Top-rated tankless water heater installers.

Get matched with top tankless water heater installers in Holliston, MA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Tankless water heater installers in Holliston

Trudo Plumbing & Heating

4.82(
12
)
Approved Pro

Trudo Plumbing & Heating

4.82(
12
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 years of experience

I am honest and hard working. I strive to maintain a high level of service and quality from start to finish. I will improve the plumbing in your house so that you have a higher quality of living.

"Always responded to every call or email and was very responsible about showing up."

Mary Jane S on November 2019

I am honest and hard working. I strive to maintain a high level of service and quality from start to finish. I will improve the plumbing in your house so that you have a higher quality of living.

"Always responded to every call or email and was very responsible about showing up."

Mary Jane S on November 2019


"At J. Gudiell Landscape, we specialize in transforming outdoor spaces with various services, from landscape design to hardscaping and maintenance. Our team takes pride in providing custom solutions tailored to each client?s unique needs. Some of our most successful projects include creating lush, functional gardens for residential properties and designing stunning outdoor living spaces. With attention to detail and a passion for excellence, we?ve earned a reputation for delivering high-quality results that enhance both the beauty and value of every property we work on. J. Gudiell Landscape offers expert Landscaping in Framingham and Bellingham, MA. We specialize in custom landscape design, hardscaping, irrigation, and maintenance. Whether enhancing curb appeal or creating outdoor retreats, our team delivers high-quality results. Explore our Framingham and Bellingham Landscaping services. visit:https://jgudiellandscape.com/landscaping-bellingham-ma/"

J Gudiel L on February 2025

Established in 2005, Keith Plumbing and Heating is a family operated business serving all of MA. We offer expert installation, maintenance and repair services by a team of highly qualified individuals

"At J. Gudiell Landscape, we specialize in transforming outdoor spaces with various services, from landscape design to hardscaping and maintenance. Our team takes pride in providing custom solutions tailored to each client?s unique needs. Some of our most successful projects include creating lush, functional gardens for residential properties and designing stunning outdoor living spaces. With attention to detail and a passion for excellence, we?ve earned a reputation for delivering high-quality results that enhance both the beauty and value of every property we work on. J. Gudiell Landscape offers expert Landscaping in Framingham and Bellingham, MA. We specialize in custom landscape design, hardscaping, irrigation, and maintenance. Whether enhancing curb appeal or creating outdoor retreats, our team delivers high-quality results. Explore our Framingham and Bellingham Landscaping services. visit:https://jgudiellandscape.com/landscaping-bellingham-ma/"

J Gudiel L on February 2025


Avatar for G&C Plumbing and Heating, LLC

G&C Plumbing and Heating, LLC

4.97(
38
)
Approved Pro

G&C Plumbing and Heating, LLC

4.97(
38
)
Approved Pro
Super Service Award
115 local quotes requested
21 years of experience

At G&C Plumbing & Heating, our mission is to set the standard for customer service in the plumbing and HVAC industry. We take pride in delivering reliable, high-quality solutions with the professionalism and care every customer deserves. From water heater installations to heating and cooling repairs, our skilled technicians provide honest communication, upfront pricing, and exceptional workmanship—no surprises, ever. As a family-owned business serving our community for 20 years, we believe in doing things the right way—with honesty, integrity, and respect. Our technicians receive ongoing training to ensure expert service from start to finish, whether you’re speaking with our office staff, scheduling a visit, or working with a service technician in your home. We’re proud to keep our community comfortable year-round and are grateful for the continued trust and referrals from our loyal customers.

"Evan and his partner fixed everything perfectly. They were knowledgeable, very competent, respectful and didn’t leave a mess. Would definitely recommend G&C Plumbing and Heating."

Phyllis M on January 2026

At G&C Plumbing & Heating, our mission is to set the standard for customer service in the plumbing and HVAC industry. We take pride in delivering reliable, high-quality solutions with the professionalism and care every customer deserves. From water heater installations to heating and cooling repairs, our skilled technicians provide honest communication, upfront pricing, and exceptional workmanship—no surprises, ever. As a family-owned business serving our community for 20 years, we believe in doing things the right way—with honesty, integrity, and respect. Our technicians receive ongoing training to ensure expert service from start to finish, whether you’re speaking with our office staff, scheduling a visit, or working with a service technician in your home. We’re proud to keep our community comfortable year-round and are grateful for the continued trust and referrals from our loyal customers.

