We are thrilled to announce a significant milestone in our journey. Complete Comfort Plumbing, Heating & Air Evolves into John Stevenson Plumbing, Heating & Air Conditioning, Inc. We are excited about the future as we continue to strive for excellence in all our endeavors. Thank you for your trust and continued support! 

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Water Heaters

Carlsbad Water Heater Services

Offering Top-Quality Water Heater Repair & Replacement in North San Diego County

Is your water heater leaking? Are you experiencing fluctuation or loss of hot water? Do you find yourself going to the internet in search for “water heater repair near me”? No matter the issue, John Stevenson Plumbing, Heating & Air Conditioning, Inc. is the company to call. Our experienced team offers the best in water heater repairs, maintenance, and replacements throughout Carlsbad for both traditional and tankless systems


Not sure if your water heater needs repair or replacement? Our Carlsbad team can help! Call (760) 276-6690 today to set up an appointment!


Who to Call for Water Heater Repair 

John Stevenson Plumbing, Heating & Air Conditioning, Inc. is the best choice for water heater repair in Carlsbad, Del Mar, La Jolla, and beyond. With decades of experience and certified technicians serving clients in the local area, our team is dedicated to providing quality service for all your plumbing needs, including water heater repairs.

No matter what type of water heater you have, John Stevenson Plumbing, Heating & Air Conditioning, Inc. can help get your water back up and running quickly. Our technicians are knowledgeable in all makes and models of water heaters, so they'll be able to diagnose the issue and come up with a reliable solution fast.

Benefits of Choosing Us for Water Heater Repairs:

  • Up-front and honest pricing
  • Professionally trained, licensed, and certified plumbing technicians
  • 5 Star Service Guarantee
  • Best-in-class warranties
  • A full system evaluation prior to performing any work
  • Multiple repair or replacement options uniquely designed for you 

Additionally, our team installs only the highest quality Bradford White tank-style water heaters, providing multiple options on-site as well as upfront estimates.

Contact us To Request Service

How to Tell if Your Water Heater Needs Repair

Water heater repairs are a worthwhile option if the system is still within its warranty period, which should be the case if regular water heater maintenance has been performed. In many cases, a quick and affordable repair can get your water heater working efficiently and effectively once again. So, if you notice any of the following, be sure to give our Carlsbad water heater repair team a call.

Signs Your Water Heater Needs Repair:

  • Your water heater is making unusual noises
  • The pilot light keeps going out
  • You find standing water under the water heater
  • Your water heater has been shutting off
  • Your water isn’t getting hot
  • You notice your water heater randomly fluctuating between hot and cold water

Sometimes, the heating mechanism, or thermocouple, will fail, which can cause the hot water fluctuations or loss of hot water entirely. Water heater repairs for cases like this can usually be performed within the warranty period. However, if the water heater is older, it may be beneficial to consider replacing the system altogether.


Not sure if your water heater needs repair or replacement? Our Carlsbad team can help! Call (760) 276-6690 today to set up an appointment!


  • “I can't say enough great things about Patrick and the whole John Stevenson company.”

    - Holly G.

Commonly Asked Questions

Why is my water heater leaking?

There are several possible reasons for a water heater to leak, including a faulty pressure relief valve, a loose drain valve, a corroded tank, or a damaged pipe. It's important to address a leaking water heater promptly to prevent further damage.

What causes fluctuation or loss of hot water in a water heater?

Fluctuation or loss of hot water in a water heater can be caused by a variety of factors, including a malfunctioning thermostat, a sediment buildup in the tank, a faulty heating element, or a broken dip tube. A professional inspection can help determine the exact cause and provide the necessary repairs.

How long do water heaters last?

In general, traditional tank-style water heaters can last between 10 to 15 years. However, the lifespan of a water heater can vary based on a number of factors, including the frequency of use, the water quality in your area, and the level of maintenance the system has received over the years. If you're uncertain if your water heater needs to be replaced, be sure to watch for any changes in performance, as a failing water heater will typically exhibit signs that a new system is needed.

