Nonresidential

Related Measures

• Compressed Air Drying

  Measure Overview

  This proposal would add the following requirements for new and replacement air dryers:…

• 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,…

• HVAC Fault Detection and Diagnostics

  Measure Overview

  This measure proposes the following revisions to the required controls for space-conditioning systems (Section 120.2).  The proposed changes include updates to the requirements and adding definitions for clarity.  …

• 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…

• Process Steam #2 Condensate Return in Process Systems

  Measure Overview

  This measure would require newly constructed process steam systems and new, non-replacement process steam loads at existing facilities that meet a set of criteria to install a condensate return system that returns…

• Process Steam #1 Flash Steam Recovery or Reduction

  Measure Overview

  This measure would require newly constructed process steam systems and new, non-replacement process steam loads at existing facilities that meet a set of criteria to recover or reduce at least 35% of…

• Enhanced Dedicated Outdoor Air Systems (DOAS)

  Measure Overview

  This measure seeks to establish mandatory and prescriptive requirements for smart DOAS in non-residential new construction and additions and alterations, aligning with national best practices.  

  The measure package consists of…

• Reducing Maximum Airflow During Deadband Operation for Variable Air Volume HVAC Systems

  Measure Overview

  This proposed code change would modify prescriptive requirements for multi-zone variable air volume (VAV) HVAC systems in Section 140.4(c), such that the central air handler is required to be capable of turning…

• Data Centers Efficiency Improvements

  Measure Overview

  This proposal seeks to address data center/computer room code requirements in sections 100.1, 120.6(j)3 (mandatory), 140.9(a) (prescriptive), and 141.1(b)1 of T24 Part 6 by including the following sub-measures:  …

• Daylight Responsive Controls for Greenhouses

  Measure Overview

  Daylight Responsive Controls for Greenhouses 
  The proposed code change would introduce a new mandatory control requirement for greenhouses…

• Solar Heating for an Existing Pool and Spa

  Measure Overview

  Title 24 Part 6 sets requirements for pool heating systems. The current requirements are triggered when a new pool is built with a heating system or when an existing pool adds a…

• Nonresidential HPWH Ventilation Clean Up

  Measure Overview

  This measure would simplify the four compliance pathways in the 2025 code to make HPWH…

• Controlled Environmental Horticulture: Lighting Efficacy & Language Clean-up

  Measure Overview

  Currently, the Title 24 Part 6 code requires luminaires and lamps that are used for plant growth to have a minimum photosynthetic photon efficacy (PPE) of 2.3 micromoles per joule (µmol/J). The…

• Process Boiler #2 Conductivity-Based Blowdown & Deaerator Settings

  Measure Overview

  This proposal would add the following requirements for all newly installed process steam boiler systems with capacities at or above 10 MMBtu/h:…

• Controlled Environment Horticulture Prescriptive Requirements for Space Conditioning Systems

  Measure Overview

  This proposed measure would establish mandatory sizing requirements and controls requirements for space conditioning systems providing heating, cooling, and dehumidification to support plant growth in Controlled Environment Horticulture (CEH) spaces and would…

• Indoor Lighting Controls

  Measure Overview

  This measure proposes the following revisions to the mandatory control requirement section in the code (Section 130.1) and the associated acceptance test (NA 7.6 in the Reference Appendices). The proposed changes include…

• Fenestration Improvements

  Measure Overview

  This proposal recommends updates to two issues related to windows in nonresidential buildings: New Construction U-Factors in Climate Zones 1 and 16 for fixed and operable windows and Alteration U-Factors for fixed and…

• Indoor Lighting Power Density

  Measure Overview

  This code change proposal aims to update the mandatory methodology for allocating wattage to installed lighting wattage and update the prescriptive requirements on lighting power density (LPD) for nonresidential indoor spaces. The…

• Healthcare Exceptions

  Measure Overview

  The proposal seeks to eliminate selected exceptions for healthcare facilities in the building energy code. Specifically, for new construction, it would remove or revise exceptions in Sections 120.2(e), 140.4(d), and 140.4(m) in Title…

• Process Boiler #1 Non-condensing Stack Economizer Requirement

  Measure Overview

  This proposal would require boiler stack (non-condensing) economizers on process boilers with capacities at or above 10 MMBtu/hr. The requirement would apply to all new process boilers, including replacement boilers and boilers in additions to existing facilities, with the following exceptions: …

• Traction Elevators

  Measure Overview

  The proposed code change would add requirements as a new subsection to Section 120.6(f) of the California Building Energy Efficiency Standard’s mandatory requirements for elevators. The changes would add mandatory requirements for the…