
Get matched with top boiler installation pros in Watertown, MA
There are 31 highly-rated local boiler installation pros.
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Verified Reviews for Boiler Installation pros in Watertown, MA
*The Angi rating for Boiler Installation companies in Watertown, 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 Watertown, 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 November 18, 2025
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H L Bowman
H L Bowman
HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.
"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"
Lena W on August 2025
HL Bowman has been in the same location for 38 years and owned by the same family for over 65 years. HL Bowman is a non commission based company. HL Bowman employees will never upsell you a product you don't need. Dennis and Bryan Enders and his family have deep roots in the Harrisburg community. After 65 years Dennis and family stay committed to giving the community the best possible service and product to fit their needs. HL Bowman has won Angie's List super service award every year.
"Exceptional service from the initial diagnosis to repair, superb team. I appreciated everyone's thoroughness, willingness and honest business tactics. They provided a safe environment for me to ask questions and we explored all options. Ultimately, Joshua, sealed the deal by being caring and understanding. His expertise showed but most importantly his work ethics and integrity was felt. Many thanks to the whole team Brett, Joshua, Jason and Peter delivered Top notch service. Lastly, the communication was A+. Loved receiving text messages with photo id's, true professionals. Highly recommend! You won't be disappointed!"
Lena W on August 2025

Sila Heating, Cooling, Plumbing and Electrical
Sila Heating, Cooling, Plumbing and Electrical
Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!
"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."
Jonathan P on November 2025
Live Your Most Comfortable Life with a Company You Trust. We offer Same Day Service and Next Day Installation! Sila has been the center of delighting homeowners since 1989, with our team of engineers, certified technicians, and system designers that are proud to deliver the highest level of expertise in the HVAC industry. Whether it’s a repair, replacement, installation, or service, we have an unwavering commitment to keeping you and your family comfortable and safe — season after season. We guarantee satisfaction and are proud to have earned over 7,000 “A” ratings on Angie’s List and its prestigious Super Service Award!
"Great, as always. Sila is outstanding. We have a service contract with them for our furnace and AC and they keep them in tip-top shape. And when we have an urgent or emergency situation (heating, cooling, plumbing, electrical), they're who we call."
Jonathan P on November 2025

Cotti-Johnson Heating-Cooling-Electrical
Cotti-Johnson Heating-Cooling-Electrical
Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.
"Happy with the work, and the customer service. Will definitely call on them for future work."
Fran P on June 2025
Experiencing issues with your heating, air conditioning, plumbing, or electrical systems? Cotti-Johnson is your reliable one-stop shop for all home comfort needs. From simple fixes to large-scale projects, our professional team handles everything with honesty and expertise. We offer 24/7 emergency services and specialized design services for landscape and indoor lighting. Trust us for top-notch, efficient, and transparent service. Visit our website at callcotti.com or call us at (833) 826-8844 to see how we can improve your home's comfort and efficiency.
"Happy with the work, and the customer service. Will definitely call on them for future work."
Fran P on June 2025

RC Mechanical Inc.
RC Mechanical Inc.
We specialize in plumbing services, repairs, inspections, installations, drain cleaning, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!
"We had the best experience, super knowledgeable and trust worth and quick!"
Ali C on August 2024
We specialize in plumbing services, repairs, inspections, installations, drain cleaning, and more! We guarantee your satisfaction, and we won’t leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!
"We had the best experience, super knowledgeable and trust worth and quick!"
Ali C on August 2024

Pioneer Basement
Pioneer Basement
Additional service area - Cohasset, Fitchburg, Worcester, portions of Chelsea-Saugus, Chelmsford Counties. South Shore & Cape Cod and All of Rhode Island. Family owned and operated since 1984. Additional email - [email protected]. Additional phone - (800) 439-0788. Additional DBA - Pioneer Basement Waterproofing Inc.
"Went well. pumps replaced"
Esther H on August 2022
Additional service area - Cohasset, Fitchburg, Worcester, portions of Chelsea-Saugus, Chelmsford Counties. South Shore & Cape Cod and All of Rhode Island. Family owned and operated since 1984. Additional email - [email protected]. Additional phone - (800) 439-0788. Additional DBA - Pioneer Basement Waterproofing Inc.
"Went well. pumps replaced"
Esther H on August 2022

LCS CONSTRUCTION INC
LCS CONSTRUCTION INC
Call us today for all your tiling needs! (617) 669-2676 Specialist in kitchen remodeling, ceramic placement, granite countertops. l will be really happy to help you on your project.
"The whole project went faster than I expected. LCS we’re very transparent and responsive. Always showed up according schedule making sure everything is moving along. All this within a very affordable pricing."
Alon R on January 2023
Call us today for all your tiling needs! (617) 669-2676 Specialist in kitchen remodeling, ceramic placement, granite countertops. l will be really happy to help you on your project.
"The whole project went faster than I expected. LCS we’re very transparent and responsive. Always showed up according schedule making sure everything is moving along. All this within a very affordable pricing."
Alon R on January 2023