When should you replace a water heater?

  • If your system struggles to keep up with your home’s hot water demands
  • If your water appears rusty or cloudy
  • If your water heater requires frequent and repeated repairs
  • If you want to invest in a newer, more energy efficient system
  • If your utility bills have increased substantially
  • If your water tastes or smells funny
  • If your water heater's tank is leaking
  • If your system is corroded

When the time comes for replacement, it's important to consider the size, location, and energy efficiency of the new model. However, with so many options available on the market, we recommend consulting with our qualified Carlsbad water heater installation team. We can help walk you through the process, assisting you in selecting and installing the right system for your home’s hot water needs.

How much does water heater replacement cost?

If you're looking to replace your water heater, one of the first things on your mind is likely the cost. While the price of a new water heater can vary depending on a few factors, such as the size and type of system chosen, the cost of replacement will typically include more than just the unit itself. For example, where the system is going to be installed in your home, labor, and whether your old water heater will need to be removed can factor into the cost. Additionally, if you’re upgrading to a different style of water heater or fuel source, such as switching from electric to gas, there may be additional expenses to consider, such as having a gas line installed. Certain permits will also be required, which can influence the overall cost of the replacement.

Should you flush your water heater?

Regular tank-style water heaters hold and heat water on a continuous basis. As they age, and due to San Diego County’s poor water quality, sediment can build up on the bottom of the tank. It is corrosive and eats away at the interior of the water heater, leading to burst tanks and larger problems. That's why our Carlsbad water heater maintenance team recommends scheduling an annual water heater flush to extend the life of the system. This maintenance task will ensure that sediment is removed from the tank and that the water heater is continuing to perform at peak efficiency. This can also help homeowners avoid costly water heater repairs.

Condensing vs. Non-condensing Water Heaters

Condensing and non-condensing water heaters are two common types of heating systems, each with its own set of features and advantages. Understanding the differences between them can help you make an informed decision when selecting a water heater for your home.

Condensing Water Heater:

  • Utilizes a secondary heat exchanger to extract additional heat from combustion gases.
  • Condenses water vapor in the exhaust, recovering latent heat.
  • Typically more energy-efficient, with higher thermal efficiency ratings.
  • Often more expensive upfront but can result in lower operating costs over time.
  • Ideal for homes with high hot water demand or where energy efficiency is a priority.

Non-Condensing Water Heater:

  • Utilizes a single heat exchanger to heat water directly.
  • Exhaust gases are vented outside without further heat extraction.
  • Generally less expensive upfront compared to condensing models.
  • Typically has lower thermal efficiency compared to condensing water heaters.
  • Suitable for homes with lower hot water demand or where upfront cost is a primary concern.

Choosing between a condensing and non-condensing water heater depends on various factors such as your budget, hot water usage patterns, and energy efficiency goals. While condensing water heaters offer superior energy efficiency and long-term savings, non-condensing models may be more suitable for those on a tight budget or with lower hot water needs. Consulting with a qualified plumber from John Stevenson Plumbing can help you determine the best option for your specific requirements and preferences.

What Maintenance Does a Water Heater Require?

Proper maintenance is crucial to ensure the optimal performance and longevity of your water heater. Regular maintenance can help prevent issues and extend the life of the unit, ensuring a reliable supply of hot water for your home.

  • Flushing the Tank: Draining and flushing the tank helps remove sediment that can accumulate at the bottom, improving efficiency.
  • Checking the Pressure Relief Valve: Regularly testing the pressure relief valve ensures it functions correctly, preventing excess pressure buildup.
  • Inspecting the Anode Rod: The anode rod sacrifices itself to prevent corrosion in the tank. Periodic checks and replacements are essential.
  • Insulating the Pipes: Insulating hot water pipes reduces heat loss during water transport, increasing energy efficiency.
  • Adjusting Temperature Settings: Setting the water heater temperature to a safe and efficient level helps prevent scalding and saves energy.
  • Inspecting for Leaks: Regularly check for any signs of leaks, including around the tank and connections, and promptly address any issues.

