Tankless Water Heater Repair Near San Diego, CA

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Three cartoon penguins dressed as workers stand beside the word "MAUZY" in large blue letters. Below, it lists: "Cooling • Heating • Plumbing • Electrical." The penguins wear blue uniforms and hats.

Sherlock Plumbing, Heating & Air Has Joined Forces with Mauzy Cooling, Heating, Plumbing & Electrical

Sherlock Air has officially joined forces with Mauzy Cooling, Heating, Plumbing & Electrical, combining two trusted Southern California home-services teams into a single powerhouse.

Sherlock is Here for All of Your Plumbing Needs!

Enjoy trusted expertise, fast response times, upfront pricing, and dependable service.

Upfront, Honest Pricing

Clear, transparent quotes with no hidden fees, surprises, or gotcha's.

Technicians You Can Trust

Licensed, certified professionals providing knowledgeable, reliable guidance.

Solutions for YOUR Home

We recommend only what you need, customized to your specific situation.

Fast, Reliable Service

Fully stocked trucks and flexible scheduling help get most repairs done the same day.

A close-up view of a heating system’s plumbing, highlighting pipes, valves with red handles, a pressure gauge, and control panels—ideal for those seeking Tankless Water Heater Repair insights.

Specialized Expertise for Tankless Water Heater Systems

Tankless water heaters are more complex than traditional tank systems, and they need specialized knowledge to repair properly. When your tankless unit fails, you need technicians who understand these systems specifically. The San Diego tankless water heater repair experts at Sherlock Air have the training and experience to diagnose and fix your system quickly. We’ve handled countless tankless water heater repair jobs in San Diego, CA and we know how to get you back hot water fast. We treat your equipment with care, explain what we find, and stand behind our work. When you need San Diego tankless water heater repair, trust the specialists.

Signs Your Tankless Water Heater Needs Expert Repair Services

When your tankless system stops producing any hot water at all, something has failed internally or the unit has lost power. This could be a heating element issue, a gas problem, or an electrical failure. Our San Diego tankless water heater repair team can diagnose what’s wrong and get you hot water again fast. Don’t live without hot water, tankless water heater repair in San Diego, CA needs to happen immediately.

If hot water isn’t reaching multiple fixtures in your home, your tankless unit may be failing to distribute water properly or lacking the capacity to serve everything at once. Flow rate problems or internal valve failures cause this issue. Our San Diego tankless water heater repair experts can identify the root cause and restore proper water distribution. Professional tankless water heater repair in San Diego restores service to all your appliances.

Tankless systems require consistent electrical power to operate safely and efficiently. A flickering pilot light, display errors, or total power loss means your unit isn’t working correctly. This could be an electrical problem with your home’s power supply or an internal failure in the heater. Our San Diego tankless water heater repair team can diagnose power problems and restore function. Expert tankless water heater repair in San Diego, CA handles all electrical issues.

Rusty or foul smelling hot water indicates buildup or corrosion inside your tankless system. This contamination affects your water quality and signals internal problems. Our San Diego tankless water heater repair professionals can flush your system and replace damaged components. Swift tankless water heater repair in San Diego restores clean, quality hot water.

Banging, popping, whistling, or rattling sounds from your tankless unit mean something is wrong internally. Mineral buildup, loose parts, or failing components create these noises. Our San Diego tankless water heater repair team can identify what’s causing the sounds and fix the problem. Early tankless water heater repair in San Diego, CA prevents further damage.

Any visible water leakage from your tankless unit is a serious problem that demands immediate attention. Leaks indicate corrosion, cracked connections, or internal failure. Our San Diego tankless water heater repair experts can locate the leak source and determine the best repair solution. Don’t delay with tankless water heater repair in San Diego because leaks get worse quickly.

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We Know Tankless Systems Better Than Anyone

Tankless water heaters operate differently than traditional tanks, and that’s why general plumbers sometimes miss what’s wrong. We focus on these specialized systems exclusively in our repair work, so we catch problems others miss. Your tankless unit gets the expert attention it deserves.

A plumber adjusts pipes and valves beneath a tankless water heater, using a wrench, with various metal pipes and fittings visible against a tiled wall—perfect for precise tankless water heater repair.

Get Started Today

Get Your Tankless Water Heater Fixed by Specialists

Is your tankless water heater malfunctioning? Sherlock Air is the trusted specialist in San Diego, CA for tankless water heater repair. Contact us now and get your system working properly again.

