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There are 25 highly-rated local water heater pros.

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  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon35
    Verified water heater services reviews

Find Water heater pros in Dover

Avatar for Beacon Drain Service, LLC

Beacon Drain Service, LLC

401R Neponset Street
5.00(
16
)
Approved Pro

Beacon Drain Service, LLC

401R Neponset Street
5.00(
16
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
47 local quotes requested

*FREE CAMERA INSPECTION* with any sewer cleaning. We provide on-demand high quality commercial and residential drain cleaning services. We take pride in our high quality work and cleanliness, we also take even greater pride in our low prices. We have only experienced techs with a minimum of 6 plus years in drain cleaning, we provide camera work, small drains such as sinks and tubs all the way up to main sewer lines. We also provide excavation services if any drains need to be replaced.

"They did a great job. They were able to use a small pump to pump the waste water out before replacing the broken pump. The other company wanted us to pay for a pump truck costing $600 before giving the estimate."

Mei W on November 2024

*FREE CAMERA INSPECTION* with any sewer cleaning. We provide on-demand high quality commercial and residential drain cleaning services. We take pride in our high quality work and cleanliness, we also take even greater pride in our low prices. We have only experienced techs with a minimum of 6 plus years in drain cleaning, we provide camera work, small drains such as sinks and tubs all the way up to main sewer lines. We also provide excavation services if any drains need to be replaced.

"They did a great job. They were able to use a small pump to pump the waste water out before replacing the broken pump. The other company wanted us to pay for a pump truck costing $600 before giving the estimate."

Mei W on November 2024


Avatar for Rodenhiser Home Services

Rodenhiser Home Services

325 Hopping Brook Rd
4.39(
506
)
Approved Pro

Rodenhiser Home Services

325 Hopping Brook Rd
4.39(
506
)
Approved Pro
Customers say: Super punctual
394 local quotes requested
97 years of experience

When it comes to great service for your home or business, it doesn't get better than the professionalism and dedication of Rodenhiser. It's an unsurpassed level of service built on a promise that ensures you get the very best - when you call Rodenhiser your satisfaction is guaranteed. With 90+ years of delighted residential and commercial clients, you can be sure that it's a promise that Rodenhiser delivers on every day.

"The work was done correctly and promptly, but quite expensive. On the plus side, he presented all the options and didn't really try to upsell. Just the facts."

Stephen M on August 2024

When it comes to great service for your home or business, it doesn't get better than the professionalism and dedication of Rodenhiser. It's an unsurpassed level of service built on a promise that ensures you get the very best - when you call Rodenhiser your satisfaction is guaranteed. With 90+ years of delighted residential and commercial clients, you can be sure that it's a promise that Rodenhiser delivers on every day.

"The work was done correctly and promptly, but quite expensive. On the plus side, he presented all the options and didn't really try to upsell. Just the facts."

Stephen M on August 2024


Avatar for Sila Heating, Cooling, Plumbing and Electrical

Sila Heating, Cooling, Plumbing and Electrical

12 Manison St
4.54(
5,209
)
Approved Pro

Sila Heating, Cooling, Plumbing and Electrical

12 Manison St
4.54(
5,209
)
Approved Pro
Customers say: Super punctual
673 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!

"Charged $2,000 (that's right, $2,000!) to install a new sprayer faucet and soap dispenser in Boston. $1,500 went to labor, which took less than 2 hours. I'm sorry, but $750/hr is outrageous. I did pay it because I wanted to expedite solving the problem for the tenants, but I now regret as their dishwasher is not working and I suspect the plumber failed to reconnect everything probably."

Joel R on August 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!

"Charged $2,000 (that's right, $2,000!) to install a new sprayer faucet and soap dispenser in Boston. $1,500 went to labor, which took less than 2 hours. I'm sorry, but $750/hr is outrageous. I did pay it because I wanted to expedite solving the problem for the tenants, but I now regret as their dishwasher is not working and I suspect the plumber failed to reconnect everything probably."

Joel R on August 2025


Avatar for Gervais Plumbing & Heating Inc

Gervais Plumbing & Heating Inc

9 Town Forest Rd,
3.71(
7
)
Approved Pro

Gervais Plumbing & Heating Inc

9 Town Forest Rd,
3.71(
7
)
Approved Pro
Customers say: Quick response
50 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 Colon Plumbing LLC

Colon Plumbing LLC

1834 Centre Street
4.88(
8
)
Approved Pro

Colon Plumbing LLC

1834 Centre Street
4.88(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
18 local quotes requested

Our mission is to be a plumbing contractor that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Dave Colon has completed several plumbing repairs recently. He is a professional plumber who is driven to do an excellent job every time.He doesn’t complete a job unless he and the customer are pleased with the work.He is the best plumber I have ever hired. I will recommend him to everyone I know. Pat Hart"

Patrick H on December 2024

Our mission is to be a plumbing contractor that brings back the personal touch with our customers. We will build a relationship that will last a lifetime after you see our quality work. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!

"Dave Colon has completed several plumbing repairs recently. He is a professional plumber who is driven to do an excellent job every time.He doesn’t complete a job unless he and the customer are pleased with the work.He is the best plumber I have ever hired. I will recommend him to everyone I know. Pat Hart"

Patrick H on December 2024


Avatar for Genove Oil & Air Co

Genove Oil & Air Co

53 Williams St
4.74(
206
)
Approved Pro

Genove Oil & Air Co

53 Williams St
4.74(
206
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
106 local quotes requested

Genove Oil & Air provides Bioheat & oil delivery as well as residential and commercial installation/service for oil & gas heating units, water heaters, heat pumps, central A/C and ductless HVAC systems. As a complete energy company, we offer our customers modern energy efficient heating and cooling options. We take pride in what we do, making excellent customer service our top priority! Based in Waltham, serving Eastern Massachusetts, Metrowest, and Greater Boston since 1977.

