Repair
Worth fixing? We'll tell you.
We check the failed part, the heater's condition, and the likely repair cost before recommending replacement.
Explore water heater repairNo hot water? Let’s fix that.
Water heater repair and replacement in the Phoenix Valley
We repair and replace tank and tankless water heaters for homes and businesses across the Phoenix Valley, and same-day service is often available, depending on the job. If you’re not sure what you need, we’ll help make sense of the options.
Hot water. Clear options. Written price before work begins.
Leaking water heater?Close the cold-water valve, shut off the gas or power if it is safe, and call. Our emergency line answers 24/7, and same-day emergency service is available.Leak first stepsCall 480-663-2255
Start here
Repair, replace, tankless, or commercial
Choose the closest match. If you are not sure, tell us what the heater is doing and we’ll help from there.
Diagnose firstSee if it can be repaired
No hot water, ignition trouble, controls, elements, thermostats, leaks, and performance problems all start with a proper diagnosis.
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Replace a tank heater
Choose a replacement that fits your home, your existing connections, and the amount of hot water you use.
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Is tankless right for you?
Find out whether tankless fits your hot water needs and what changes the installation would require.
Learn more
CommercialHot water for your business
Get repair or replacement planned around your business, busiest hours, and hot water equipment.
Learn more- A leaking tank usually points toward replacement.
- A control, element, thermostat, valve, or ignition failure may be repairable.
- Repeated failures and poor fit can make replacement the better value.
- Tankless is a system change, not just a different-shaped heater.
- Commercial demand and redundancy should be calculated, not guessed.
One local team
Your local water heater team.
Water Heater Warehouse AZ helps you choose the equipment, installs it correctly, and is here when it needs service. One local plumbing team handles the whole job for homes and businesses across the Valley.
- Local plumbing team
- Repair before replace
- Tank + tankless
- Residential + commercial
Start here
What is your water heater doing?
Choose the closest symptom to get a useful first step before service.
Choose a symptom above
We will show you the safest next step.
This guide does not replace an on-site diagnosis.
Replacement
The right heater for your home.
We help you choose a size and fuel type that fit your hot water needs, available space, and existing connections.
Plan a water heater replacementCommercial
Keep your business running.
We plan hot water service around your busiest hours, equipment needs, and the time you can allow for installation.
See commercial serviceReplacement budget ranges
What does a tank replacement cost?
Plan your budget with these ranges, based on past replacements from August 2025 to March 2026.
- Standard tank replacement
- $1,750–$2,800
- 75-gallon tank replacement
- $3,000–$3,300
Some installations cost more. We’ll confirm the full price in writing before work begins.
What affects the cost?
- The heater type, capacity, and warranty you choose
- Any changes to plumbing, gas, wiring, or venting
- Installation access, removal, and permit requirements
Tankless, heat-pump, and commercial systems are quoted separately.
Send a photo of the heater and its model label to help us get started.
Get my replacement quoteGuides
Water heater guides
Plain answers for Phoenix Valley homes and businesses.
Oct 2026
See all water heater guides What Temperature Should I Set My Water Heater To?
The DOE and CPSC recommend 120°F for most homes. Learn the scald times, when a hotter setting makes sense, and how to check the temperature at the tap.
Sep 2026How Long Does a Water Heater Last in Phoenix's Hard Water?
Tank water heaters are worth planning to replace after about 10 years; tankless units are rated near 20. How Phoenix Valley hard water affects both.
Get help
Request water heater service
Include the fuel type, approximate age, model information if available, symptoms, and whether the unit is leaking.