Understanding Water Heater Installation Requirements in California

The Uniform Plumbing Code is continually changing, so a water heater installed 10 years ago compared to one installed today will have different installation requirements. Our team is well versed in these stipulations, which is why part of our evaluation involves upgrading to the current code, including all permits. We will also ensure that all safety requirements are also up to code, such as earthquake strapping and stands.

Upgrade to a Tankless Water Heater

If you're tired of running out of hot water or dealing with a bulky and inefficient traditional water heater, it may be time to consider upgrading to a tankless water heater. Tankless water heaters provide a continuous supply of hot water on demand, eliminating the need for a storage tank and reducing energy consumption.

Here are some benefits of upgrading to a tankless water heater:

  • Endless hot water: With a tankless water heater, you'll never have to worry about running out of hot water again. It heats water as you need it, providing a continuous supply for your showers, laundry, and other hot water needs.
  • Energy efficiency: Tankless water heaters are more energy-efficient than traditional water heaters because they only heat water when it's needed. This can result in significant energy savings and lower utility bills.
  • Space-saving: Tankless water heaters are compact and wall-mounted, freeing up valuable space in your home. They can be installed in tight spaces, such as closets or utility rooms.
  • Longer lifespan: Tankless water heaters typically have a longer lifespan compared to traditional water heaters. With proper maintenance, they can last up to 20 years or more.
  • Reduced risk of leaks: Traditional water heaters with storage tanks are prone to leaks and water damage. Tankless water heaters eliminate this risk, as there is no storage tank that can burst or leak.

Our experienced plumbers at John Stevenson Plumbing, Heating & Air Conditioning, Inc. can assess your water heating needs and recommend the best water heater solution for your home. Contact us today to schedule a consultation!

What To Expect From Our Plumbers

Our plumbing company will assess your water heating needs and provide multiple options for repair, if possible, or replacement. Our estimates are uniquely designed and tailored for each customer. After work is completed, our expert plumbers will walk you through the service provided and take the time to answer any remaining questions; it’s all part of our 5 Star Service Guarantee! Our customer service team will then follow up within 24 hours to make sure you are happy — we’re not happy until you’re happy!

We value your time and investment and know that dealing with a leaking water heater, flooding, or even loss of hot water is frustrating. We aim to alleviate your stress!

What Makes Us a Community Name?

Benefits of Working with Our Expert Team
  • Drug Tested & Background Checked Technicians
  • Upfront Pricing — You’ll Never Pay More Than You’re Quoted
  • Expert Advice From Professional, Licensed and Certified Technicians
  • We Stock Enough Parts in Our Trucks to Do 93% Of Repairs on the Spot
  • Flexible Scheduling - Ask About Same-Day or Emergency Service
  • 5 Star Service Guarantee Includes Service Tailored to Your Needs & Budget
Frequently Asked Questions
  • When Should I Search For A Plumber Near Me?
    A:

    John Stevenson Plumbing, Heating & Air recommends scheduling annual plumbing evaluations. Your home is an investment, and it is better to prevent problems before they occur. With an annual inspection, our team can perform an in depth evaluation of all visible plumbing systems to ensure they are in top working condition. However, if you are experiencing high water bills, dripping faucets, no hot water, or gas smells, it is time to call a professional plumber.

    Some Common Signs That You Need Plumbing Services

    Some residential plumbing issues are easy to spot: active water drips, foul odors, strange sounds from the pipes all indicate something is happening in the system. But, there are more subtle signs that something is going on that requires a specialist. A common plumbing repair in San Diego is slab leaks. Leaks that happen under the foundation of the home. Signs include high water bills, damp floors, warm spots, and sounds of water running when no services are in use.

