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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Hegarty Plumbing. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
Some of Hegarty Plumbing's customers have been calling Gerry Hegarty for 25 years. The Quincy plumbing, heating and air conditioning company says Gerard Hegarty founded it in 1998, and it shows 4.7★ from 44 Google ratings. In a February 2026 review, a customer said they have used Hegarty for almost 25 years across several houses for boilers and plumbing, and a 2021 reviewer said the same across five or six properties. The recent jobs lean toward heating and cooling systems. A May 2026 customer said the company removed two boilers from the 1960s and 1980s and two oil tanks and put in new Burnham units. An April 2026 customer described central air and two mini-split systems installed by Eldi and Jace, and a June 2025 customer said Gerry, Joan and the team installed a mini-split, handled the Mass Save rebate paperwork and finished with no changes from the estimate. A 2022 landlord said Gerry called back within five minutes when a tenant's AC failed before a 95° day. There are two complaints. A 2022 Google reviewer said the company never returned their call on a second attempt to hire it, and a 2019 BuildZoom reviewer described horrible treatment on a job arranged through their insurance. Its BBB page is an A+.
“I used Hegarty to convert my oil burning steam boiler to natural gas.”
Hegarty Plumbing (Quincy, MA) removed 2 boilers (from 1960s and 1980s) and 2 oil tanks, then replaced the boilers with new Burnham units (one a gas-fired steam boiler, the other a combi-boiler). Gerry Hegarty is a great guy; very knowledgeable, extremely responsive. Mikey and his assistant did a fantastic job; they mapped out the new installation gas lines like architects, then meticulously completed the installations. They even removed old gas pipe lines and installed new thermostat wiring and a new water shutoff. Cleanup was thorough and the units look amazing and work very well. Joan issued invoices timely and their pricing is very fair. I’d highly recommend Hegarty Plumbing and their team of expert plumbers!!
We had an excellent experience with Hegarty Plumbing for the installation of central air and two mini split systems in our home. From start to finish, the work was handled professionally and with great attention to detail. Eldi and Jace were the technicians on site, and they were absolutely fantastic. They were knowledgeable, efficient, and clearly took pride in their work. They explained the process, kept the work area clean, and made sure everything was done right. The installation went smoothly, and the system works perfectly. It’s not often you find a company that combines quality workmanship with great customer service, but Hegarty Plumbing delivered on both. We would absolutely use them again for future work. Highly recommended!
Hegarty Plumbing was recommended to us by a friend. Both we and our neighbor have used them on a few occasions in the last few months, and the service has been great every time. One time it was an emergency and they acted immediately, sent a crew promptly, and quickly addressed the issue. I would highly recommend them!
I have been using Hegarty Plumbing & Heating for almost 25 years on several houses, replacing boilers and fixing plumbing issues. I appreciate Gerry's prompt response and the quality of work. With the heating furnace down, every day counts
Great service! My heater has been working better than ever since they serviced it a few months ago.
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2 changes recorded — last scanned Aug 3, 2026.
Answers the phone4.3