Top-rated tankless water heater repair pros.

Get matched with top tankless water heater repair pros in your area

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.

Tankless water heater repair pros in Coatesville

Avatar for England's Plumbing, Heating & Cooling
England's Plumbing, Heating & Cooling
27 Commerce Boulevard, Suite 2
4.80(
328
)
Approved Pro
England's Plumbing, Heating & Cooling
27 Commerce Boulevard, Suite 2
4.80(
328
)
Approved Pro
Customers say: True professional
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
36 years of experience

England's Plumbing, Heating & Cooling. Here's what you can expect from this elite group: It's about you...every day! Your trust: The dedicated craftsmanship of a career professional. Your family: Polite, friendly consideration, with no vulgarity or smoking in your home or on your property. Your home: We "Double Test" all our work before we leave. Your peace of mind: You receive industry-leading guarantees on all work performed. Your convenience: We are always there when we promise. Standard service call fee is $125.00

"Great company to do business with! Professional, knowledgeable, caring. Don't hesitate to call Mr England and his crew."

Stephania T on October 2024

England's Plumbing, Heating & Cooling. Here's what you can expect from this elite group: It's about you...every day! Your trust: The dedicated craftsmanship of a career professional. Your family: Polite, friendly consideration, with no vulgarity or smoking in your home or on your property. Your home: We "Double Test" all our work before we leave. Your peace of mind: You receive industry-leading guarantees on all work performed. Your convenience: We are always there when we promise. Standard service call fee is $125.00

"Great company to do business with! Professional, knowledgeable, caring. Don't hesitate to call Mr England and his crew."

Stephania T on October 2024


Avatar for ValDel Plumbing, LLC
ValDel Plumbing, LLC
232 Croft Rd North
4.69(
398
)
Approved Pro
ValDel Plumbing, LLC
232 Croft Rd North
4.69(
398
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
353 local quotes requested

At ValDel Plumbing, we take great pride in being family owned and operated. Our mission is to provide our customers with exceptional service while delivering top-notch quality. Our reputation is based on the service and quality we provide, as well as the safety of our customers and their homes. We strive for transparency throughout your entire experience with our company and as well, promise to be upfront and honest. We treat your home like our home.

"Efficient completion of the job."

Eric S on May 2025

At ValDel Plumbing, we take great pride in being family owned and operated. Our mission is to provide our customers with exceptional service while delivering top-notch quality. Our reputation is based on the service and quality we provide, as well as the safety of our customers and their homes. We strive for transparency throughout your entire experience with our company and as well, promise to be upfront and honest. We treat your home like our home.

"Efficient completion of the job."

Eric S on May 2025


Avatar for Delaware Plumbing Professionals, LLC
Delaware Plumbing Professionals, LLC
300 E Ayre St.
4.73(
406
)
Approved Pro
Delaware Plumbing Professionals, LLC
300 E Ayre St.
4.73(
406
)
Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
317 local quotes requested

At Delaware Plumbing Professionals, LLC, we take great pride in being family owned and operated. Our mission is to provide our customers with exceptional service while delivering top-notch quality. Our reputation is based on the service and quality we provide, as well as the safety of our customers and their homes. We strive for transparency throughout your entire experience with our company and promise to be upfront and honest. We treat your home like our home.

"Excellent job very professional would hire them again no problem would highly recommend them to anybody needing plumbing problems fixed"

undefined on June 2025

At Delaware Plumbing Professionals, LLC, we take great pride in being family owned and operated. Our mission is to provide our customers with exceptional service while delivering top-notch quality. Our reputation is based on the service and quality we provide, as well as the safety of our customers and their homes. We strive for transparency throughout your entire experience with our company and promise to be upfront and honest. We treat your home like our home.

"Excellent job very professional would hire them again no problem would highly recommend them to anybody needing plumbing problems fixed"

undefined on June 2025


Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
1313 Wilmington Pike Unit 1A S
4.56(
483
)
Approved Pro
Benjamin Franklin Plumbing
1313 Wilmington Pike Unit 1A S
4.56(
483
)
Approved Pro
Customers say: Quick response
75 local quotes requested
66 years of experience

Does your plumbing company solve your plumbing problems? At Benjamin Franklin Plumbing, your complete satisfaction with both our service and plumbers is 100% guaranteed. Our on-time guarantee is one of the best in the country, and backed by highly skilled plumbers that are expertly trained and experienced to exceed your expectations. Simply put, when you choose Benjamin Franklin Plumbing, for all your plumbing problems, you can't lose.

"Very prompt! Good communication. Got the job done"

Janis M on November 2024

Does your plumbing company solve your plumbing problems? At Benjamin Franklin Plumbing, your complete satisfaction with both our service and plumbers is 100% guaranteed. Our on-time guarantee is one of the best in the country, and backed by highly skilled plumbers that are expertly trained and experienced to exceed your expectations. Simply put, when you choose Benjamin Franklin Plumbing, for all your plumbing problems, you can't lose.

