Southern New Hampshire Plumbing and Heating

New Year's Day, no heat, and the only person who'd come out was Andrew Chesney — who then spent two or three hours hand-pumping frozen oil lines in a 40-degree basement until the boiler ran, and charged what the customer called a reasonable price. That 2021 review sets the tone for the rest of the file: this Londonderry shop is built around the call you make when the heat quits. The pattern repeats across the years. In February 2026 a boiler failed in a cold snap and the crew replaced the whole unit within hours. On a weekend in December 2025 a customer with a leak inside a wall was told the emergency hourly rate before anyone rolled, had a plumber there within the hour, and the leak was closed in under one. In April 2026 the owner arrived in fifteen minutes on a job another company had quoted far higher. Its New Hampshire plumbing licence, number 5080, is active in the state registry under Andrew M Chesney, and Google carries 4.9 stars across 458 ratings over 267 reviews since 2021. The day work is broader than emergencies. A June 2026 customer had the entire house repiped along with leak and drain work. In May 2026 a couple building an accessory dwelling unit had the plumbing, HVAC and electrical coordinated for them. Earlier jobs include a six-zone mini-split system, an oil tank replacement with the oil transferred over, a heat pump conversion where the crew showed the homeowner the cracks in the old propane furnace's heat exchanger before recommending they replace it, and — this August — a water treatment system for a house that turned out to have radon in the water. One March 2026 reviewer singled out something else worth noting: the technician explained the problem without talking down to her. The complaints are few and mostly about the office and the last ten percent of a job. A 2022 one-star reviewer says a baseboard install left a line on the furnace that leaked overnight into the basement, that a popping noise in the baseboard was never actually fixed across return visits, and that voicemails went unanswered. In June 2025 a two-star reviewer asked for an itemized bill on an $889 toilet installation, says the office was short about it, and says the bill did not match what they were told. Smaller notes: a 2025 technician went to the wrong address first and basement access wasn't flagged ahead of time, and another left a toilet handle loose after the repair. The right call for heat and hot water emergencies, boiler and mini-split work, and repiping. Ask for the itemized price and the emergency rate up front, and walk the finished job before the truck leaves.