Domestic Hot Water

Related Measures

• Enhanced Air-To-Water Heat Pumps (AWHPs)

  Measure Overview

  This proposal seeks to introduce mandatory and prescriptive requirements in Sections 120.5 and 110.2, and JA2 for AWHPs. This measure includes two proposals: Limit the concentration of propylene glycol in some situations,…

• Unitary HP/ER Heaters in Systems with Recirculation

  Measure Overview

  This measure would add prescriptive requirements to Title 24 Part 6 to ensure that unitary Heat Pump / Electric Resistance (HP/ER) hybrid water heaters are specified and installed in a way that…

• Return-to-Primary Configuration

  Measure Overview

  This measure proposes to create a prescriptive pathway to require return-to-primary (RtP) configuration for split-system Heat Pump Water Heater (HPWH) systems in nonresidential (NR) buildings. This proposal would include an alternative pathway for…

• Circulator Pump Controls

  Measure Overview

  This measure would prescriptively require circulator pumps serving central water heating systems in nonresidential buildings to have advanced digital pump controls. Applicable controls would include internal or external controls that reduce energy…