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J.C. Shuman Plumbing & Heating is a Boston-area plumbing and HVAC contractor run by Jamin Shuman, whose Massachusetts master plumber licence 16311-PL-M is active on the state registry. It holds 4.9 stars from 93 Google ratings, and its site gives 20 years in business and 24/7 emergency service. Speed is what most customers describe. An April 2026 reviewer said the team showed up within hours of a Saturday call to swap a 50-gallon power-vent water heater. In a June 2026 review, a homeowner quoted over $25,000 for a new boiler said J.C. Shuman found a $98 connector hose was the problem and came back at 6:00 AM the next morning to fix it. A May 2026 customer said he answers the phone himself and arrived with the parts to stop a flood after a DIY job went wrong. The work runs from small jobs, like garbage disposals, faucets and a leveled gas oven, to heat pump and mini-split installs in June and April 2026 reviews. Several property managers and landlords say they use the company for their buildings. A February 2026 two-star reviewer said the plumbing itself was fine but the crew scratched a floor, left rust stains on concrete and damaged drywall, and denied the drywall damage. A July 2026 one-star review, written in Chinese, says the service attitude was very poor.
Jamin has been awesome! Recently moved in and had a couple plumbing issues as well as needing a garbage disposal installed. Timely, easy to schedule, responsive and does a great job everytime. Definitely recommend!
Super fast service and really reasonable!
Expert check on hot water system for a Cambridge home, including thoughtful short and long term maintenance options. Highly recommend!
Awesome service, communication and quickly diagnosed a not so easy problem. I highly recommend them.
I’ve known Jamin, the owner, since I purchased my very first home, and he has been my go-to plumber and HVAC professional ever since. I’ve trusted him with my own home as well as my rental properties for many years. Jamin truly does it all. Whether it’s something small like installing a water line for a refrigerator or laundry hookups, or a major project like replacing a water heater, boiler, or an entire HVAC system, he has always done an excellent job. He has completed full HVAC installations, plumbing systems, new lines, repairs, replacements, and countless smaller projects for me over the years. What really sets Jamin apart is his reliability. Anytime I have an issue at my home or one of my tenants has a problem, he responds immediately and is almost always there the same day. That kind of dependability is extremely hard to find. He is fully licensed, professional, knowledgeable, honest, and trustworthy. His work is always done right, and I know I can call him for practically anything plumbing or HVAC related, big or small. After working with Jamin for so many years, I can confidently say he is the best of the best. I recommend him without hesitation and wouldn’t trust anyone else with my properties. Five stars all the way!
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1 change recorded — last scanned Sep 8, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from J.C Shuman Plumbing & Heating. 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
Transparent diagnostics5.0
Same-day and weekend calls for burst pipes and lost heat5.0
Broad plumbing and HVAC range5.0
Repeat, years-long customers5.0
Water heater and boiler installs5.0
