How much do tankless water heater repair services typically cost?
- san antonio, Texas Average$665
- Typical Range$251 - $1,075
- Low End - High End$100 - $1,854
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Get Quotes NowTankless Water Heater Repair Services in san antonio, TX
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Service Pros
CW
"Installation of a water heater ...well done"
Betty F. in December 2016
CP
San Antonio, TX·
Drain clog blockage, Plumbing, Hot Water Heater install or change out
"CoverAll Plumbing really went beyond expectations on repairing a break I had on my sewer line. Alejandro was very knowledgeable and explained step by step what would be done. I will definitely be calling them in the future!"
Joshua F. in January 2024
BP
Faucets, Fixtures and Pipes - Repair or Replace, Drain Clog or Blockage - Clear, Traditional or Tankless Water Heater Install or Repair , and 7 more
"He was fast and efficient and provided me with a lot of knowledge."
29340F24CDF405203012D3EAA57A38044AB8FC09942FEDA9D9762C26ED81E884 3. in October 2025
PD
In business since 2019
About us: "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!"
Showing 1-4 of 4 results
Costs for related projects in san antonio, TX
- Hire a Plumber$176 - $522
- Install a Bathtub$3,798 - $9,654
- Install a Water Heater$828 - $1,654
- Repair a Clogged Drain$153 - $294
- Repair a Water Heater$251 - $1,075
Related Projects in san antonio, TX
HomeAdvisor Community Rating
Overall Rating:
san antonio Plumbers are rated 4.8 out of 5 based on 403 reviews of 403 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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Things to Consider Before You Hire Someone To Fix a Tankless Water Heater:
What is the problem with your water heater?
- Little/no hot water
- Annual maintenance
- Leaking or cracked pipe
- Hot water fluctuations
- Other
What is the heat source for the water heater?
What kind of location is this?
Do you provide these professional services?
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Recent Job Requests for Plumbers in san antonio, TX
Project Location: San Antonio, TX Date: 02/02/24Location: HomeWhat kind of water heater do you want repaired?: TanklessWhat is the problem with your water heater? (Choose all that apply): No hot waterWhat is the heat source for the water heater?: ElectricityComment: I would like to get an estimate for repair water heaterProject Location: San Antonio, TX Date: 01/30/24Location: HomeWhat kind of water heater do you want repaired?: TanklessWhat is the heat source for the water heater?: ElectricityComment: Water heater made a high pitch sound and now smells fishyProject Location: San Antonio, TX Date: 01/24/24Location: HomeWhat kind of water heater do you want repaired?: TanklessWhat is the heat source for the water heater?: Natural gasComment: Water is not heating upProject Location: San Antonio, TX Date: 01/20/24Location: HomeWhat kind of water heater do you want repaired?: TanklessWhat is the heat source for the water heater?: Natural gasWhat is the problem with your water heater? (Choose all that apply): No hot waterComment: We are having an issue with the lack of heat from the water in our shower. The kitchen sink water heats up appropriately and the thermostat for the water heater appears to be functioning properly, but the water coming the water is not hot at all.Project Location: San Antonio, TX Date: 01/18/24Heat Source for Hot Water: Natural gasLocation: HomeComment: This is a new home in this area only a year old the first tankless flush for this home. New build.Project Location: San Antonio, TX Date: 01/08/24Heat Source for Hot Water: Natural gasLocation: HomeWhat is the problem with your water heater? (Choose all that apply): OtherComment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.Project Location: San Antonio, TX Date: 01/08/24Heat Source for Hot Water: Natural gasLocation: HomeWhat is the problem with your water heater? (Choose all that apply): Hot water fluctuationsWhat is the problem with your water heater? (Choose all that apply): Annual maintenanceComment: I think our tankless water heater is getting clogged up from the calcium buildup from our water source. Going on 2 1/2 years without maintenance.
