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Residential Instantaneous Water Heaters

Measure Description

Revise the prescriptive requirements for water heaters in single family homes and multifamily buildings with dedicated water heaters for each dwelling unit so the primary prescriptive pathway is based on a gas instantaneous water heater.

Stakeholder Meeting

Several stakeholder meetings and CEC staff workshops were held regarding the Residential Instantaneous Water Heaters building energy efficiency topic. The list of past meetings and hearings can be found here.



  1. Final CASE Report
  2. Final CASE Report Addendum

Give Us Your Feedback

The Statewide CASE Team values input from all stakeholders engaged in the Title 24, Part 6 code change process. We encourage the open exchange of code change comments and concerns.

  • Use the form above to provide feedback on this measure.

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