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Tankless water heater repair pros in Hamilton

Avatar for Nikan Plumbing Services LLC
Nikan Plumbing Services LLC
43969 Championship Pl
5.00(
6
)
Approved Pro
Nikan Plumbing Services LLC
43969 Championship Pl
5.00(
6
)
Approved Pro
10 years of experience
Free onsite estimate

We’re dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. 

"I have used their services several times, they exceeded all my expectations, they were reliable,honest and their workmanship was outstanding. I highly recommend them."

Robert S on March 2025

We’re dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction. 

"I have used their services several times, they exceeded all my expectations, they were reliable,honest and their workmanship was outstanding. I highly recommend them."

Robert S on March 2025


Avatar for RightNOW Plumbing
RightNOW Plumbing
11047 Pierson Drive Suite G
4.74(
941
)
Approved Pro
RightNOW Plumbing
11047 Pierson Drive Suite G
4.74(
941
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
354 local quotes requested

At RightNOW Plumbing, we specialize in water heater repair & installation. We are Northern Virginia's premier water heater experts and the area's leading Tankless installer. We have established ourselves as the go to company for quality work and outstanding customer service. Whether it is a repair, installation or conversion to tankless, we will leave you with a smile when the job is done. We are ready to take on any water heater project and deliver results you will be proud of. We know that it takes more than just materials, tools, and skill to deliver outstanding results. That is why we are committed to unsurpassed customer service. We will not be satisfied until you are, that is our promise.

"RightNow Plumbing reliably provides competent, scrupulous, trustworthy service. Recently I engaged Andy to service our well-water acid neutralizer tank, because I questioned the reliability of service by another company 13 months earlier. Andy tested our water and found that its pH value was 6.97, which was consistent with previous readings over the past six months when he did other work for us. Because our well-water pH is essentially neutral, Andy explained the acid neutralizer tank is not necessary. He offered two options: 1) remove the tank (thus leaving us with only the water softener tank) or 2) empty it, which option I selected. He also reduced the cost of the service call. Andy’s approach starkly contrasts with the other company that for years took advantage of an unsuspecting customer by charging almost $300 to “service” the tank and unnecessarily adding expensive calcite. For competent, scrupulous, trustworthy service, call RightNow Plumbing. Posted May 14, 2025"

Paul C on May 2025

At RightNOW Plumbing, we specialize in water heater repair & installation. We are Northern Virginia's premier water heater experts and the area's leading Tankless installer. We have established ourselves as the go to company for quality work and outstanding customer service. Whether it is a repair, installation or conversion to tankless, we will leave you with a smile when the job is done. We are ready to take on any water heater project and deliver results you will be proud of. We know that it takes more than just materials, tools, and skill to deliver outstanding results. That is why we are committed to unsurpassed customer service. We will not be satisfied until you are, that is our promise.

"RightNow Plumbing reliably provides competent, scrupulous, trustworthy service. Recently I engaged Andy to service our well-water acid neutralizer tank, because I questioned the reliability of service by another company 13 months earlier. Andy tested our water and found that its pH value was 6.97, which was consistent with previous readings over the past six months when he did other work for us. Because our well-water pH is essentially neutral, Andy explained the acid neutralizer tank is not necessary. He offered two options: 1) remove the tank (thus leaving us with only the water softener tank) or 2) empty it, which option I selected. He also reduced the cost of the service call. Andy’s approach starkly contrasts with the other company that for years took advantage of an unsuspecting customer by charging almost $300 to “service” the tank and unnecessarily adding expensive calcite. For competent, scrupulous, trustworthy service, call RightNow Plumbing. Posted May 14, 2025"

Paul C on May 2025


Avatar for John C. Flood of Virginia Inc.
John C. Flood of Virginia Inc.
6430 General Green Way
4.54(
37
)
Approved Pro
John C. Flood of Virginia Inc.
6430 General Green Way
4.54(
37
)
Approved Pro
Customers say: True professional
44 local quotes requested
105 years of experience

With over 120 years of experience serving the Maryland, Northern Virginia, and Washington, D.C. regions, the John C. Flood team has earned a reputation for providing excellent repair, service, and installation for HVAC, plumbing, electrical, and home remodeling. If you are looking for an HVAC contractor, plumber, electrician, or remodeling crew in the Maryland, Northern Virginia, or metro D.C. regions, trust John C. Flood to take care of the job. We've been serving our customers with the best repair and installation services and are available with regular rates 7 days a week. Our goal is to keep you and your family comfortable throughout the year, and you can count on us to do the job right the first time. Learn more about the services we offer or contact us online.

"Daniel completed our annual AC check up, servicing both the interior and exterior units. He made excellent recommendations, patiently explaining the options to this layman. The communications prior to and after the appointment were excellent -- timely and detailed."

