Top-rated water heater pros.

Get matched with top water heater pros in Grafton, MA

There are 12 highly-rated local water heater pros.

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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon32
    Verified water heater services reviews

Find Water heater pros in Grafton

Avatar for Gervais Plumbing & Heating Inc

Gervais Plumbing & Heating Inc

3.71(
7
)
Approved Pro

Gervais Plumbing & Heating Inc

3.71(
7
)
Approved Pro
Customers say: Quick response
57 local quotes requested

18 Years in Business Gervais Mechanical Service LLC is a fully licensed, local, family-run business. With more than 100 years of combined experience, we strive to bring our customers exceptional repair and installation services they can rely on. We offer turnkey solutions for both residential and commercial customers — no job is too large or complex for our expert team.

"Absolute ripoff, along with shady business practices. They were prompt and courteous, but that's about it. The technician came and had to replace a $200 part on my boiler, it took him under an hour to do the work. A simple Google search showed at least 10 places to buy the exact part, all around $200. No other parts were needed for this repair, I researched what is involved. I was charged almost $1000, including their $89 diagnostic fee just to walk in the door. So apparently it's a $600+/hour labor rate? I'm obviously in the wrong line of work. This was not an off hours emergency call either, it was a scheduled appointment in the middle of a weekday. The shadiest part of the entire thing was that on the invoice (that they email you later) they bury all the cost, it's not itemized i.e. labor vs parts cost. It just says replaced (part) = $1000. A super scummy and shady way to run a "professional" business, taking advantage of people who don't know any better. I wouldn't be surprised if they also sell used cars. Never again Gervais. You've all been warned."

Jeffrey J on January 2025

18 Years in Business Gervais Mechanical Service LLC is a fully licensed, local, family-run business. With more than 100 years of combined experience, we strive to bring our customers exceptional repair and installation services they can rely on. We offer turnkey solutions for both residential and commercial customers — no job is too large or complex for our expert team.

"Absolute ripoff, along with shady business practices. They were prompt and courteous, but that's about it. The technician came and had to replace a $200 part on my boiler, it took him under an hour to do the work. A simple Google search showed at least 10 places to buy the exact part, all around $200. No other parts were needed for this repair, I researched what is involved. I was charged almost $1000, including their $89 diagnostic fee just to walk in the door. So apparently it's a $600+/hour labor rate? I'm obviously in the wrong line of work. This was not an off hours emergency call either, it was a scheduled appointment in the middle of a weekday. The shadiest part of the entire thing was that on the invoice (that they email you later) they bury all the cost, it's not itemized i.e. labor vs parts cost. It just says replaced (part) = $1000. A super scummy and shady way to run a "professional" business, taking advantage of people who don't know any better. I wouldn't be surprised if they also sell used cars. Never again Gervais. You've all been warned."

Jeffrey J on January 2025


Avatar for Sila Heating, Cooling, Plumbing and Electrical

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro

Sila Heating, Cooling, Plumbing and Electrical

4.54(
5,210
)
Approved Pro
Customers say: Super punctual
649 local quotes requested
36 years of experience

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


Girouard Plumbing & Heating

4.75(
4
)
Approved Pro

Girouard Plumbing & Heating

4.75(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
39 local quotes requested

We specialize in all phases of heating, cooling and plumbing services-- installs, repairs, maintenance, 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!

"They were reasonable and very good. They were prompt and will recommend them to other people."

Deb B on March 2023

We specialize in all phases of heating, cooling and plumbing services-- installs, repairs, maintenance, 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!

"They were reasonable and very good. They were prompt and will recommend them to other people."

Deb B on March 2023


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
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
957 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


Avatar for Pioneer Basement

Pioneer Basement

4.50(
249
)
Approved Pro

Pioneer Basement

4.50(
249
)
Approved Pro
Customers say: Super punctual
93 local quotes requested
41 years of experience

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


"Bright knows exactly what he's doing and how to fix a major plumbing issue. Very professional, prompt, has very clear communication, is hard working, very hard working, and personable. He has the proper equipment do diagnose and fix the problem in a timely manner. His knowledge of plumbing is also exemplary. It was a pleasure doing business with him and will hire him for future jobs. Thank you Bright!"

Ava D on January 2022

We pride ourselves on reliability, communication, integrity, and quality work. We are experts in our trade. We look forward to earning your business! Please call 978-941 5561 For all drain and sewer services

"Bright knows exactly what he's doing and how to fix a major plumbing issue. Very professional, prompt, has very clear communication, is hard working, very hard working, and personable. He has the proper equipment do diagnose and fix the problem in a timely manner. His knowledge of plumbing is also exemplary. It was a pleasure doing business with him and will hire him for future jobs. Thank you Bright!"

Ava D on January 2022


RNJ Brothers Drain Cleaning

4.75(
8
)
Approved Pro

RNJ Brothers Drain Cleaning

4.75(
8
)
Approved Pro
Customers say: Quality work
30 years of experience
Free onsite estimate

Here at RNJ Brothers Drain Cleaning we take great pride in everything we do! With over 25 years of experience, no job is too big or too small! We look forward to building lasting relationships with each and every client! RNJ Brothers Drain Cleaning - we'll get you unclogged! Give us a call today!

