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Tankless water heater repair pros in Pleasanton

Pedro Galvan Plumbing, Inc.
5405 Ace Ct
4.84(
16
)
Approved Pro
Pedro Galvan Plumbing, Inc.
5405 Ace Ct
4.84(
16
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 years of experience

Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!

"Pedro is professional, patient and prompt. His skill level is top notch. I'd rehire him in a second."

Rolanda B on December 2018

Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!

"Pedro is professional, patient and prompt. His skill level is top notch. I'd rehire him in a second."

Rolanda B on December 2018


Avatar for Prime Time Plumbing
Prime Time Plumbing
1804 Hoke Ct
5.00(
3
)
Approved Pro
Prime Time Plumbing
1804 Hoke Ct
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I had a great experience with them. They did a tankless water heater for a fair price and helped install new water lines for my espresso machine in my cafe. Would recommend to anyone who needs the job done right!"

Alex H on October 2023

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

"I had a great experience with them. They did a tankless water heater for a fair price and helped install new water lines for my espresso machine in my cafe. Would recommend to anyone who needs the job done right!"

Alex H on October 2023


Avatar for First Class Water Heaters, Inc.
First Class Water Heaters, Inc.
540 Garcia Ave Ste E
4.74(
167
)
Approved Pro
First Class Water Heaters, Inc.
540 Garcia Ave Ste E
4.74(
167
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
22 local quotes requested

We are 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 are involved with. We are 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.

"Good"

Justin C on March 2025

We are 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 are involved with. We are 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.

"Good"

Justin C on March 2025


Avatar for Mr. Rooter Plumbing
Mr. Rooter Plumbing
50 Hegenberger Loop
4.12(
29
)
Approved Pro
Mr. Rooter Plumbing
50 Hegenberger Loop
4.12(
29
)
Approved Pro
Customers say: Quick response
27 years of experience
Free onsite estimate

Over thirty years and growing strong. Mr. Rooter Plumbing is one of the largest and fastest growing full service plumbing and drain cleaning companies in the world. With more than 300 global locations, the Mr. Rooter organization services the plumbing and drain cleaning needs of thousands of customers each day. Of utmost importance to each of those service calls is Mr. Rooter�s mission of providing professional plumbing services with excellent workmanship and attention to detail, always striving to exceed the expectations of each customer. We accomplish our mission through a unique system whereby locally owned and independently operated Mr. Rooter franchises deliver our services using the Mr. Rooter name.

"."

Kate B on May 2025

Over thirty years and growing strong. Mr. Rooter Plumbing is one of the largest and fastest growing full service plumbing and drain cleaning companies in the world. With more than 300 global locations, the Mr. Rooter organization services the plumbing and drain cleaning needs of thousands of customers each day. Of utmost importance to each of those service calls is Mr. Rooter�s mission of providing professional plumbing services with excellent workmanship and attention to detail, always striving to exceed the expectations of each customer. We accomplish our mission through a unique system whereby locally owned and independently operated Mr. Rooter franchises deliver our services using the Mr. Rooter name.

"."

Kate B on May 2025


Avatar for Oak Plumbing
Oak Plumbing
3852 Industrial Way
4.63(
467
)
Approved Pro
Oak Plumbing
3852 Industrial Way
4.63(
467
)
Approved Pro
Customers say: True professional
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
27 local quotes requested

Oak 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. Our customer's safety is extremely important, which is why all of our technicians are fully trained, background checked, and drug tested.

"Malik was very punctual, polite and went into detail about the work, what it will require and estimate time on how long the job will take. I am happy with the work and for sure hired Oak Plumbing for any future work, highly recommended them."

Marco G on April 2025

Oak 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. Our customer's safety is extremely important, which is why all of our technicians are fully trained, background checked, and drug tested.

"Malik was very punctual, polite and went into detail about the work, what it will require and estimate time on how long the job will take. I am happy with the work and for sure hired Oak Plumbing for any future work, highly recommended them."

Marco G on April 2025


Avatar for Beastbay Plumbing
Beastbay Plumbing
4562 E. 2nd St. Suite H
4.67(
186
)
Approved Pro
Beastbay Plumbing
4562 E. 2nd St. Suite H
4.67(
186
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
194 local quotes requested

Welcome to Beastbay Plumbing! We are committed to exceeding your expectations. We specialize in all plumbing needs. Whether its a regular or On Demand water heater, water filtration or water/drain re-pipe we can handle the job. We will always give you more that one option and guarantee customer satisfaction. We take pride in diagnosing problems and offering solutions that fit your needs. You can book appointment here (highlight, copy and paste link): https://bit.ly/3SxIfar

"Free competitive quote and technician was informative."

