Public Workshop: Zero-Emission Appliances

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April 7, 2023

Public Workshop: Zero-Emission Appliances

Join public workshop on May 10, 2023 to provide input on CARB’s planning for the development of zero-emission appliance standards. 

en español

The California Air Resources Board (CARB or Board) staff invite you to participate in a virtual public workshop to provide input on CARB’s planning for the development of zero-emission standards for new space and water heaters. These standards will seek to reduce greenhouse gas (GHG) and smog-forming nitrogen oxides (NOx) emissions from new space and water heaters sold to meet California’s climate goals and federal air quality standards. At this workshop, staff will inform the public on why CARB will be developing zero-emission appliance standards and consult with the public about the key topics staff intend to analyze, the planned engagement process, and the values that would guide staff’s approach to developing the standards.

This workshop is the first in a series of workshops and focused meetings with interested parties that CARB will be hosting to inform the rulemaking process for zero-emission appliance standards.

Staff’s presentation and an agenda will be posted prior to the workshop on CARB’s Zero-Emission Appliance Standards website, where more information on the potential regulation can also be found.

Date:                 May 10, 2023
Time:                 9:00 a.m. – 12:30 p.m.
Location:           Virtual via Zoom – Please register through the link below


Please register as an attendee prior to the start of the workshop using the link provided. After registering, you will receive a confirmation email with information about how to join the webinar by computer or by telephone. 

The virtual meeting will be in English with Spanish interpretation. The meeting will be recorded and posted on the Zero-Emission Appliance Standards website 

Staff request public comments following the workshop be submitted using the informal comment submittal form by May 25, 2023. Comments submitted can be viewed on the workshop comments log webpage. 


Zero-emission appliance standards are part of California’s climate and air quality strategy as laid out in the 2022 Scoping Plan adopted in December 2022 and the 2022 State Strategy for the State Implementation Plan adopted in September 2022. Commercial and residential buildings are responsible for approximately 10 percent of GHG emissions and 5 percent of statewide NOx emissions in California from fossil gas combustion. Zero-emission space and water heaters sold in California after 2030 would reduce building-related GHG and NOx emissions to help the State meet its climate goal of achieving carbon neutrality by 2045 or earlier and assist California with meeting State and federal air quality standards and improving public health.   

CARB staff plan to take a proposed regulation to the Board for consideration no later than 2025 with any implementation beginning in 2030. 

More Information

If you have any questions regarding the workshop, please contact To stay informed regarding zero-emission space and water heaters standards, please sign up for updates via CARB’s “Building Decarbonization” GovDelivery topic. 


Special Accommodation Request

Consistent with California Government Code Section 7296.2, special accommodation or language needs may be provided for any of the following: 

  • An interpreter to be available at the meeting; 
  • Documents made available in an alternate format or another language; 
  • A disability-related reasonable accommodation. 

To request these special accommodations or language needs, please contact or (279) 208-7378 as soon as possible, but no later than five business days before the scheduled meeting. TTY/TDD/Speech to Speech users may dial 711 for the California Relay Service.