bedford
  • Wilmington
  • Needham
  • Swampscott
  • Salem
  • Peabody
  • Winthrop
  • Nahant
  • Malden
  • Chelsea
  • Somerville
  • Stoneham
  • Cambridge
  • Topsfield
  • Middleton
  • If you don't see your MA town listed above, call us as we will go to other areas upon request.


    Boiler/Furnace Installations
    Hot Water Heater Replacement
    Gas Heating Contractors
    Complete Plumbing Service

    Our team of Plumbers and Gas Heating technicians at Rich Mathews and Son has been providing the highest quality of gas heating installations for the past 30 years. Our customers think so too.

    Below you will find testimonials on our work, quality, how we operate.

    To check out the work we have done, head off to our pictures page and get a visual on the different types of installations and how neatly everything is laid out.

    “We had Rich come out to our house in Melrose Ma. and give us an estimate on a Munchkin Boiler, a high efficiency gas heating system with a superstor indirect water heater. We got several estimates. Rich was not the cheapest but, he was impressive in his extensive knowledge in gas fitting and the heating field. We requested a Munchkin high efficiency boiler. He gave us the option and comparison to Burnham Boilers, Weil Mclain Boilers, Lochinvar Boilers and Buderus Boilers. He also gave us the option of a Rinnai tankless heater in comparison to the Superstor and a conventional gas water heater. He was very informative on these products as well. I would also like to mention of the four contractors we had in. Rich was the only one who told us about the high efficiency rebates we were entitled to. They came to $1,400 in total and he filled out the forms for us including the water heater installation. We decided to go with Rich. We were extremely satisfied with his professionalism, from start to finish. I would like to add we have investment property in Medford, Winchester, Somerville, Malden, Peabody, Wakefield, Reading, North Reading, Beverly and a summer home in the Cape Ann area . Rich and his workers have been very responsive in maintaining the needs of our properties.”
    AL M. Melrose, Ma.



    “Very satisfied with their Professionalism !: We had a new American Standard Gas Furnace installed. It was a professional experience from start to finish. The work they did was very neat and the workmanship was impeccable.”
    -Mike A. Wakefield MA





    “by Diane R
    Rich is a wonderful plumber. He was clean, sweet and very, very knowledgeable about everything, plumbing related.

    If anything plumbing related happens again (I truly hope not) I will definitely call Rich!”
    Somerville MA




    I had a old State hot water heater that was leaking. I was shopping water heater prices. I went on the internet and did a search for water heater installers. Rich Mathews & Son Inc. showed up with his impressive website. I called Rich and, he came out for a free estimate. He did a water heater price comparison for me. He gave us the option for a Bradford White water heater on the lower price side, A Superstor indirect water heater and a Rinnai tankless both of which were more money but, had energy efficient savings over a period of time. We optioned for the Superstor water heater that came with a $300. rebate through www.gasnetworks.com

    I was very satisfied that he took the time to give us the option of water prices and a water heater price comparison.
    M. Gullino Saugus, Ma.





    “by TAdams
    Rich did a superior job on our home heating system. We have an existing home of 54 years, and the furnace needed replacing. Rich came over and performed the replacement...the result was light years beyond what I had before...and light years beyond any work I have ever had done to my home. This guy is an ARTIST! I actually take people down into my basement and show them his work, because it is so beautiful.”
    Andover MA



    “Rich was knowledgeable in solving our gas heating problems. His business is a true gas heating co. He coordinated with the local gas co., National Grid to convert our system from oil to gas and removed our old oil tank and boiler. The new high efficiency Munchkin boiler installation and superstor was impeccable. Prompt neat service: great job, on our new gas heating system.”
    -Bridget N. Peabody MA



    From Angies List Membership

    Description Of Work:
    Conversion of decades-old oil burner heating system to natural gas, including coordination of utility company rebates. Work included disconnection and removal of old boiler, selection of new energy-efficient gas equipment, assisting homeowner with utility company correspondence for rebate (even bumping me up in utility company delivery schedule), draining and removal of oil tank, chimney lining, new gas furnace installation, all connections, installation and updating of thermostat controls, bleeding and checking all radiators in the house, and all inspections. Also included coordination of sub-trades for oil tank removal and chimney lining.

    Member Comments:
    Where do I start? Rich Mathews is the most responsive and professional residential contractor I've worked with. He is a "master plumber" and it shows; his work is neat and thorough. It's clear he knows his trade when he can size up existing conditions, and his predictions are right on. He fit me into his schedule and got the work done, from equipment order to final inspection, in just 2 or 3 weeks. Once hired, he was consistently on the job, showing up right when he said he would. He found and coordinated subs. He was easy to reach on his cell phone and was great about checking in regularly by phone to update me on daily progress. Highly recommended! P.S. I don't usually rave about contractors like this, but Rich gets all straight "A"s.
    -Sarah M. Melrose, MA



    Description Of Work:
    Oil to gas and steam to hydronic conversion of central heating of owner-occupied first floor apartment in two family installation of natural gas fired high-efficiency Burnham SCG sealed-combustion boiler, installation of new vent and flue through foundation wall, installation of baseboard heaters.

    Member Comments:
    This was the best experience I've ever had with a home services company. We'd been out of town for a couple of major snowstorms and the snow was blocking access to the cellar entrance and the exterior where the vent and flue were to be installed: Rich came over and cleared a path for himself with his own snow blower. There were some issues with the installation due to peculiarities in this old house, like the foundation sill extending a couple of inches inside the line of first floor interior walls, so installing the baseboards resulted in a broken drill bit on the first try and extra work from then on. Not a problem, no complaints, no suggestions of any extra charge although the time to install the baseboards went up by about 50%. Work was started on 20 December with delivery of the boiler and masonry work, completed on 23 December, inspected and signed off by the city inspector on 26 December. A great job and I'll probably hire Rich Mathews & Son when I install central A/C.
    -Steve Medford, MA



    Description Of Work:
    Complete new oil heating system, new configuration and new hot water heater.

    Member Comments:
    It went well. Since we had oil, our job was subcontracted out to someone that does the oil heat products, but it was overseen by Rich. Our job was done on the weekends as the oil person has another job. This worked fine for us. They suggested a new way to do our zones, and a new Weil Mclain Gold oil fired boiler and a Superstor hot water heater that has a lifetime warranty. They were very neat. They removed all the old equipment. The technician left one evening, and we had no hot water and we called him. He came right back as did Rich Mathews himself to make sure everything was fixed and working again.
    -John Winchester, MA