"Very professional and explained each procedure."

Tim M on September 2022

Here at RNJ Brothers Drain Cleaning we take great pride in everything we do! With over 25 years of experience, no job is too big or too small! We look forward to building lasting relationships with each and every client! RNJ Brothers Drain Cleaning - we'll get you unclogged! Give us a call today!

"Very professional and explained each procedure."

Tim M on September 2022


Avatar for Arts Home Improvement, Inc.

Arts Home Improvement, Inc.

4.91(
37
)
Approved Pro

Arts Home Improvement, Inc.

4.91(
37
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
10 local quotes requested

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Lou did a great job! I look forward to him working on this house for years to come. "

Mark R on August 2025

We pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!

"Lou did a great job! I look forward to him working on this house for years to come. "

Mark R on August 2025


Avatar for Zereski Plumbing

Zereski Plumbing

5.00(
7
)
Approved Pro

Zereski Plumbing

5.00(
7
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
26 years of experience

We take great pride in our 20 plus years of experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship, and complete customer satisfaction from start to completion of a project. In order to understand the needs, and exceed the expectations of our customers. We take great care to work, and communicate with every customer in a professional and timely manner to get the job done right. Our reputation is based on unrivaled service, quality and attention to detail, regardless of how large or small the job. We use masks, fresh gloves and shoe covers and treat every job as if it were in our own home and aim to leave our work space cleaner than it was before we started.

"Peter was on time and was efficient putting in our water heater. He offered a fair price and explained the process as he went along. We were very happy with his services and will recommend him highly."

Karen M on June 2023

We take great pride in our 20 plus years of experience, expertise, quality, and customer service that we provide to meet the consumers' needs. It is our mission to provide excellent workmanship, and complete customer satisfaction from start to completion of a project. In order to understand the needs, and exceed the expectations of our customers. We take great care to work, and communicate with every customer in a professional and timely manner to get the job done right. Our reputation is based on unrivaled service, quality and attention to detail, regardless of how large or small the job. We use masks, fresh gloves and shoe covers and treat every job as if it were in our own home and aim to leave our work space cleaner than it was before we started.

"Peter was on time and was efficient putting in our water heater. He offered a fair price and explained the process as he went along. We were very happy with his services and will recommend him highly."

Karen M on June 2023


Pisano's Odd Jobs and Appliances

4.19(
32
)
Approved Pro

Pisano's Odd Jobs and Appliances

4.19(
32
)
Approved Pro
Customers say: Quick response
27 local quotes requested
28 years of experience

At Pisano�s Odd Jobs and Appliances, we are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of quality building, installation, repair and handyman services. You will find us to be competitively priced with close attention to the details of each and every project. We look forward to building long lasting relationships servicing your needs with guaranteed satisfaction.

"He can fix many things"

Carol B on April 2023

At Pisano�s Odd Jobs and Appliances, we are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of quality building, installation, repair and handyman services. You will find us to be competitively priced with close attention to the details of each and every project. We look forward to building long lasting relationships servicing your needs with guaranteed satisfaction.

"He can fix many things"

Carol B on April 2023

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Water Heaters questions, answered by experts

Standard electric water heaters (about 40 gallons) typically need a 30-amp circuit breaker. But if you have a newer model, a tankless water heater, or one that’s more energy efficient, you’ll likely need a higher amperage to power it. 

Having the right size circuit breaker for your water heater is an important part of making sure it heats water efficiently and runs safely. A licensed electrician can help you navigate your options, and determine what you need for your new water heater. 

If you have a tank-type electric water heater, it runs regularly to keep the water at the desired temperature. If you live in a home where you don’t use much hot water, it could seem wasteful to run power to heat water that you’re using infrequently. You could save some power by using a smaller tank, insulating the tank, or lowering the temperature of the water heater.

Going from a tank to a tankless water heater is one of the most effective ways to lower your utility bills. The switch also frees up more space and ensures a consistent hot water supply, as the water is heated on an as-needed basis. It costs between $5,400 and $7,400 to install a new tankless water heater. Most installation companies will also help dispose of your old water tank.

Signs that your water heater needs replacing include rust or corrosion on the tank, persistent leaks, inconsistent heating, strange noises coming from the heater, decreased efficiency, and visible damage. Water heaters over 10 years old may also need to be replaced. However, in some cases, these issues can be fixed with a repair rather than a replacement, so make sure to consult a pro before investing in a new water heater.

A tankless water heater with a flow rate of 10 GPM should replace a conventional 50-gallon water heater. To avoid a surprise cold shower or two and to keep your energy costs in check, it's important to replace a conventional tanked water heater with the equivalent tankless water heater. Your household size and the number of hot-water-using devices you use at once can help you determine the best-size tankless water heater.

The Grafton, MA homeowners’ guide to water heater services

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

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