Plumbing Offers & Service Specials

Enjoy trusted expertise, fast response times, upfront pricing, and dependable service.

$500 Repair Credit

Emergency Repairs Only

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Diagnose the problem with your plumbing system
  • Provide a comprehensive report on the problem
  • No service call or dispatch fees only waived if repair is performed same-day
  • Present you with personalized solutions on what to do next
  • If we do the work we’ll waive the diagnostic charge!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

No Cost Evaluation!

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Diagnose the problem with your slab foundation pipes & why they’re leaking
  • Provide a comprehensive report on the problem
  • Present you with personalized solutions on what to do next
  • If we do the work we’ll waive the diagnostic charge!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$49

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Analyze your new kitchen plumbing installation needs
  • Present you with personalized solutions on what to do next
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$89

$49

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Diagnose the problem with your shower fixtures
  • Provide a comprehensive report on the problem
  • No service call or dispatch fees only waived if repair is performed same-day
  • Present you with personalized solutions on what to do next
  • If we do the work we’ll waive the diagnostic charge!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$89

$49

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Diagnose the problem with your sink plumbing
  • No service call or dispatch fees only waived if repair is performed same-day
  • Provide a comprehensive report on the problem
  • Present you with personalized solutions on what to do next
  • If we do the work we’ll waive the diagnostic charge!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$89

$49

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Diagnose the problem with your toilet
  • Provide a comprehensive report on the problem
  • No service call or dispatch fees only waived if repair is performed same-day
  • Present you with personalized solutions on what to do next
  • If we do the work we’ll waive the diagnostic charge!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

Our Most Recent Reviews

Check out our most recent reviews, and then call us for service!

Adrienne Durfey profile picture
Adrienne Durfey
02:35 29 Dec 25
Got our bathroom shower drain unclogged for an amazing price. He was done in 20 minutes. Would definitely call Eduardo and Mauzy Plumbing again for any future needs
Jaylee Howard profile picture
Jaylee Howard
17:17 27 Dec 25
Had a clogged sink. Eduardo was very nice and walked me through the process. He did a great job and satisfied with his service.
Faze profile picture
Faze
00:17 27 Dec 25
He was great. Very nice and friendly and got the job done quickly!
Bella Tesoro profile picture
Bella Tesoro
20:02 26 Dec 25
Arturo was awesome and solved our issue quickly. He was very friendly and efficient. Highly recommend.
larry estis profile picture
larry estis
19:17 24 Dec 25
Great company angel is a very good and helpful plumber.
Edwardo did a plumbing job in my kitchen. Super efficient. Clearly knew exactly what was needed and did it. Very careful clean and organized. He was also extremely good at explaining what and why he was doing specific steps. In addition he pointed out a few other areas that may be issues in the future for me to keep an eye on. Lastly, Edwardo was pleasant and easy to talk with, a genuine nice guy.
Barbara Taylor profile picture
Barbara Taylor
23:39 13 Nov 25
I had the nicest experience today with Arturo the tech. He was so darned cheerful & nice from his introduction and then on to being very professional. He provided fast service and took the time to explain about plumbing and your service.
He’s really a very nice person and I appreciate having someone like him come into my home.
Diana Holt profile picture
Diana Holt
00:59 06 Nov 25
We had a whole house water filtration system installed . Jace did a terrific job and explained everything he did. He also fixed my tankless water heater that was having an error code that was not completely addressed in the owners manual after I tried to fix it myself. I would recommend Jace and Mauzy to my friends and neighbors. I’m very satisfied!
Siobhán profile picture
Siobhán
23:07 30 Oct 25
This is the second time I have used Mauzy plumbing. My plumber Eduardo, was an absolute professional. He was incredibly good at his work, went above and beyond. Eduardo was so friendly, helpful and communicative. He took care to do the job to the highest standards. I highly recommend the company because of Eduardo and the staff at the office. Thank you.
Angela McCollum profile picture
Angela McCollum
16:44 17 Oct 25
Wilbur, our technician, was fantastic! He fixed our backed up drain very quickly and very thoroughly! He also gave us other options for a more permanent fix, which we will certainly do in the near future. The price was amazing and overall a great experience! We will definitely be using your company again! I am thrilled to find a reliable, Knowledgeableand trustworthy plumber.
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