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 Hybrid Heaters

  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 configuration for split Heat Pump Water Heater (HPWH) systems with recirculation in nonresidential buildings. This would include an alternative pathway for products on the Northwest Energy Efficiency Alliance (NEEA) Tier 3 qualified product list, including standardized configurations and…

• Circulator Pump Controls

  Measure Overview

  This measure would prescriptively require circulator pumps serving central service hot water systems in nonresidential buildings to have advanced pump controls. Applicable controls would include controls that are internal or external to the pump that reduce energy use at the pump and/or water heater. The…

• Process Steam #2 Condensate Return

  Measure Overview

  A process steam system is a steam-producing boiler system that serves loads other than space heating or service water heating for human occupants, such as manufacturing or industrial processes. A condensate return system, consisting of piping, collection tanks,…

• Process Steam #1 Flash Steam Recovery

  Measure Overview

  A process boiler is a type of boiler with a capacity (rated maximum input) of 300,000 British Thermal Units per hour (Btu/h) or more that serves loads other than space conditioning and service water heating…

• 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), 141.1(b)1 of T24 Part 6 by including the following measures:  

  Measure 1: Computer Room Economizers (Update Existing Sections 100.1, 140.9(a)1, 141.1(b)1…

• Daylight Responsive Controls for Greenhouses

  Measure Overview

  The proposed code change would introduce a new mandatory daylight responsive control requirement for greenhouses with supplemental electric lighting. The requirement would apply to greenhouse facilities with more than 40 kW of connected…

• 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 installation decision making simpler, as well as improving consumer-sized HPWH performance in nonresidential buildings.

  Provide Feedback

  This measure…

• Controlled Environmental Horticulture: Horticultural Lighting Efficacy

  Measure Overview

  The proposed code change would increase the mandatory photosynthetic photon efficacy (PPE) requirement for luminaires and lamps used for controlled environment horticulture (CEH) from 2.3 micromoles per joule (µmol/J) to a luminaire photosynthetic photon…

• Process Boiler #2 Automatic 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: Space Conditioning Systems for Indoor CEH

  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 CEH indoor growing spaces and would prescriptively require these systems meet key functional…

• 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 both…

• 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: Stack Economizer

  Measure Overview

  A process boiler is a type of boiler with a capacity (rated maximum input) of 300,000 Btu per hour (Btu/h) or more that serves loads other than space conditioning and service water heating related to human occupancy. A boiler stack…

• 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…