"I would not hire these guys again"

Ali A on November 2024

Genove Oil & Air provides Bioheat & oil delivery as well as residential and commercial installation/service for oil & gas heating units, water heaters, heat pumps, central A/C and ductless HVAC systems. As a complete energy company, we offer our customers modern energy efficient heating and cooling options. We take pride in what we do, making excellent customer service our top priority! Based in Waltham, serving Eastern Massachusetts, Metrowest, and Greater Boston since 1977.

"I would not hire these guys again"

Ali A on November 2024


Avatar for Nicholson Plumbing Heating & Air Conditioning Inc

Nicholson Plumbing Heating & Air Conditioning Inc

71 Whitney Street
4.54(
560
)
Approved Pro

Nicholson Plumbing Heating & Air Conditioning Inc

71 Whitney Street
4.54(
560
)
Approved Pro
Customers say: Super punctual
55 local quotes requested
25 years of experience

Nicholson Plumbing, Heating & Air Conditioning is the company of choice for all your plumbing, heating and air conditioning repair and replacement needs. Our commitment is to you, our customer, and to provide you with outstanding plumbing and HVAC service. You can rest assured with our 100% satisfaction guarantee, 24-hour emergency service, solid warranty and highly trained technicians. Serving the Metro West, MA's service and installation needs. Fully Licensed in MA Plumbing and Gas Fitting. Lic# 30207. Universal EPA Certified & 410A Certified. Fully Insured. Nicholson Plumbing, Heating & Air Conditioning offers a 5% senior discount on service repairs.

"Went very well and got more information than with other companies."

Susan H on April 2025

Nicholson Plumbing, Heating & Air Conditioning is the company of choice for all your plumbing, heating and air conditioning repair and replacement needs. Our commitment is to you, our customer, and to provide you with outstanding plumbing and HVAC service. You can rest assured with our 100% satisfaction guarantee, 24-hour emergency service, solid warranty and highly trained technicians. Serving the Metro West, MA's service and installation needs. Fully Licensed in MA Plumbing and Gas Fitting. Lic# 30207. Universal EPA Certified & 410A Certified. Fully Insured. Nicholson Plumbing, Heating & Air Conditioning offers a 5% senior discount on service repairs.

"Went very well and got more information than with other companies."

Susan H on April 2025


Avatar for Cotti-Johnson Heating-Cooling-Electrical

Cotti-Johnson Heating-Cooling-Electrical

30 Waverly St
4.68(
155
)
Approved Pro

Cotti-Johnson Heating-Cooling-Electrical

30 Waverly St
4.68(
155
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
963 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 Reilly Trufant Plumbing & Heating

Reilly Trufant Plumbing & Heating

53 Prospect Street
5.00(
1
)
Approved Pro

Reilly Trufant Plumbing & Heating

53 Prospect Street
5.00(
1
)
Approved Pro
9 years of experience
Free onsite estimate

Reilly Trufant Plumbing & Heating is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Great customer service. Immediate response and great job! Very professional service. Would definitely use again!"

Jean M on April 2025

Reilly Trufant Plumbing & Heating is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 12 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

"Great customer service. Immediate response and great job! Very professional service. Would definitely use again!"

Jean M on April 2025


MPNF Plumbing

730 Locust St
New on AngiNew on Angi
Approved Pro

MPNF Plumbing

730 Locust St
New on AngiNew on Angi
Approved Pro
25 years of experience
Free onsite estimate

At MPNF Plumbing we pride ourselves on being the best plumbing company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

At MPNF Plumbing we pride ourselves on being the best plumbing company in the area. We've built an excellent reputation for customer satisfaction by providing quick estimates, a great attention to detail, and competitive pricing. Being a screened and approved professional gives you the peace of mind you need to allow us to give your home the attention it deserves. Call us today and let's get started!

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Water Heaters questions, answered by experts

Yes, this would be an appropriate choice. In order to comply with the National Electric Code’s rules, you'll need to install a circuit breaker that's 125% larger than the intended load. In this case, you'll multiply 30 amps by 1.25 to find the necessary breaker size. Plugging that equation in for your 30-amp water heater will leave you with a 37.6-amp breaker. If your current water heater keeps tripping the breaker, it might be time to talk to a plumber or electrician about upgrading your water heater's setup.

It usually takes a professional water heater installer between two and three hours to remove an existing water heater and install a new tank heater. However, it could take four to five hours if they have to work in a small utility closet or another tight area, like a crawl space. Tankless water heaters have a more complicated installation process, so they will take a bit longer. Additionally, a gas water heater requires a connection to a gas line, and that alone can add about an hour to the installation timeline compared to installing an electric water heater.

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. 

In most municipalities, a license is not mandatory for water heater installation or replacement. However, we strongly recommend hiring a licensed plumber or water heater installer to handle the work. Licensed installers are far less likely to make a mistake during the installation, which means paying for the experience decreases your risk of a leak and other issues. You can use our state licensing tool to find out if a contractor you’re considering in your area holds a plumber’s license.

Yes, most municipalities have codes that require water heaters to have pans. A pan is necessary when a water heater or hot water storage tank is installed in an area where water leakage could cause damage, such as an attic, second floor, or finished basement. Tankless water heaters are not required to have a pan since there is no storage tank.

The Dover, MA homeowners’ guide to water heater services

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