"Evan and his partner fixed everything perfectly. They were knowledgeable, very competent, respectful and didn’t leave a mess. Would definitely recommend G&C Plumbing and Heating."

Phyllis M on January 2026


Walls Plumbing and Heating

4.83(
103
)
Approved Pro

Walls Plumbing and Heating

4.83(
103
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 years of experience

Walls Plumbing and Heating is a locally owned and operated company. We provide over 10 years of experience, and top notch customer service. Our owner, Kevin Walls, is on every project,so our customers always deal with a decision maker. Please call us to make sure your project is completed properly the first time.

"Kevin was highly recommended via a post I made on Facebook looking for a local plumber. He arrived at my home that day to assess the issue we had with our bathroom sink. He then told me his game plan for the following day to remedy our leaking, plugged drain. He showed up the following morning and by noon time he was finished. Left the bathroom in better shape than it was in. He even replaced the plunger in the sink because he noticed a small leak there too. Removed the wainscoting and removed the wall behind it and was able to reuse the wainscoting and trim mold back as if nothing was disturbed. I would highly recommend using him in the future and would refer him to my friends as well. Thank you Kevin and your crew!"

Mark D on December 2023

Walls Plumbing and Heating is a locally owned and operated company. We provide over 10 years of experience, and top notch customer service. Our owner, Kevin Walls, is on every project,so our customers always deal with a decision maker. Please call us to make sure your project is completed properly the first time.

"Kevin was highly recommended via a post I made on Facebook looking for a local plumber. He arrived at my home that day to assess the issue we had with our bathroom sink. He then told me his game plan for the following day to remedy our leaking, plugged drain. He showed up the following morning and by noon time he was finished. Left the bathroom in better shape than it was in. He even replaced the plunger in the sink because he noticed a small leak there too. Removed the wainscoting and removed the wall behind it and was able to reuse the wainscoting and trim mold back as if nothing was disturbed. I would highly recommend using him in the future and would refer him to my friends as well. Thank you Kevin and your crew!"

Mark D on December 2023


M.A. Paone Plumbing & Heating

4.66(
430
)
Approved Pro

M.A. Paone Plumbing & Heating

4.66(
430
)
Approved Pro
Customers say: True professional
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
112 local quotes requested

We are 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 customers' interests and make their concerns the basis of our business.

"Michael was the consummate professional and did the work promptly, according to my needs. The contract price was reasonable and I am very satisfied with the quality of the natural gas heater that was installed. He was also friendly and informative so I felt comfortable with all that was done."

Jerome P on December 2025

We are 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 customers' interests and make their concerns the basis of our business.

"Michael was the consummate professional and did the work promptly, according to my needs. The contract price was reasonable and I am very satisfied with the quality of the natural gas heater that was installed. He was also friendly and informative so I felt comfortable with all that was done."

Jerome P on December 2025


"Top notch vikki had her guys here asap to check my old a/c unit out when the tech said it was gone that Monday the appraiser came out 2 days after that had quote and a week after that install in 1 day . Guys where awesome new what they where doing had it done in no time... highly recommend for any a/c our heating issues awesome people..thank you advance especially vikki she was awesome. "

Leo B on July 2025

Advanced Energy Concepts was established in your community in 1990. Our main focus is energy conservation. Advanced Energy concepts also does a variety of plumbing services for your residential home

"Top notch vikki had her guys here asap to check my old a/c unit out when the tech said it was gone that Monday the appraiser came out 2 days after that had quote and a week after that install in 1 day . Guys where awesome new what they where doing had it done in no time... highly recommend for any a/c our heating issues awesome people..thank you advance especially vikki she was awesome. "

Leo B on July 2025


Avatar for Trust 1 Services LLC

Trust 1 Services LLC

4.64(
11
)
Approved Pro

Trust 1 Services LLC

4.64(
11
)
Approved Pro
Super Service Award
6 years of experience
Free onsite estimate

With over 100 years of experience, Trust 1 Heating, Cooling, Plumbing 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 customers' interests, and make their concerns the basis of our business.

