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Typical Greater Boston range for this kind of work, from regional averages — not a quote from GEM Plumbing & Heating Services, LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
GEM Plumbing & Heating has become one of the busiest names in Massachusetts home service, and its 4.8-star average across 917 Google ratings — with about 650 written reviews collected since 2024 across six sources — points to a company running at real scale. Based in Raynham, it fields separate crews for plumbing, HVAC, electrical and water quality work, and its Massachusetts HVAC license is active on the state registry. Of the roughly 156 reviews posted in the last six months, only four were negative, and the ones that stand out are the emergency calls. A technician named Nick showed up within the hour for a $199 flat emergency fee on Christmas Day to fix a dead furnace, walking the homeowner through how it worked before he left. A January 2026 review described a same-day fix on a gas steam boiler after a different installer had made things worse, and in July 2026 a plumber named Joseph B. replaced a blown hot water tank the same day it burst. Individual technicians get named again and again across trades — Nicole Tradd for plumbing and water testing, David S. for a stopgap HVAC repair followed by a next-morning fix, Corey Mayo for tracking down a hard-to-find part on a split AC system, and Dory and Kevin for untangling a wiring problem that turned out bigger than expected. The recurring complaint, though, is price. Independent 1★ reviews spanning 2024 through mid-2026 describe being quoted $800-plus for a capacitor that costs under $50, a $149 fee charged when no repair was actually done, and a shower-head fix that was billed as a full-part replacement — one reviewer flatly called it a fleecing. A November 2025 review also described a technician sent without the copper pipe and couplings the job needed, a dispatch mix-up that left the home without heat for three days. BBB lists the company as accredited with an A- grade, but also shows 48 complaints on file — worth pinning down pricing in writing before any repair beyond a routine diagnostic. For plumbing, HVAC and electrical work, GEM's size means a same-day or even same-hour response is realistic, and the technician-level praise is consistent across services — but get a firm, itemized price before work begins.
I was not a service call. It’s just a yearly check up on the air conditioner. I did not meet Thomas personally, but my wife said he was very nice man. you must’ve needed a garden hose for something. I noticed it was moved, but it was wrapped very nicely and put back where where he found it. I appreciate that. overall, we were very pleased with the service. Thank you.
Nicholas from GEM was very informative and fixed our problems and gave good advice. Thank you!
Excellent service! Gem Plumbing was professional, responsive, and arrived on time. They quickly identified the issue with the roof drain pipe, clearly explained the repair, and completed the work efficiently. The quality of the workmanship was excellent, and everything was left clean when the job was finished. I would definitely recommend them to anyone looking for a reliable plumber.
Devontay Vaz and his colleague did an excellent job servicing our scheduled maintenance on our Heating and Cooling Mini Split system which is part of our Maintenance Plan. They took the time to explain the process from start to finish. They also made sure to explain the future unit maintenance after the summer season, which we found VERY helpful. We have been members of Gem Heating and Plumbing for years now. As always, the technicians were polite, professional, and knowledgeable about their work. With life being busy, Gem always call us as a reminder to make these scheduled appointments. Thank you, Gem Plumbing!!
Nicole Tradd from GEM came out to perform a water test, and she was outstanding. She was professional, knowledgeable, and took the time to explain everything clearly without any pressure. Her expertise and excellent customer service gave us a great impression of GEM. Because of our experience with Nicole, we’ll absolutely be using GEM for our future plumbing, electrical, and HVAC needs. Highly recommend!
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Certified attributes are verified against the public registry. Others are the business's own statement.
Established 3.7 rating
MassSave rebate help4.8
Tough diagnostics solved4.8
Persistent on tough fixes3.6
AC/furnace replacement3.4