Mary Beth C on April 2025

With over 120 years of experience serving the Maryland, Northern Virginia, and Washington, D.C. regions, the John C. Flood team has earned a reputation for providing excellent repair, service, and installation for HVAC, plumbing, electrical, and home remodeling. If you are looking for an HVAC contractor, plumber, electrician, or remodeling crew in the Maryland, Northern Virginia, or metro D.C. regions, trust John C. Flood to take care of the job. We've been serving our customers with the best repair and installation services and are available with regular rates 7 days a week. Our goal is to keep you and your family comfortable throughout the year, and you can count on us to do the job right the first time. Learn more about the services we offer or contact us online.

"Daniel completed our annual AC check up, servicing both the interior and exterior units. He made excellent recommendations, patiently explaining the options to this layman. The communications prior to and after the appointment were excellent -- timely and detailed."

Mary Beth C on April 2025


Avatar for Family Fire Service and Plumbing LLC
Family Fire Service and Plumbing LLC
5006 Aspen Hill Rd
4.33(
6
)
Approved Pro
Family Fire Service and Plumbing LLC
5006 Aspen Hill Rd
4.33(
6
)
Approved Pro
Customers say: Quick response
22 local quotes requested
2 years of experience

We are in the industry providing plumbing and fire protection systems to residents and businesses in and around Maryland for over 22 years. During all this time we were working to improve customer satisfaction before, during and after the service based on our agile management, trained team and quality materials. Now, years of experience in the market allows us to guarantee that our work will be of the highest quality.

"Family Fire Service did a great job replacing my water heater! They were quick, attentive, and thorough. Excellent work! "

Hassan C on May 2025

We are in the industry providing plumbing and fire protection systems to residents and businesses in and around Maryland for over 22 years. During all this time we were working to improve customer satisfaction before, during and after the service based on our agile management, trained team and quality materials. Now, years of experience in the market allows us to guarantee that our work will be of the highest quality.

"Family Fire Service did a great job replacing my water heater! They were quick, attentive, and thorough. Excellent work! "

Hassan C on May 2025


Avatar for Beacon Home Services, Inc.
Beacon Home Services, Inc.
10498 Colonel Ct #101
4.66(
813
)
Approved Pro
Beacon Home Services, Inc.
10498 Colonel Ct #101
4.66(
813
)
Approved Pro
Customers say: True professional
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
1093 local quotes requested

Beacon Home Services is a family owned and operated electrical & plumbing contractor. Our experienced plumbers & electricians have been providing superior services to the Northern Virginia Area since 2002. Our Master technicians are fully licensed and have more than enough experience to insure your satisfaction with our services. We have proven our ability to satisfy customers by reinventing the service industry and putting customer service at the top of our list! Customer safety is also very important to Beacon Home Services. That's why all our employees have gone through background checks so you can be sure that you're in good hands with Beacon Home Services.

"Great communication"

Jennifer R on May 2025

Beacon Home Services is a family owned and operated electrical & plumbing contractor. Our experienced plumbers & electricians have been providing superior services to the Northern Virginia Area since 2002. Our Master technicians are fully licensed and have more than enough experience to insure your satisfaction with our services. We have proven our ability to satisfy customers by reinventing the service industry and putting customer service at the top of our list! Customer safety is also very important to Beacon Home Services. That's why all our employees have gone through background checks so you can be sure that you're in good hands with Beacon Home Services.

"Great communication"

Jennifer R on May 2025


Avatar for C & Brothers Home Improvement, LLC
C & Brothers Home Improvement, LLC
5.00(
4
)
Approved Pro
C & Brothers Home Improvement, LLC
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
416 local quotes requested

C & Brothers is a multi-generational family-founded business driven by Cristian's unwavering passion for elevating homes to their fullest potential. Now Working alongside his son Harold, the two together are growing the business and working together to bring your ideas to life. Harold’s Significant impact has helped C & Brothers serve homeowners to another level and provides top leading management skills to provide efficiency and quality keeping customers satisfied from start to finish! Since 2004, Cristian has delivered exceptional and quality home improvement services to satisfied homeowners. As a husband and father of three boys, he recognizes and respects each customer’s unique needs, striving to find practical solutions to your family’s needs. Our team has undergone industry-standard training and holds essential certifications. We are fully licensed, bonded, and insured, providing confidence that you are in capable hands throughout your project.

