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Tankless water heater repair pros in San Antonio

Avatar for Plumbing Diagnostic & Repair
Plumbing Diagnostic & Repair
PO BOX 116
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
Plumbing Diagnostic & Repair
PO BOX 116
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
6 years of experience
Free onsite estimate

Plumbing Diagnostic & Repair 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. Please give us a call today!

Plumbing Diagnostic & Repair 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. Please give us a call today!


Avatar for Juan's Plumbing Services, LLC
Juan's Plumbing Services, LLC
10730 Potranco Rd, Suite 122 Box 203
5.00(
5
)
Approved Pro
Juan's Plumbing Services, LLC
10730 Potranco Rd, Suite 122 Box 203
5.00(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
6 years of experience

Juan's Plumbing Services is a locally owned & operated business located in San Antonio. With over 14 years of experience as a Master Plumber, you can trust us to complete your plumbing project to perfection every single time. We pride ourselves on delivering exceptional customer service and turning every customer into a life-time customer. Call today to set an appointment! You'll be glad you did.

"Will definitely recommend Juanâ s plumbing. Had my repair done the same day."

Maria J on May 2023

Juan's Plumbing Services is a locally owned & operated business located in San Antonio. With over 14 years of experience as a Master Plumber, you can trust us to complete your plumbing project to perfection every single time. We pride ourselves on delivering exceptional customer service and turning every customer into a life-time customer. Call today to set an appointment! You'll be glad you did.

"Will definitely recommend Juanâ s plumbing. Had my repair done the same day."

Maria J on May 2023


Avatar for 4m Plumbing Services
4m Plumbing Services
5707 Horizon Dr.
5.00(
11
)
Approved Pro
4m Plumbing Services
5707 Horizon Dr.
5.00(
11
)
Approved Pro
4 years of experience
Free onsite estimate

San Antonio homeowners are smart and we know you’re tired of being overcharged by out-of-town companies that treat you like just another number. At 4M Plumbing, we were born and raised right here in San Antonio. We don’t answer to shareholders, we answer to our neighbors. That’s why we built a plumbing company around what matters to real people here: ✔️ Fair prices that don’t feel like hospital bills ✔️ Quick response times ✔️ Clear communication — start to finish ✔️ Clean, respectful, professional service We specialize in water heaters, sewer line replacements, leak repairs, and more, plus we back our work with real warranties: 🔧 10 years on water heaters 🔧 5 years on sewer line replacements No corporate tricks. Just good plumbing.

"Yes he did! Very knowledgeable and great customer service ?"

devin o on May 2025

San Antonio homeowners are smart and we know you’re tired of being overcharged by out-of-town companies that treat you like just another number. At 4M Plumbing, we were born and raised right here in San Antonio. We don’t answer to shareholders, we answer to our neighbors. That’s why we built a plumbing company around what matters to real people here: ✔️ Fair prices that don’t feel like hospital bills ✔️ Quick response times ✔️ Clear communication — start to finish ✔️ Clean, respectful, professional service We specialize in water heaters, sewer line replacements, leak repairs, and more, plus we back our work with real warranties: 🔧 10 years on water heaters 🔧 5 years on sewer line replacements No corporate tricks. Just good plumbing.

"Yes he did! Very knowledgeable and great customer service ?"

devin o on May 2025


Owners have combined 10+ years in service, Plumbers have over 50

"Wonderful. "

Samantha B on June 2025


Avatar for 1-800-Plumber + Air of East San Antonio
1-800-Plumber + Air of East San Antonio
8845 FM 1976 Suite 107
4.80(
5
)
Approved Pro
1-800-Plumber + Air of East San Antonio
8845 FM 1976 Suite 107
4.80(
5
)
Approved Pro
Customers say: Quick response
142 local quotes requested
1 years of experience

1-800-Plumber + Air is focused on being the BEST! It's not about being better than everyone else, instead our focus is on providing you with the fast, dependable plumbing and emergency services when you need it most. Our goal is to give you the BEST experience you have ever received from a service based business.

"Polite, fast friendly service. They were really nice to work with. Replaced outdoor faucet and washing machine faucets, and did a great job. Quick even with our older quirky house. I would recommend this company for friendly, professional service with a very fair price."

Suzanne L on July 2025

1-800-Plumber + Air is focused on being the BEST! It's not about being better than everyone else, instead our focus is on providing you with the fast, dependable plumbing and emergency services when you need it most. Our goal is to give you the BEST experience you have ever received from a service based business.

"Polite, fast friendly service. They were really nice to work with. Replaced outdoor faucet and washing machine faucets, and did a great job. Quick even with our older quirky house. I would recommend this company for friendly, professional service with a very fair price."

Suzanne L on July 2025


Avatar for Beyer Plumbing
Beyer Plumbing
17197 Beyer John Dr
4.77(
13
)
Approved Pro
Beyer Plumbing
17197 Beyer John Dr
4.77(
13
)
Approved Pro
Super Service Award
Customers say: True professional
94 local quotes requested
27 years of experience

Beyer Plumbing is one of San Antonio's largest residential and commercial plumbing companies. As a family-owned business, we view our clients as an extension of our family and have been providing trusted results to residential and commercial customers in the greater San Antonio area since 1990. With over 40 years of collective experience, our technicians are trained, certified, and ready to accommodate your plumbing needs. That means our clients can expect fair treatment, committed service, straight talk, and a focus on quality. We keep up with the latest advances and products so that we can serve you in a reliable manner. Whether it's a hot water problem or a request for a fixture installation, we'll respond promptly. Making sure you're confident in the service we're providing is a priority for us. We believe the most important factor in business success is building long-term relationships with our customers.

"Great work!"

