4.5 
1.2k+ *The Angi rating for Boiler Installation companies in Attleboro, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.
*The HomeAdvisor rating for Boiler Installation companies in Attleboro, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.
Last update on May 14, 2026
Serving Attleboro, MA and surrounding areas
Approved (Corporate)
In business since 1946
Free estimates
Emergency services offered
"Yes, one day install conversion from tank electric to tankless gas with water softener"
+6
Serving Attleboro, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"Dylan did a phenomenal job installing a new boiler as well as diagnosing an issue with another boiler. Highly recommend."
+27
Serving Attleboro, MA and surrounding areas
Approved (Corporate)
Super Service Award Winner
In business since 1948
Free estimates
Emergency services offered
"J.T. came to evaluate installation of an over-the-range microwave. He was very thorough and explained everything so I could understand the complexities of the installation. Very friendly and competent!"
+62
Serving Attleboro, MA and surrounding areas
Approved
In business since 2018
Emergency services offered
Warranties offered
"Not only did Nick replace the hot water heater but also installed a whole house water filter system. Top notch installation very clean and professional. He will be our plumber from now on!"
+3
Serving Attleboro, MA and surrounding areas
Approved
In business since 1928
Emergency services offered
Warranties offered
"I couldn't recommend these guys more. We had a 21-year old boiler replaced and upgraded, and a new hot water tank installed. I can't think of a single way they could have improved the whole process. From start to finish, they were knowledgeable, on time, clean, considerate, extremely professional and they did exactly what they said they would. The also installed a temporary hot water tank and left electric space heaters on the one night the burner was out of service. Everything is now working as they said it would, and a big bonus is their workmanship actually LOOKS great too! A+++"
Serving Attleboro, MA and surrounding areas
Approved
Super Service Award Winner
In business since 2016
Emergency services offered
Warranties offered
"Hot water heater died on Wednesday. Thursday morning I talked with Jordan and a new one was installed at noon on Thursday. He was professional, knowledgeable and had a sense of humor. I am already looking at future work for him."
+7
Serving Attleboro, MA and surrounding areas
Approved
In business since 1980
Free estimates
Emergency services offered
Endless Energy is a trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts with office in Marlborough, Needham, and Randolph. Specializing in Heat Pumps, Central AC, Furnaces, and Boilers, we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation.\n\nWe can help you with: \n*Heating Repairs, Installation, & Service\n*AC Repairs, Installation, & Service\n*Plumbing Repairs, Installation & Service\n*Water Heater Replacement & Service\n*Indoor Air Quality Solutions\n*Ductwork & Line Set Solutions\n*Electrical Panel Upgrades and Replacement\n*Insulation \n*No Cost Home Energy Assessments\n\nA Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!
Serving Attleboro, MA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Chris and his team were a pleasure to work with on our hot water tank and boiler replacement project. We are very happy with the results and look forward to working with them again on future projects."
+14
Serving Attleboro, MA and surrounding areas
Approved
In business since 1944
Free estimates
Emergency services offered
"I appreciated being able to speak with someone in the office to explain my situation (leaking water heater), and having someone come to my home so quickly to go over my options for dealing with the problem. Dylan, Aaron and the entire crew were so professional and knowledgeable about the on-demand hot water system we chose to install. They were a pleasure to work with, and I would highly recommend them to friends in need of similar services."
+56
Serving Attleboro, MA and surrounding areas
Approved
In business since 1975
Free estimates
Emergency services offered
"The technician was very knowledgeable about my boiler system and I loved it when he said that he would start with the cheapest fix first. I trust a person who is looking out for their customer, knowing how expensive things are these days."
+19
From average costs to expert advice, get all the answers you need to get your job done.
The average cost of a boiler installation in Boston depends on the size, system type, and other factors. Keep reading to learn the cost of a new boiler.
Find out the average radiator and boiler repair cost in Boston, MA. Learn what you can expect to pay for local heating services and keep your home warm.
The average boiler installation cost depends on size, system type, and other factors. Keep reading to learn the cost of a new boiler.
Looking for a qualified boiler installation pro? Learn how to find and hire the right professional, from credentials to questions to ask.
Installing a boiler requires care and precaution. Use this checklist to install a boiler safely.
Installing a boiler DIY isn’t recommended without the proper skills and experience. Learn how to safely install a boiler in this guide.