"These guys are the best! They are so fast and do great work. They had plenty of help at our house every day until the job was complete. They worked everything into our budget and were great will design and layout."

erik f on May 2025

C & Brothers is a multi-generational family-founded business driven by Cristian's unwavering passion for elevating homes to their fullest potential. Now Working alongside his son Harold, the two together are growing the business and working together to bring your ideas to life. Harold’s Significant impact has helped C & Brothers serve homeowners to another level and provides top leading management skills to provide efficiency and quality keeping customers satisfied from start to finish! Since 2004, Cristian has delivered exceptional and quality home improvement services to satisfied homeowners. As a husband and father of three boys, he recognizes and respects each customer’s unique needs, striving to find practical solutions to your family’s needs. Our team has undergone industry-standard training and holds essential certifications. We are fully licensed, bonded, and insured, providing confidence that you are in capable hands throughout your project.

"These guys are the best! They are so fast and do great work. They had plenty of help at our house every day until the job was complete. They worked everything into our budget and were great will design and layout."

erik f on May 2025


Avatar for YK Plumbing Services, Inc.
YK Plumbing Services, Inc.
11200 Fairfax Boulevard
5.00(
8
)
Approved Pro
YK Plumbing Services, Inc.
11200 Fairfax Boulevard
5.00(
8
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
415 local quotes requested

Family owned business with over 20 years of experience handling all your Plumbing needs for residential and commercial.

"Great work, moved quickly to resolve my plumbing issues. Inspector said 'these people did great work'. Highly recommended."

Chris H on May 2025

Family owned business with over 20 years of experience handling all your Plumbing needs for residential and commercial.

"Great work, moved quickly to resolve my plumbing issues. Inspector said 'these people did great work'. Highly recommended."

Chris H on May 2025


Avatar for Everest Remodeling
Everest Remodeling
14524 LEE RD
4.88(
16
)
Approved Pro
Everest Remodeling
14524 LEE RD
4.88(
16
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
337 local quotes requested

Everest Granite & Remodeling is a full service remodeling company. We specialize in custom build & design of kitchen and bathrooms. We also offer custom granite, quartz and marble fabrication and installation. We are a family owned company serving the Virginia, Maryland and Washington DC area. Conveniently located in Chantilly, our goal is to make your remodeling experience as easy, informative and pleasant as possible. We offer the highest quality workmanship and customer service with the most competitive prices in the market. No matter how small or big your project is you can be assured that you are getting the most value. Our mission is to provide our customers with the highest level of service, quality, and integrity in our industry. Our passion is to provide our customers with the best solutions for their projects, but most importantly it is our willingness to go that extra mile to ensure 100% customer satisfaction!

"Excellent company to deal with. Bill is very meticulous in his measurements, and noticed several things that we were not aware of. He came out to our house a second time to verify measurement of bathroom vanity after we had added it to the job. The crew was knowledgeable and efficient, and the end result looks great!!"

Judith J on December 2022

Everest Granite & Remodeling is a full service remodeling company. We specialize in custom build & design of kitchen and bathrooms. We also offer custom granite, quartz and marble fabrication and installation. We are a family owned company serving the Virginia, Maryland and Washington DC area. Conveniently located in Chantilly, our goal is to make your remodeling experience as easy, informative and pleasant as possible. We offer the highest quality workmanship and customer service with the most competitive prices in the market. No matter how small or big your project is you can be assured that you are getting the most value. Our mission is to provide our customers with the highest level of service, quality, and integrity in our industry. Our passion is to provide our customers with the best solutions for their projects, but most importantly it is our willingness to go that extra mile to ensure 100% customer satisfaction!

"Excellent company to deal with. Bill is very meticulous in his measurements, and noticed several things that we were not aware of. He came out to our house a second time to verify measurement of bathroom vanity after we had added it to the job. The crew was knowledgeable and efficient, and the end result looks great!!"

Judith J on December 2022


Avatar for Jimmy Gusky Heating & Air LLC
Jimmy Gusky Heating & Air LLC
2604 Connecticut Ave NW
4.31(
360
)
Approved Pro
Jimmy Gusky Heating & Air LLC
2604 Connecticut Ave NW
4.31(
360
)
Approved Pro
Customers say: Terrific value
298 local quotes requested
29 years of experience

Family owned & operated. Jimmy Gusky LLC is here to serve you in the warm and cold seasons. With more than 30 years of plumbing & HVAC experience, we work on every project with attention to detail and time. HVAC, plumber, commercial plumbing, repair boilers, heating repair. Additional DBA - JCF Inc .