Allied Builders Group
Allied Builders Group
Allied Group is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customer's interests, and make their concerns the basis of our business. General Contractor
"I recently had the pleasure of working with Allied Group for my home addition project, and I cannot recommend them highly enough! From the initial consultation to the final touches, the entire experience was exceptional. The team at Allied Group demonstrated professionalism and expertise every step of the way. They took the time to understand my vision and offered valuable insights that enhanced the design. Their attention to detail was impressive, and they kept me informed throughout the process, ensuring that I was comfortable and satisfied with every decision. The craftsmanship is truly top-notch. The quality of the work exceeded my expectations, with beautiful finishes and a seamless integration with the existing structure of my home. It's clear that they take great pride in their work, and it shows in the final result. Moreover, the project was completed on time and within budget, which is a testament to their efficiency and dedication. The team was always courteous, respectful, and willing to go the extra mile to ensure my satisfaction. If you're considering a home addition, look no further than Allied Group. They transformed my space into something I absolutely love, and I look forward to enjoying my new addition for years to come! Thank you, Allied Group, for your outstanding work!"
Allyson L on July 2025
Allied Group is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customer's interests, and make their concerns the basis of our business. General Contractor
"I recently had the pleasure of working with Allied Group for my home addition project, and I cannot recommend them highly enough! From the initial consultation to the final touches, the entire experience was exceptional. The team at Allied Group demonstrated professionalism and expertise every step of the way. They took the time to understand my vision and offered valuable insights that enhanced the design. Their attention to detail was impressive, and they kept me informed throughout the process, ensuring that I was comfortable and satisfied with every decision. The craftsmanship is truly top-notch. The quality of the work exceeded my expectations, with beautiful finishes and a seamless integration with the existing structure of my home. It's clear that they take great pride in their work, and it shows in the final result. Moreover, the project was completed on time and within budget, which is a testament to their efficiency and dedication. The team was always courteous, respectful, and willing to go the extra mile to ensure my satisfaction. If you're considering a home addition, look no further than Allied Group. They transformed my space into something I absolutely love, and I look forward to enjoying my new addition for years to come! Thank you, Allied Group, for your outstanding work!"
Allyson L on July 2025

Quality Construction
Quality Construction
Serving Boston's North and South Shore for the past twenty years. Free estimates available. Both large and small jobs welcomed. Fully licensed and insured. Work is always done to the customer's satisfaction.
"Phil remodeled my whole kitchen. He remolded my bathroom into a new full bath. His workmanship is excellent and his idea and design is good. His price is very reasonable. I will definitely hire him again for my next remodel job."
J L on March 2025
Serving Boston's North and South Shore for the past twenty years. Free estimates available. Both large and small jobs welcomed. Fully licensed and insured. Work is always done to the customer's satisfaction.
"Phil remodeled my whole kitchen. He remolded my bathroom into a new full bath. His workmanship is excellent and his idea and design is good. His price is very reasonable. I will definitely hire him again for my next remodel job."
J L on March 2025

SILMAC Construction Inc.
SILMAC Construction Inc.
We do mainly Baths, Kitchens and Basements renovations, starting with demolition and delivering a final product, including carpentry, electric, plumbing, tiling, painting and cabinets installation. However, any kind of renovations are welcomed. Interior Designer, Architect and Structural Engineers available. Our professionals are all Licensed and Insured.
"Joe and his team did an incredible job, the work was excellent and I appreciated the workmanship and the creative trouble-shooting (it's an old house!) to get excellent results. Everyone on his team was great: skilled, hard-working, friendly, and kind/respectful. Pricing was very reasonable and allowed me to upgrade items like appliances without sacrificing the scope of the remodel, quality, or workmanship. My house is transformed and I could not be happier with the results."
Camille L on March 2025
We do mainly Baths, Kitchens and Basements renovations, starting with demolition and delivering a final product, including carpentry, electric, plumbing, tiling, painting and cabinets installation. However, any kind of renovations are welcomed. Interior Designer, Architect and Structural Engineers available. Our professionals are all Licensed and Insured.
"Joe and his team did an incredible job, the work was excellent and I appreciated the workmanship and the creative trouble-shooting (it's an old house!) to get excellent results. Everyone on his team was great: skilled, hard-working, friendly, and kind/respectful. Pricing was very reasonable and allowed me to upgrade items like appliances without sacrificing the scope of the remodel, quality, or workmanship. My house is transformed and I could not be happier with the results."
Camille L on March 2025

Mouradian Plumbing & Heating
Mouradian Plumbing & Heating
With over 20 years of experience, boilers and water heaters are our specialty. - High Efficiency and Combination Boilers - Tankless Water Heaters - Heat Pump Water Heaters - Steam Boilers - Standard Hot Water Boilers - Standard Tank Water Heaters
"The owner Eric was very responsive. He came over to measure and give me a quote very quickly and was able to have the work done the next morning. Kyle and Charlie that did the work did a good job, were professional, did clean work. They did a good job helping me understand the process."
Ben B on July 2024
With over 20 years of experience, boilers and water heaters are our specialty. - High Efficiency and Combination Boilers - Tankless Water Heaters - Heat Pump Water Heaters - Steam Boilers - Standard Hot Water Boilers - Standard Tank Water Heaters
"The owner Eric was very responsive. He came over to measure and give me a quote very quickly and was able to have the work done the next morning. Kyle and Charlie that did the work did a good job, were professional, did clean work. They did a good job helping me understand the process."
Ben B on July 2024
The Watertown, MA homeowners’ guide to boiler installation services
From average costs to expert advice, get all the answers you need to get your job done.

Tankless water heater costs depend on the size of your water heater, location, fuel type, and more. Keep reading to calculate your expenses.

Learn about the different factors that go into water heater gas valve replacement costs to see if you should DIY the project or call a pro.

Looking to replace or upgrade your water heater? Use this water heater replacement cost guide to see what the work will cost and what factors affect your total.

Learn all the factors that influence the cost to install a heat pump water heater at your home.

If your showers are lukewarm, you could have a water heater issue. This guide explains how to replace a water heater element to solve the problem.

If your water heater is leaking from the top, it's time to troubleshoot. Here are common reasons this happens and what your next steps should be.
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