Water Heater Repair

No Hot Water? No Problem.

 
Technician in Front of Van

No Hot Water? No Problem. Call the Water Heater Professionals at CastleWorks Today!

San Diego Water Heater Repair Experts 

Fast Diagnosis & Same Day Resolution

If you’ve suddenly run out of hot water or you suspect there’s a problem with your heater, call Castleworks in San Diego for fast results. Our team has experience working on all major brands from Bradford White to Rheem; and, our specialists are well-versed in all four categories of water heater design.

  • Tankless Water Heaters 
  • Gas Water Heaters
  • Electric Water Heaters
  • Heat Pump Water Heaters

When we arrive, we will provide a free estimate on costs with no hidden fees so that you understand exactly what needs to be done. We will also take the time to answer all your questions and advise you on all your options so you can make an informed decision about whether to repair or replace your equipment.

A Leading Choice for Water Heater Repair in San Diego

We’ve earned our reputation as a top choice for water heater repairs by putting our customers first. From honest recommendations to reliable results, our team strives to exceed expectations. Here are a few more reasons people continue to choose us.

  • 30 years in the water heater industry. 
  • Senior technicians have 7-10 years of experience.
  • Vans are fully stocked so we can provide same-day, single-visit repairs.
  • Nortiz Tankless Certified.
  • Expert advisors who help you get the most for your money.
  • We are not pushy salespeople. 

Few things matter more to us than customer satisfaction, which is why we work with a sense of urgency to get your problem solved as swiftly as possible.

ExcellentGoogle star 1Google star 2Google star 3Google star 4Google star 54.8136 reviews
4.8Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent136 reviews
Posted on Google Google
Louis Escalante profile picture
Louis Escalante
7 September 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Our previous water heater cracked due to the age of it. We had our previous one for 18 years. Chris Dohrer was the technician assigned to us he was very knowledgeable and efficient while replacing our old water heater. He explained all our options and cost associated to each one. We're thankful to Castle Works as well for scheduling the visit on Labor day and would recommend them if you needed repair or inspection in a pinch.
Posted on Google Google
PDSOCAL profile picture
PDSOCAL
4 September 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Have to say Anthony was really the best. Knew exactly what needed to be done and did it right! Special thanks to him.
Posted on Google Google
Jason Ritchie profile picture
Jason Ritchie
31 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Chris Dohrer performed an inspection of our water heater leak and was very helpful in understanding next steps in the context of an upcoming remodel we have. Thanks Chris!
Posted on Google Google
Chadwick Marrs profile picture
Chadwick Marrs
29 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Chris Dohrer was very professional
Posted on Google Google
Scott Blacklock profile picture
Scott Blacklock
25 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Had to haggle the price a bit, nothing unexpected. Showed up with a replacement unit on the truck. Excellent work. Patient and thorough.
Posted on Google Google
Julie Moody profile picture
Julie Moody
23 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Castle Works has fantastic employees and service. They give you a returning customer discount and Or Military discount that make price’s affordable. I talked with Jessica who was friendly from the moment she answered the phone and she got a professional technician to come out to the house within an hour an 1/2. Miguel was amazing! He checked everything thing out before quoting us a price. He had everything in his truck! We didn’t have to wait until a week day to replace the tank! His work was extremely clean and time efficient. He explained everything! Everything is up to code too now! Hope not to see you for another ten years! We got 13year on our last one! However, if something does go wrong I’m calling you guys! Thank you, Castleworks! Your a top notch Company!
Posted on Google Google
Advik Magesh profile picture
Advik Magesh
23 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Chris Doherty did a great job installing our brand new water heater
Posted on Google Google
max5959 profile picture
max5959
22 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Very good and professional job
Posted on Google Google
Jennie Ho profile picture
Jennie Ho
15 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
CastleWorks is a great company with a great staff, beginning with the gentleman, Joshua, who answered our call to the young lady who called us to let us know that their technician, Chris Dohrer, was on his way. Chris explained everything simply and clearly to my husband and me, and told us what our options were. Chris is a hard-working, kind, and cheerful young man. He did everything that he said he would, and left everything in a neat manner. He put our old water heater in a place out-of-the-way and said that the service technician who was coming on Monday to put in the new tankless water heater would take the old one away because their truck had more room. We would highly recommend CastleWorks Water Heaters to others who need theirs replaced or repaired. They have a great team working together.
Posted on Google Google
Toshihide Kadota profile picture
Toshihide Kadota
13 August 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
excellent work and technically very high level of plumbing.

Repairs for Tank Water Heater Systems 

Conventional water heaters are prone to a few basic issues that range from minor to urgent in terms of severity. Our water heater repair experts in San Diego know immediately where to look to quickly troubleshoot just how bad your specific issue might be. Some of the common repairs we handle on a daily basis include the following: 

  • Sediment Buildup: Usually, you will hear a popping or rumbling sound in the tank from air bubbles trapped under the sediment rising to the top. Usually,  the solution is to get your water tank flushed.  
  • Repairable Leaks: Valves or fittings can come loose or become defective over time. It is possible to replace or adjust these items without replacing the unit.   
  • Non-Repairable Leaks: If the tank has corroded to the point where it is leaking from the bottom, it’s important to get the unit replaced to avoid a flood from the tank bursting. 
  • Broken Thermostats: Obviously, when this malfunctions your water won’t be the right temperature.

Feel free to give us a call if you’re noticing any of these issues with your unit; and, we will send out a team member to take a look.

Repairs for Tankless Water Heaters

Like conventional tank systems, many of the problems that arise with tankless water heaters can be traced back to hard water. We’ve laid out some common tankless issues we repair regularly below:

  • Mineral/Sediment Buildup: Similar to a conventional heater, sediment can do damage to a tankless system over time if they aren’t properly maintained.
  • Low Water Pressure: Clogs from minerals will start to reduce water pressure over time. Hard water should be softened or filtered to avoid this.  
  • Ignition Problems: Like gas tank heaters, tankless gas systems sometimes have problems with igniting. Gas valves and burners should be inspected for issues.

Because tankless systems are much less common, many plumbers simply don’t have the expertise to handle problems with these systems or the ability to advise on how to keep them well-maintained. The team at Castleworks, on the other hand, has extensive knowledge regarding tankless technology and can get your system back up and running in no time.

No Hot Water? No Problem. Call the Water Heater Professionals at CastleWorks Today!

We Offer Financing For Any Budget

Comfort, Efficiency & Savings. You can have it all!

Contact Us Today!

Name
I'd like to receive SMS messages about my project.
Messaging frequency varies based on your project needs. You can opt out at any time by replying STOP. Reply HELP if you are experiencing issues. Message/data rates apply.
I'd like to receive SMS marketing messages from CastleWorks.
Messaging frequency varies based on your project needs. You can opt out at any time by replying STOP. Reply HELP if you are experiencing issues. Message/data rates apply.

By submitting this form, you authorize CastleWorks to reach out to you about your project. We will never share your personal information with third parties for marketing purposes. Consent is not a condition of purchase. You can opt out at any time. View our privacy policy here: Privacy Policy and our Terms & Conditions Here: Terms & Conditions

The CastleWorks story began in 1995 and grew from the collaboration of many dedicated local professionals committed to service. Our family of businesses includes:

Moore Mechanical Logo
Scroll to Top