"Jimmy showed up to my home during a time when my thermostat was not working. That issue was fixed. He sold me a services contract and told me when he returned to services the units, he will cover the pipes outdoors. I purchased the contract for twice per year maintenance. I scheduled with him for a specific date. Appointment was confirmed but Jimmy did not show. When I called, he it appears that he forgot my appointment and he rescheduled saying he could not work in the rain. He rescheduled for a few days after and one of his workers showed up (Carlos). The guy showed up looking like he was someone who does not want to work and unprepared. So, I asked him if he has filters and he said know. Jimmy's workman did not bring filter, so I offered him filters I had stored. I asked him if he bought things to cover the pipes at the back, he said no. I called and left a message for Jimmy. Carlos was so rude and unprofessional. I was so scared of him and the way he was behaving. Carlos then said he would NOT do any service. IT WAS A WASTE OF MY TIME. He did return my money. BUT I will not recommend him. Will NOT use him again. As woman I will not hire again. Customer services was poor, reliability and punctuality poor."

Bibi K on October 2022

Family owned & operated. Jimmy Gusky LLC is here to serve you in the warm and cold seasons. With more than 30 years of plumbing & HVAC experience, we work on every project with attention to detail and time. HVAC, plumber, commercial plumbing, repair boilers, heating repair. Additional DBA - JCF Inc .

"Jimmy showed up to my home during a time when my thermostat was not working. That issue was fixed. He sold me a services contract and told me when he returned to services the units, he will cover the pipes outdoors. I purchased the contract for twice per year maintenance. I scheduled with him for a specific date. Appointment was confirmed but Jimmy did not show. When I called, he it appears that he forgot my appointment and he rescheduled saying he could not work in the rain. He rescheduled for a few days after and one of his workers showed up (Carlos). The guy showed up looking like he was someone who does not want to work and unprepared. So, I asked him if he has filters and he said know. Jimmy's workman did not bring filter, so I offered him filters I had stored. I asked him if he bought things to cover the pipes at the back, he said no. I called and left a message for Jimmy. Carlos was so rude and unprofessional. I was so scared of him and the way he was behaving. Carlos then said he would NOT do any service. IT WAS A WASTE OF MY TIME. He did return my money. BUT I will not recommend him. Will NOT use him again. As woman I will not hire again. Customer services was poor, reliability and punctuality poor."

Bibi K on October 2022


Avatar for Century Bathrooms & Kitchens
Century Bathrooms & Kitchens
11325 Lee Highway
4.94(
77
)
Approved Pro
Century Bathrooms & Kitchens
11325 Lee Highway
4.94(
77
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
537 local quotes requested

Century Bathrooms & Kitchens is a family owned and operated full service bathroom & kitchen remodeling company. We specialize in designing and remodeling services that reflect a high level of quality, functionality and design. We strive to successfully meet your remodeling needs in a timely manner, by working closely with you during the entire remodeling process. As a small company with over 20 years of specialized expertise and industry experience, we take pride in our ability to provide professional and personalized service while never compromising the quality of our work. We look forward to working with you and are confident that we will exceed your expectations and make your vision a reality!

"We were so happy with our bathroom remodels done in December by Century Bathrooms and Kitchens. From the start we were really impressed with Daniel and Erika and their friendly, down-to-earth demeanor, and their intentionality to listen to our thoughts and show us the overwhelming options. They were great at communicating throughout the whole project, very knowledgable and thorough. Their work crews were friendly, professional, amazingly clean, conscientious, hard-working, and detail-oriented in every regard of their work. They were originally scheduled to start the work after the new year, but in the end they were able to bump up both of our bathroom remodels to the 3 weeks leading up to Christmas, and they blew us away with how quickly they were able to get the projects completed. Our bathrooms are beautiful, and we really couldn't be happier. Highly recommend Century Bathrooms and Kitchen."

Amy C on January 2025

Century Bathrooms & Kitchens is a family owned and operated full service bathroom & kitchen remodeling company. We specialize in designing and remodeling services that reflect a high level of quality, functionality and design. We strive to successfully meet your remodeling needs in a timely manner, by working closely with you during the entire remodeling process. As a small company with over 20 years of specialized expertise and industry experience, we take pride in our ability to provide professional and personalized service while never compromising the quality of our work. We look forward to working with you and are confident that we will exceed your expectations and make your vision a reality!

"We were so happy with our bathroom remodels done in December by Century Bathrooms and Kitchens. From the start we were really impressed with Daniel and Erika and their friendly, down-to-earth demeanor, and their intentionality to listen to our thoughts and show us the overwhelming options. They were great at communicating throughout the whole project, very knowledgable and thorough. Their work crews were friendly, professional, amazingly clean, conscientious, hard-working, and detail-oriented in every regard of their work. They were originally scheduled to start the work after the new year, but in the end they were able to bump up both of our bathroom remodels to the 3 weeks leading up to Christmas, and they blew us away with how quickly they were able to get the projects completed. Our bathrooms are beautiful, and we really couldn't be happier. Highly recommend Century Bathrooms and Kitchen."

Amy C on January 2025

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Tankless water heater installations FAQs

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.

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