    Common Plumbing Problems

    Plumbing can be much more complex than we think. As long as we get hot water from our taps, and everything is working fine, we often don’t think about our plumbing. But, there is a lot going on throughout the home, and it is all connected. Many times, a problem in the toilet is related to the water pressure coming into the home. Some of the most common issues are leaks. Leaks occur when the pipes are older, or plumbing seals are weakened from age and pressure.

    Loose faucets, older water heaters, and poorly maintained systems will also lead to problems. If left alone, all of these can lead to burst pipes and major floods in worst case scenarios.

  • What Are All Of The Components Of A Plumbing System?
    A:

    Plumbing is made up of a complex system connected throughout the home. Residential plumbing services rely on knowledge of uniform plumbing code, extensive math, and engineering. That’s why our team is dedicated to advanced training and education year round. Understanding how pipes are connected, how water and gas comes into the home, and how it is all interconnected is crucial to performing quality and long lasting solutions.

  • How To Detect A High Water Pressure Issue
    A:

    Excessive water pressure is one of the leading causes of leaks in the home, from minor drips to burst shut off valves. Detecting high water pressure can be done at the main water valve for the home, or at any tap with the proper tools. Our team evaluates water pressure on every service to ensure homeowners do not experience emergency plumbing problems. Often, a homeowner will discover water pressure problems only after a leak has occurred, which is why it is important to have regular plumbing evaluations.

  • What To Do When Pipes Start Making Weird Sounds
    A:

    Banging, knocking, and hissing pipes all have something to say. Often, it is an indicator of a leak happening somewhere in the system, and they can be linked to high water pressure. When strange sounds are coming from your system, call the experts at John Stevenson Plumbing, Heating & Air.

  • What are Plumbers and What Do They Do?
    A:

    Plumbers are professionally-trained, skilled people who repair, maintain, and install pipe systems. Water heaters, bathtubs, toilets, drains, showers, and faucets are just a few of the things that plumbers are trained to service. Our John Stevenson Plumbing, Heating & Air plumbers are high-quality, certified professionals who will come to your home to help you with any of your plumbing repair, maintenance, or installation needs.

  • How Long is a Water Heater Supposed to Last?
    A:

    All water heaters are designed to last several years before they need to be replaced, but unexpected problems with your water heater can occur at any time. Our plumbers at John Stevenson Plumbing, Heating & Air are expertly-trained to diagnose the problem with your water heater and see if it is something that can be fixed, or if a replacement is needed.

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  • Based In Carlsbad, Serving a Wide Area
    2748 Loker Avenue West Carlsbad, CA 92010
    [Map & Directions]
  • Providing Service 6 Days a Week
    • Monday - Saturday

      8:00 AM- 7:00 PM

    • Sundays

      Closed

  • Call Us 24/7 To Request Your Service

A Homeowner’s Best Friend

Expertise isn’t the only thing we have gained over the past three decades - check our our loyal customer base!
  • “I can't say enough great things about Patrick and the whole John Stevenson company.”

    - Holly G.
  • “Great job, the technicians explained everything so that I could make the best decision for my home.”

    - Victoria J.
  • “I have been using John Stevenson’s services for about 7 years now and am really happy with all the services provided so far: new heater installation and yearly checkup/tune-up; new tankless water heater installation and yearly flush.”

    - Flavia P.
  • “The thing about John Stevenson Plumbing is that it is simply the best company of its type in the region. The technicians are smart, personable, always courteous and helpful, knowledgeable and fun to get to know. They do their jobs on time and on budget and”

    - John H.
  • “Luis was great! Fixed a leak in a gas line to our Guest House. Work was done quickly and professionally with excellent communication to me about the process.”

    - Pam L.
  • “I have used John Stevenson numerous times over the past few years for both plumbing and heating issues.”

    - Phyllis S.