Deric W on July 2025

Beyer Plumbing is one of San Antonio's largest residential and commercial plumbing companies. As a family-owned business, we view our clients as an extension of our family and have been providing trusted results to residential and commercial customers in the greater San Antonio area since 1990. With over 40 years of collective experience, our technicians are trained, certified, and ready to accommodate your plumbing needs. That means our clients can expect fair treatment, committed service, straight talk, and a focus on quality. We keep up with the latest advances and products so that we can serve you in a reliable manner. Whether it's a hot water problem or a request for a fixture installation, we'll respond promptly. Making sure you're confident in the service we're providing is a priority for us. We believe the most important factor in business success is building long-term relationships with our customers.

"Great work!"

Deric W on July 2025


Avatar for Champion A/C, Inc.
Champion A/C, Inc.
2709 Bulverde Rd
4.62(
85
)
Approved Pro
Champion A/C, Inc.
2709 Bulverde Rd
4.62(
85
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
50 local quotes requested

Undefeated at home since 2007, Champion Cooling, Heating, Plumbing, & Electrical does whatever it takes to clinch total home comfort & 100% customer satisfaction throughout South Central Texas. With honesty & determination, Champion prioritizes the satisfaction of every customer through transparent pricing, educated options, & peace of mind provided by some of the most skilled & community-committed technicians in Texas.

"Very professional and good at communicating. The technician did a great and quick job with the water heater. "

Steve R on March 2025

Undefeated at home since 2007, Champion Cooling, Heating, Plumbing, & Electrical does whatever it takes to clinch total home comfort & 100% customer satisfaction throughout South Central Texas. With honesty & determination, Champion prioritizes the satisfaction of every customer through transparent pricing, educated options, & peace of mind provided by some of the most skilled & community-committed technicians in Texas.

"Very professional and good at communicating. The technician did a great and quick job with the water heater. "

Steve R on March 2025


Avatar for The Carpenter's Hand
The Carpenter's Hand
5318 Chestnut View
4.56(
147
)
Approved Pro
The Carpenter's Hand
5318 Chestnut View
4.56(
147
)
Approved Pro
Customers say: Quality work
956 local quotes requested
25 years of experience

Independently owned contractor specializing in bathroom & kitchen remodeling. We are trained to handle any phase of construction but specialize in kitchen and bathroom remodeling. Even if you just need some advice please feel free to call any time.

"Famously!! Jeff Bryson is one of the most professional businessmen we have ever worked with. He was clear and exact on the direction he would take and explained it to us step by step. The people he has working for him are true artists in fulfilling our dream and Jeff’s direction. Easy to work with, consistent, courteous and responsive. The cupboards and vanity made from scratch are superb. They turned our thoughts into reality and gave us my dream!"

Ina and Mark C on June 2024

Independently owned contractor specializing in bathroom & kitchen remodeling. We are trained to handle any phase of construction but specialize in kitchen and bathroom remodeling. Even if you just need some advice please feel free to call any time.

"Famously!! Jeff Bryson is one of the most professional businessmen we have ever worked with. He was clear and exact on the direction he would take and explained it to us step by step. The people he has working for him are true artists in fulfilling our dream and Jeff’s direction. Easy to work with, consistent, courteous and responsive. The cupboards and vanity made from scratch are superb. They turned our thoughts into reality and gave us my dream!"

Ina and Mark C on June 2024


Avatar for Expo Home Improvement
Expo Home Improvement
13859 Diplomat Dr
4.42(
113
)
Approved Pro
Expo Home Improvement
13859 Diplomat Dr
4.42(
113
)
Approved Pro
Customers say: Quality work
3351 local quotes requested
19 years of experience

Imagine loving every corner of your home. From a kitchen that feels fresh again, to a bathroom that finally works for your family, to windows that keep you comfortable through every Texas season. At Expo Home Improvement, we make remodeling feel simple and rewarding. Our team brings care, craftsmanship, and clear communication to every project, because how we show up matters just as much as what we build. Whether you're in Dallas-Fort Worth, Houston, Austin, San Antonio, or East Texas, we’re just around the corner and ready to help you love where you live. M-39963

"The Expo home came out, and they installed a step-in shower for the family; their work was excellent. We worked with Da'Monte, Kawin, and John, and they were very professional. We would recommend them to anyone needing this type of service."

Geri H on July 2025

Imagine loving every corner of your home. From a kitchen that feels fresh again, to a bathroom that finally works for your family, to windows that keep you comfortable through every Texas season. At Expo Home Improvement, we make remodeling feel simple and rewarding. Our team brings care, craftsmanship, and clear communication to every project, because how we show up matters just as much as what we build. Whether you're in Dallas-Fort Worth, Houston, Austin, San Antonio, or East Texas, we’re just around the corner and ready to help you love where you live. M-39963

"The Expo home came out, and they installed a step-in shower for the family; their work was excellent. We worked with Da'Monte, Kawin, and John, and they were very professional. We would recommend them to anyone needing this type of service."

Geri H on July 2025


Avatar for Emergency Plumber LLC
Emergency Plumber LLC
1059 Lilac Wind
4.56(
18
)
Approved Pro
Emergency Plumber LLC
1059 Lilac Wind
4.56(
18
)
Approved Pro
Customers say: Super punctual
746 local quotes requested
9 years of experience

Plumbing Service, Residential Plumbing Repair, Water Heaters, Water Softners, Toilets, Faucets, Valves, Yard Leak Repair

"Outstanding.....ontime, fast but completely checked out, cleaned up well when complete, very fair price. We would / will use again"

Bryan R on March 2025

Plumbing Service, Residential Plumbing Repair, Water Heaters, Water Softners, Toilets, Faucets, Valves, Yard Leak Repair

"Outstanding.....ontime, fast but completely checked out, cleaned up well when complete, very fair price. We would / will use again"

Bryan R on March 2025

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