"Very prompt! Good communication. Got the job done"

Janis M on November 2024


Avatar for Done Right Today, Inc.
Done Right Today, Inc.
473 Old Airport Rd
4.86(
518
)
Approved Pro
Done Right Today, Inc.
473 Old Airport Rd
4.86(
518
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
670 local quotes requested

We take great pride in our 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 expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"First ones to call "

Margaret C on June 2025

We take great pride in our 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 expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"First ones to call "

Margaret C on June 2025


Avatar for Harris Plumbing, Heating, Air & Electrical
Harris Plumbing, Heating, Air & Electrical
38 Cooper Street, Unit 204
4.47(
16
)
Approved Pro
Harris Plumbing, Heating, Air & Electrical
38 Cooper Street, Unit 204
4.47(
16
)
Approved Pro
Customers say: Quick response
359 local quotes requested
37 years of experience

Harris Plumbing, Heating, Air & Electrical is proud to be a locally owned and operated business that has been serving the community since 1988! With years of experience and unmatched expertise, we can help with any and all of your HVAC, Plumbing and Electrical needs. Since opening our doors we have built our business on providing our customers with the highest quality products and service at a fair price. From installations to service, you can count on our techs to be timely, tidy, and when the job is done, that you will be 100% satisfied with the work. Let us show you the Harris way, get in touch today!

"Angel at Harris Plumbing, Heating, Air, & Electrical helped me with an issue with my HVAC. He was very professional, courteous and thorough. He did a great job explaining the issue to me and the work he did to resolve the issue. I would highly recommend Angel and Harris Plumbing, Heating, Air & Electrical."

Erika P on March 2025

Harris Plumbing, Heating, Air & Electrical is proud to be a locally owned and operated business that has been serving the community since 1988! With years of experience and unmatched expertise, we can help with any and all of your HVAC, Plumbing and Electrical needs. Since opening our doors we have built our business on providing our customers with the highest quality products and service at a fair price. From installations to service, you can count on our techs to be timely, tidy, and when the job is done, that you will be 100% satisfied with the work. Let us show you the Harris way, get in touch today!

"Angel at Harris Plumbing, Heating, Air, & Electrical helped me with an issue with my HVAC. He was very professional, courteous and thorough. He did a great job explaining the issue to me and the work he did to resolve the issue. I would highly recommend Angel and Harris Plumbing, Heating, Air & Electrical."

Erika P on March 2025


Avatar for Benjamin Franklin Plumbing
Benjamin Franklin Plumbing
518 Running Pump Road
4.57(
490
)
Approved Pro
Benjamin Franklin Plumbing
518 Running Pump Road
4.57(
490
)
Approved Pro
Customers say: Super punctual
227 local quotes requested
66 years of experience

Does your plumbing company solve your plumbing problems? At Benjamin Franklin Plumbing, your complete satisfaction with both our service and plumbers is 100% guaranteed. Our on-time guarantee is one of the best in the country, and backed by highly skilled plumbers that are expertly trained and experienced to exceed your expectations. Simply put, when you choose Benjamin Franklin Plumbing, for all your plumbing problems, you can�t lose.

"Peyton did a fantastic job installing the new tankless water heater. Very happy with the results and Peyton answered all my questions about the system."

Paul K on June 2025

Does your plumbing company solve your plumbing problems? At Benjamin Franklin Plumbing, your complete satisfaction with both our service and plumbers is 100% guaranteed. Our on-time guarantee is one of the best in the country, and backed by highly skilled plumbers that are expertly trained and experienced to exceed your expectations. Simply put, when you choose Benjamin Franklin Plumbing, for all your plumbing problems, you can�t lose.

"Peyton did a fantastic job installing the new tankless water heater. Very happy with the results and Peyton answered all my questions about the system."

Paul K on June 2025


Avatar for AJ Waterproofing
AJ Waterproofing
3774 Kratz Rd
4.85(
199
)
Approved Pro
AJ Waterproofing
3774 Kratz Rd
4.85(
199
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
42 local quotes requested

We are a family run waterproofing specialist company, owned and operated, since 1976 by A.J. DiElsi. We have one crew, one truck and start and finish one job at a time. We are completely insured with general liability and workman's compensation. There is no charge for estimates and we take no deposits on any job. You pay us upon completion of the job. We do not have salesmen. A.J. is the gentleman that comes out to deliver each estimate and he is on each job. We excel in impeccable workmanship, and the jobs are always left cleaner than when we arrived. We give a lifetime guarantee on our French Drains and it is transferable to each new homeowner. Please feel free to call with any questions 610-527-9444 or 610-409-0888, Additional phones: 610-960-1589. Or feel free to email us at : ajwaterproofing@verizon.net, you can also check us out on YouTube and our website, ajwaterproofing.com.

