Water Heater Repair and Replacement
We repair and replace water heaters the right way, so you can count on steady hot water when you need it.
Day or Night, We Pick Up
4.9 stars from 2,800+ reviews. Available 24/7.
Dependable service, everyday comfort
Water heaters work hard every day, and when they fail, your whole home or business feels it. We service tank and tankless systems, diagnose problems accurately, and complete safe, code-compliant repairs or replacements to get hot water flowing again.
Problems We Solve
We diagnose and resolve a wide range of water heater issues, from emergency no-hot-water situations to efficiency upgrades and system replacements.
No Hot Water
A complete loss of hot water can be caused by a failed heating element, thermostat issue, gas valve failure, or pilot light problem.
Leaking Water Heater
Leaks from the tank, connections, or relief valve can indicate corrosion, excessive pressure, or a failing tank that may need replacement.
Pilot Light Issues
A pilot light that won't stay lit can be caused by a faulty thermocouple, gas valve issue, or draft conditions that need to be addressed.
Tankless Error Codes
Error codes on tankless water heaters often point to ignition failures, flow sensor issues, venting problems, or scale buildup that requires professional diagnosis.
Not Enough Hot Water
Running out of hot water quickly can indicate a failing heating element, sediment buildup, or a unit that's undersized for your household demand.
High Energy Bills
An aging or inefficient water heater can drive up your energy costs. Upgrading to a newer, more efficient model can reduce monthly bills.
Old or Unsafe Systems
Water heaters over 10-15 years old may lack current safety features, operate inefficiently, or be at higher risk of catastrophic failure.
Upgrades and Remodels
Kitchen or bathroom remodels, ADU additions, or home expansions may require a new water heater, relocation, or upgrade to meet increased demand.
Solutions We Offer
Standard Tank Repairs or Installation
- 1. Diagnose the issue or assess replacement needs
- 2. Recommend the right size and type for your home
- 3. Remove old unit and install new water heater to code
- 4. Test operation, check safety devices, and clean up
Licenses and Certifications
Transparent Pricing, Always
We make the costs clear from the start. No guesswork, no confusion, just the information you need to make the right decision.
How We Price
- Flat-rate upfront pricing before work begins
- No hidden fees or changes after approval
- All pricing, scope of work, and approvals provided in writing before starting
- We help identify available rebates and manufacturer incentives that may reduce your out-of-pocket cost.
Pricing by Service
- Water heater installation — $2,300-$8,500 depending on type and complexity
- Price factors: tank vs tankless, gas line upgrades, venting, permits, and location
- Repairs — diagnosed and quoted on-site before any work begins
- Rebate eligibility reviewed for qualifying energy-efficient models
Orange County's Trusted Full Service Plumbing Company
See how we take care of our clients' homes and businesses.
“Alex from Olson Superior Plumbing came out on March 31 to replace my expansion tank and drain my on‑demand water heater. He was kind, professional, and did excellent work. I waited a bit before writing this to make sure everything held up and it has.”
Barbra Henry
Google Review
“Olson’s Superior Plumbing is a great company. All of the plumbers and dispatchers are very pleasant, professional, and competent. I had the do everything from installing appliances and a tankless water heater to unclogging a toilet. 💕”
Sally Lang
Google Review
“I recently had an emergency with my water heater over the weekend, and Iheb from Olson Superiror Plumbing truly saved the day. Dealing with a leaking unit is stressful enough, but finding someone reliable on a Sunday can be a challenge.”
Scott Shin (ScottS)
Google Review
Frequently Asked Questions
Common questions about this service. Need more details? Call us at (949) 328-6002.
Water heater installations typically range from $2,300-$8,500 depending on the type (tank vs tankless), fuel source, required upgrades (gas line, venting, electrical), and location. We provide upfront pricing before any work begins.
Handy Guides
Learn more about water heater repair & replacement at your own pace.
Gas vs. electric water heater: which is better for Southern California?
Gas vs electric water heater: which one makes sense for your Orange County home? Local utility costs, installation differences, and what we recommend after 142,000+ homes.
Tank vs. tankless water heaters: which is right for your Orange County home?
Tankless vs tank water heater. We break down costs, lifespan, efficiency, and what actually makes sense for Orange County homes. Honest comparison from a local plumber.
How much does water heater repair cost in Orange County?
What does water heater repair actually cost in Orange County? We break down common repairs, price ranges, and when replacement makes more sense. Honest numbers from a local plumber.
At your service, 24/7
Contact us for reliable plumbing and HVAC support.