Licensed & Insured: CSLB #1057926
Trusted Plumbing Experts in San Jose


San Jose Tankless Water Heater Installation and Repair Services
Tankless water heaters are a smart solution for San Jose residents looking to improve energy efficiency and gain unlimited hot water. At Repipe Champions Plumbing and Rooter Inc., we specialize in professional tankless water heater installation and repair throughout the San Jose area.
Whether you’re upgrading from a traditional tank or replacing a malfunctioning unit, our licensed technicians will recommend the right model for your home, ensure proper sizing, and complete a clean, code-compliant installation. If your current system is leaking, making noise, or failing to produce hot water, we also offer same-day tankless water heater repairs to restore your system quickly and efficiently.
From new installs to emergency repairs, our San Jose plumbing team delivers reliable, long-lasting results backed by local expertise and trusted service.

Common Tankless Water Heater Issues & Solutions in San Jose Homes
We service and install all major tankless water heater brands in San Jose, including Navien, Noritz, Rinnai, and Rheem. Whether you’re dealing with inconsistent hot water or planning a full system upgrade, here’s what our team can help with:
Installation Services:
• Full tank-to-tankless conversions
• New construction or remodel-ready installs
• Gas, electric, and hybrid system hookups
• Venting and flush valve installation
• Sizing assessments for whole-home or point-of-use systems
Repair Services:
• Diagnostic testing for ignition or sensor failure
• Flow rate or temperature issues
• Error code troubleshooting and part replacement
• Descaling and maintenance flushing
• Gas line and electrical repairs for system restoration
Our San Jose tankless water heater specialists arrive fully equipped to handle any service—whether it’s a precision install or a fast, same-day repair. With every job, we prioritize energy efficiency, warranty protection, and customer satisfaction.
Tankless Water Heater Services Available in These Bay Area Cities
Campbell
Cupertino
Gilroy
Los Altos
Los Altos Hills
Los Gatos
Menlo Park
Milpitas
Monte Sereno
Morgan Hill
Mountain View
Palo Alto
Portola Valley
san Jose
Santa Clara
Saratoga
Sunnyvale
Woodside
If you are not listed above, please reach out and we'll do our best to assist you.