George D on April 2025

Welcome to Beastbay Plumbing! We are committed to exceeding your expectations. We specialize in all plumbing needs. Whether its a regular or On Demand water heater, water filtration or water/drain re-pipe we can handle the job. We will always give you more that one option and guarantee customer satisfaction. We take pride in diagnosing problems and offering solutions that fit your needs. You can book appointment here (highlight, copy and paste link): https://bit.ly/3SxIfar

"Free competitive quote and technician was informative."

George D on April 2025


Avatar for Jose's Plumbing & Rooter Incorporated
Jose's Plumbing & Rooter Incorporated
3621 Lafayette Street, Unit 4
5.00(
5
)
Approved Pro
Jose's Plumbing & Rooter Incorporated
3621 Lafayette Street, Unit 4
5.00(
5
)
Approved Pro
Customers say: Quick response
22 local quotes requested
26 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Professional & knowleadeable of our plumbing needs . Jose was honest & sincere with communication & resolved and immediately remediated a better solution . The utility sink & plumbing is excellent work & efficiently completed the job with expectancy . The plumber was courteous & tidy around work area . We are happy with the job done especially customer service we received . Thank you ! "

Melany R on May 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"Professional & knowleadeable of our plumbing needs . Jose was honest & sincere with communication & resolved and immediately remediated a better solution . The utility sink & plumbing is excellent work & efficiently completed the job with expectancy . The plumber was courteous & tidy around work area . We are happy with the job done especially customer service we received . Thank you ! "

Melany R on May 2025


Avatar for Remodeling Heroes
Remodeling Heroes
2515 Santa Clara Ave
5.00(
21
)
Approved Pro
Remodeling Heroes
2515 Santa Clara Ave
5.00(
21
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
550 local quotes requested

Heroes comprises a team of super-talented and skilled professionals who have joined forces to create a company that provides a comprehensive array of solutions for homeowners throughout the Bay Area. Our experts have the extensive experience in their respective fields to creatively solve any issue. Our design team will help you draw up the home renovation of your dreams with ease and precision.

"I enjoyed every aspect of working with this company. They redid our entire kitchen. Though it was a big project they made everything go smoothly. They were so communicative and stayed right on schedule. Everyone who worked on our home was extremely kind and professional. I couldn't be happier with the end result. I'm happy I decided to do business with them. I will always recommend Remodeling Heroes."

Albert R on September 2024

Heroes comprises a team of super-talented and skilled professionals who have joined forces to create a company that provides a comprehensive array of solutions for homeowners throughout the Bay Area. Our experts have the extensive experience in their respective fields to creatively solve any issue. Our design team will help you draw up the home renovation of your dreams with ease and precision.

"I enjoyed every aspect of working with this company. They redid our entire kitchen. Though it was a big project they made everything go smoothly. They were so communicative and stayed right on schedule. Everyone who worked on our home was extremely kind and professional. I couldn't be happier with the end result. I'm happy I decided to do business with them. I will always recommend Remodeling Heroes."

Albert R on September 2024


Avatar for MGM Construction
MGM Construction
642 Dixie Lane
5.00(
8
)
Approved Pro
MGM Construction
642 Dixie Lane
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
436 local quotes requested

We specialize in Kitchen and Bathroom renovations, along with Electrical, plumbing, flooring, custom cabinetry, and more! . We have industry experience since the 1990's and started our own company in 2022. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"They did a wonderful job! They stayed on budget and on time. Very, very pleased with the work done to refresh my small kitchen."

Raeanne P on June 2025

We specialize in Kitchen and Bathroom renovations, along with Electrical, plumbing, flooring, custom cabinetry, and more! . We have industry experience since the 1990's and started our own company in 2022. We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"They did a wonderful job! They stayed on budget and on time. Very, very pleased with the work done to refresh my small kitchen."

Raeanne P on June 2025


Avatar for Albert Nahman Plumbing, Heating, and Cooling
Albert Nahman Plumbing, Heating, and Cooling
3333 Martin Luther King Jr Way
4.45(
684
)
Approved Pro
Albert Nahman Plumbing, Heating, and Cooling
3333 Martin Luther King Jr Way
4.45(
684
)
Approved Pro
Customers say: Super punctual
2491 local quotes requested
44 years of experience

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"Still getting estimates."

Lucy H on June 2025

Albert Nahman Services was founded in 1981 and has been serving Berkeley, CA and it surrounding areas in all their plumbing and HVAC needs. Each of our technicians went through rigorous training so we can guarantee that you will be receiving the proper service. We are also insured and supply a warranty for our parts for five years and up to twenty years on an re-piping or sewer replacement. Call us now to make your appointment!

"Still getting estimates."

Lucy H on June 2025

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FAQs for tankless water heater installation projects in Pleasanton, CA

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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