Southern New Hampshire Plumbing and Heating

$$ • plumber, Plumbing, Heating & Air Conditioning/HVAC, Water Heater Installation/Repair

39 Rockingham Rd, Londonderry, New Hampshire 03053
(603) 289-1421

Reviews

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  • Michael Casallas
    Jul 2026

    Had a great experience with Addario’s Plumbing, Heating & Cooling during my recent heat pump installation. I especially want to recognize Josh Stasio, who was very professional, informative, and helpful throughout the process.

    Josh took the time to explain the best options for our home and made sure we understood everything before moving forward. The installation went smoothly, and we felt confident knowing we were in good hands.

    I highly recommend Addario’s Plumbing, Heating & Cooling and truly appreciate the excellent service from Josh and the team.

  • Gregory Dewire
    Jul 2026

    100% best service. Not only did they come out same day to inspect what was needed for a dishwasher install they also came back first thing in the morning.

  • Dawn Calnan
    Jul 2026

    Great job. Done same day with great results.

  • Susannah Kay
    Jun 2026

    Repeated failures:
    Not the technician's fault, but how the business is run is poor, at best. $300 to just make an appointment (charged my card only to schedule it) when we lost heat, waited over 12 hours in the cold for the guy to arrive- who told me he had just be told of the appointment, that it had never been on the books, then another $300+ for the service. Second time we lost heat- same thing, I thought it was a fluke- nope.

    Now- I made an appointment to get a quote to either fully replace or repair our furnace- and I get a text the morning of the appointment cancelling it as they have their facts wrong. No phone call, just a text, after I rearranged a work day to clear time for this appointment.

    AI answers your calls, makes appointments that are not actually available. Overall- may have been good at one point- but too expensive, irregular service, and huge fees for lackluster service and a really frustrating AI at the administrative level to work with.

    The firm has hired nice technicians, and I understand it is not their fault- but I have lost faith in their honesty and integrity.

    I am finding a new firm to handle this (potentially) large project.

  • Sally Papi
    Jun 2026

    I called about my water heater leaking around 11:30 am and Matthew was at my house by 1:00. He looked over everything and said I needed a new one. At 3:00, James and Jason were at my house installing a new water heater. They did a great job.

  • Nancy Pinti
    Jun 2026

    The young men Sean and Doug were efficient and polite. Assisting me with the hot water tank issue, it was resolved quickly.

  • 大久保直樹
    Jun 2026

    Professional service

  • Curtis Ranta
    Jun 2026

    Not reliable at all and no showed two appointments

  • Roy Fowler
    Jun 2026

    Very organized installation of the split system mini AC

  • William J Marsden Jr
    Jun 2026

    Reginald and Bobby were great! They explained everything up front and got our kitchen faucet working again as good as new!! Thanks again guys!! Billy Marsden & Eileen Hughes Woburn Ma

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Southern New Hampshire Plumbing and Heating

39 Rockingham Rd, Londonderry

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Hours

Monday: 7:30AM - 4PMTuesday: 7:30AM - 4PMWednesday: 7:30AM - 4PMThursday: 7:30AM - 4PMFriday: 7:30AM - 4PMSaturday: Open 24 hoursSunday: Open 24 hours