"Eric arrived at my apartment on time and did a great job replacing my bathroom sink faucet and popup stopper in no time. He also found a leaking shut off valve under the sink, which I did not notice initially, and fixed this one too. My experience with Eris is that he is a seasoned professional but also a nice and friendly person. I can highly recommend Eric for all your plumbing repairs."

Ivan A on October 2025

With over 100 years of experience, Trust 1 Heating, Cooling, Plumbing 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 customers' interests, and make their concerns the basis of our business.

"Eric arrived at my apartment on time and did a great job replacing my bathroom sink faucet and popup stopper in no time. He also found a leaking shut off valve under the sink, which I did not notice initially, and fixed this one too. My experience with Eris is that he is a seasoned professional but also a nice and friendly person. I can highly recommend Eric for all your plumbing repairs."

Ivan A on October 2025


Avatar for Addario, Inc.

Addario, Inc.

3.99(
237
)
Approved Pro

Addario, Inc.

3.99(
237
)
Approved Pro
Customers say: True professional
394 local quotes requested
28 years of experience

Over 70,000 Massachusetts homeowners trust Addario's for peace of mind. For nearly 30 years, we've kept homes comfortable with heat that stays on, clean water, and reliable systems. We've served 50,000+ families with true craftsmanship and integrity. A+ BBB rated with the region's strongest warranty, we're the company your neighbors recommend. As one of the state's fastest-growing companies, we're licensed, insured, and fully equipped for plumbing, heating, cooling, electrical, drain cleaning, sewer replacement, generators, bathroom remodels, and more. Our 50+ expert team doesn't just fix problems—we prevent them. Every service includes a personalized Homeowner's Maintenance Checklist to protect your investment. When your heating or cooling isn't working right, we don't guess. We fix it fast, completely, and correctly the first time. You just call Addario's—and consider it handled.

"there was only fixed one leak and there were two and i was charged a high rate for a diagnostic "

Anthony Z on December 2025

Over 70,000 Massachusetts homeowners trust Addario's for peace of mind. For nearly 30 years, we've kept homes comfortable with heat that stays on, clean water, and reliable systems. We've served 50,000+ families with true craftsmanship and integrity. A+ BBB rated with the region's strongest warranty, we're the company your neighbors recommend. As one of the state's fastest-growing companies, we're licensed, insured, and fully equipped for plumbing, heating, cooling, electrical, drain cleaning, sewer replacement, generators, bathroom remodels, and more. Our 50+ expert team doesn't just fix problems—we prevent them. Every service includes a personalized Homeowner's Maintenance Checklist to protect your investment. When your heating or cooling isn't working right, we don't guess. We fix it fast, completely, and correctly the first time. You just call Addario's—and consider it handled.

"there was only fixed one leak and there were two and i was charged a high rate for a diagnostic "

Anthony Z on December 2025


Avatar for Cotti-Johnson Heating-Cooling-Electrical

Cotti-Johnson Heating-Cooling-Electrical

4.68(
155
)
Approved Pro

Cotti-Johnson Heating-Cooling-Electrical

4.68(
155
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
571 local quotes requested

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


"Bought a heat pump from them 3 years ago. Cooling has never worked in the summer, heating fails twice every year in winter. Even when it works it can't heat the house over 65 degrees. The problem is always the same, a leak in the line they installed. Instead of fixing the leak, they refill the refrigerant every time and charge me a few hundred dollars. Every time I have helpfully told them about the continuing leak issue, but they don't listen. Now that the heat pump is out of warranty they are recommending a $3000 repair of the problem they should have fixed three years ago."

David B on September 2024

Heritage Home Service is proud to serve residents from Massachusetts. We are the area’s premier home services provider and for 35+ years, we’ve brought the Heritage touch to homes throughout the state.

"Bought a heat pump from them 3 years ago. Cooling has never worked in the summer, heating fails twice every year in winter. Even when it works it can't heat the house over 65 degrees. The problem is always the same, a leak in the line they installed. Instead of fixing the leak, they refill the refrigerant every time and charge me a few hundred dollars. Every time I have helpfully told them about the continuing leak issue, but they don't listen. Now that the heat pump is out of warranty they are recommending a $3000 repair of the problem they should have fixed three years ago."

David B on September 2024

...
Showing 1-10 of 1029

The Holliston, MA homeowners’ guide to tankless water heater installations

From average costs to expert advice, get all the answers you need to get your job done.