Full-Service
Plumbing Experts
serving the
San Francisco Bay Area

No. If your existing gas water heater is working, you are not required to replace it simply because of the Bay Area’s upcoming zero-NOx requirements. The rules generally apply when a water heater is replaced, not to existing units that remain in service.

The Bay Area Air Quality Management District is currently considering changes to the rule, including a possible delay in the requirements for residential water heaters and additional exemptions for certain homes. Because the regulations are still evolving, replacement options available in 2027 and beyond may depend on the final rules adopted.

Rebates and incentives may also be available for qualifying heat pump water heater installations. Programs, eligibility requirements, and funding can change, so homeowners should check current incentives when planning a replacement.

Gas tank water heater replacement typically runs $1800-$3500. Tankless installation costs $2000–$5000. Heat pump water heater installation ranges from $4800-$6000 before rebates. We always provide written quotes before starting any work.

Prices vary based on size and other factors.

We install all major brands including Bradford White, A.O. Smith, Rheem, State, American, Navien, Noritz, Rinnai, and more. For gas tank units, we typically recommend Bradford White. For tankless, we prefer Navien or Noritz. For heat pump, Bradford White AeroTherm, Rheem ProTerra, and A.O. Smith Voltex are our top picks.

Yes. Water Heater Boys LLC holds California Contractor’s License #1134458. We are fully insured with general liability and workers’ compensation coverage. All our technicians are background-checked and factory-trained.