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    Water Heater Warehouse - Emergency Water Heater Repair & Installation Fullerton, CA
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    Fullerton CA Water Heater Repair & Installation Specialists

    Emergency Water Heater Service | Licensed Plumber | Orange County

    Licensed & insured water heater repair specialists serving residential homes, commercial businesses, and multi-unit properties throughout Fullerton, Anaheim, Brea, Placentia & all Orange County, California.Same-day emergency water heater service with upfront pricing, no hidden fees. Expert tankless water heater installation, traditional water heater replacement, and same-day emergency plumber services.

    Child washing hands with warm water - family water heater services by Water Heater Warehouse

    Reliable Hot Water Every Day

    Father helping child with warm bath - quality water heater service for families

    Perfect Temperature for Your Family

    Professional Noritz tankless water heater installation by licensed technician

    Expert Installation Guaranteed

    Emergency Water Heater Repair

    ⚡ Same-day emergency repair service for all water heater brands. Expert diagnosis & repair to restore your hot water fast.

    • Same-day service (call before 1pm)
    • All brands & models
    • Upfront pricing guarantee

    Tankless & Traditional Water Heater Installation

    Professional installation of tankless & traditional water heaters. Licensed, permitted work with full warranty coverage.

    • Free on-site estimates
    • Licensed CA contractors
    • Manufacturer warranty included

    Emergency Water Heater Service

    Same-day emergency water heater service throughout Fullerton & Orange County (when you call before 1pm). No extra charges for weekends or holidays.

    • Same-day service (call before 1pm)
    • Rapid response time
    • No weekend/holiday surcharges

    Residential Service

    Complete water heater solutions for homes including maintenance and energy-efficient upgrades.

    • Home inspections
    • Maintenance plans
    • Energy efficiency

    Commercial Service

    Commercial water heater solutions for businesses, restaurants, and multi-unit properties.

    • Commercial grade
    • Bulk pricing
    • Service contracts

    Maintenance Plans

    Preventive maintenance to extend your water heater's life and prevent costly breakdowns.

    • Annual inspections
    • Priority service
    • Cost savings

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    Residential water heater services

    Home water heater service starts with your household's needs: peak hot water demand, bathrooms, available space and fuel supply. We discuss tank and tankless options, gas and electric equipment, sizing, and permit and code requirements before recommending a repair or replacement.

    Home inspections can check the heater's condition, connections, venting and safety controls. For heating problems, service may involve elements, thermostats, ignition components, valves or pipe connections. A leaking tank body needs replacement rather than a patch; a fitting or valve leak may be repairable after diagnosis.

    Preventive care can include tank flushing, anode rod inspection, temperature checks and relief valve assessment as appropriate for the model. Maintenance plans cover ongoing care; one-time tank flushing is a separate service.

    For efficiency upgrades, compare the equipment's energy rating, insulation, controls and installation requirements against your usage. Heat pump models need suitable airflow and electrical supply; tankless units need adequate fuel supply and venting. We explain the options, scheduling and ongoing support for your home without assuming every upgrade fits every property.

    For existing heater problems, explore water heater repair, or call to discuss an inspection and the next steps for your equipment.

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    Contact Fullerton's #1 Emergency Water Heater Specialists

    Need emergency water heater repair or installation in Fullerton, CA? Call (714) 244-8562for same-day service (call before 1pm). Licensed, insured, and 5-star rated!

    Call Us Now

    (714) 244-8562

    Same-day service (call before 1pm)

    Service Area

    Fullerton, CA & Surrounding Areas

    Orange County • Los Angeles County • Inland Empire

    Business Hours

    Mon–Fri7:00 AM – 7:00 PM
    Sat8:00 AM – 5:00 PM

    Emergency calls answered 24/7

    Same-Day Service (Call Before 1pm)

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    What customers say

    “Was shopping for a tankless water heater to replace the previous one. The technicians showed up on time. The install was very clean and professional. They definitely knew what they were doing. Additionally, the office staff was very friendly and helpful. We would highly recommend!”
    Paul G. · Google · 2026-11-04
    “Eddie and his partner did a great job of installing a new water heater. Very efficient time wise and good follow-up with checking to make sure that if I had questions he would address them. I recommend the Water Heater Warehouse!”
    Ray D. · Google · 2026-11-02
    “Contacted the company this A.M. Was able to arrange for a water heater replacement the same afternoon. And they arrived 1 hour early, which was wonderful. Would definitely work with them again.”
    Karen K. · Google · 2026-10-13
    “They showed up when they said they would, were friendly and informative, and didn't try to gouge me on price. No complaints!”
    Alan W. · Google · 2026-10-14
    “Very happy with the replacement of my water heater that unexpectedly started leaking. Appreciate Gavin who smoothly got me an appt same day, and to the amazing installers who came out in the hot weather and worked so quickly amd efficiently! I was so pleased with the work they did. It was incredibly fast and looked pristine! I 1,000 % recommend this company!”
    Jessica O. · Google · 2026-10-08
    “Chris and James did a great job with my tankless water heater install. They were professional, courteous, and well prepared for the install. They kept me informed about their arrival time, and as the project proceeded. The entire job was done efficiently and timely. I would highly recommend Chris and James from Water Heater Warehouse if you are considering a new tank or tankless water heater!”
    Darryl C. · Google · 2026-10-08