"QUICK, FRIENDLY, and CHEAP!! First, AJ called me within 30 seconds of me texting him asking for an estimate. I sent him a photo of our water leak issue and he immediately responded. He actually explained that we could probably handle the repair ourselves if we were up for it, instead of paying him or someone else. He then walked us through every step in detail and made sure we were comfortable with the directions. So in the end, it cost us $0 in labor and only a small amount for materials, and really demonstrated AJ's integrity and generosity!"

Jarcy M on September 2023

We are a family run waterproofing specialist company, owned and operated, since 1976 by A.J. DiElsi. We have one crew, one truck and start and finish one job at a time. We are completely insured with general liability and workman's compensation. There is no charge for estimates and we take no deposits on any job. You pay us upon completion of the job. We do not have salesmen. A.J. is the gentleman that comes out to deliver each estimate and he is on each job. We excel in impeccable workmanship, and the jobs are always left cleaner than when we arrived. We give a lifetime guarantee on our French Drains and it is transferable to each new homeowner. Please feel free to call with any questions 610-527-9444 or 610-409-0888, Additional phones: 610-960-1589. Or feel free to email us at : ajwaterproofing@verizon.net, you can also check us out on YouTube and our website, ajwaterproofing.com.

"QUICK, FRIENDLY, and CHEAP!! First, AJ called me within 30 seconds of me texting him asking for an estimate. I sent him a photo of our water leak issue and he immediately responded. He actually explained that we could probably handle the repair ourselves if we were up for it, instead of paying him or someone else. He then walked us through every step in detail and made sure we were comfortable with the directions. So in the end, it cost us $0 in labor and only a small amount for materials, and really demonstrated AJ's integrity and generosity!"

Jarcy M on September 2023


Avatar for H L Bowman
H L Bowman
2259 Woodlawn St
4.73(
384
)
Approved Pro
H L Bowman
2259 Woodlawn St
4.73(
384
)
Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
4179 local quotes requested

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.

"They were very helpful and also took a look at our downstairs unit that was giving us trouble. I'm glad we went with them."

Kim G on May 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.

"They were very helpful and also took a look at our downstairs unit that was giving us trouble. I'm glad we went with them."

Kim G on May 2025


Avatar for Valdel Plumbing
Valdel Plumbing
2361 Potshop Ln
4.77(
175
)
Approved Pro
Valdel Plumbing
2361 Potshop Ln
4.77(
175
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1129 local quotes requested

Residential Plumbing & Drain Cleaning Service. Owners have over 30 years of experience. Proudly servicing Montgomery County, Chester County, Delaware County and lower Bucks County with professional, personal and timely service. Guaranteed respect for you, your time and your home. No job is too big or too small. Call us today for Expert Service, Quality Products, and Affordable Price!

"technician was affable and competent. however initial quote was outrageous and negotiate price still exorbitant, even taking into consideration of the day of the week. 1hpur labor and $30 worth of parts does not equal $ 374"

Joe V on March 2025

Residential Plumbing & Drain Cleaning Service. Owners have over 30 years of experience. Proudly servicing Montgomery County, Chester County, Delaware County and lower Bucks County with professional, personal and timely service. Guaranteed respect for you, your time and your home. No job is too big or too small. Call us today for Expert Service, Quality Products, and Affordable Price!

"technician was affable and competent. however initial quote was outrageous and negotiate price still exorbitant, even taking into consideration of the day of the week. 1hpur labor and $30 worth of parts does not equal $ 374"

Joe V on March 2025

...
Showing 1-10 of 968

FAQs for tankless water heater installation projects in Coatesville, PA

Professional flushing services for tankless water heaters run about $200 per visit. This essential maintenance procedure eliminates mineral deposits from critical components, particularly the heat exchanger. While homeowners can purchase DIY flushing kits for $50 to $100, professional service offers the advantage of thorough cleaning with proper techniques. Professional maintenance also includes inspection of additional components that might need attention.

Industry experts and manufacturers recommend annual maintenance for tankless water heaters, with more frequent service (every six months) for homes with challenging water conditions. This regular attention prevents efficiency losses and extends the unit's operational lifespan. Watch for warning signs like reduced water temperature, inconsistent performance, or system error codes that might indicate maintenance is needed sooner than scheduled.

Neglecting regular maintenance allows mineral scale to accumulate within your system, restricting water flow and reducing heating efficiency. This forces your unit to work harder, consuming more energy while delivering less satisfactory performance. Over time, this strain can lead to component failures, inconsistent water temperatures, and premature system replacement. Additionally, most manufacturers require documentation of regular maintenance to honor warranty coverage for major components.

Share project details to get started.