Climatic Information
ASHRAE
Technical Committee
4.2
Agenda
Upcoming TC Meetings
Tip: Copy and Paste Your Upcoming Meeting Information in this area.
Next full meeting is in Las Vegas, NV, USA, on 03 February 2026 from 1:00 pm - 3:00 pm local time (13:00 - 15:00 PST / 21:00 - 23:00 GMT).
All are welcome to join!
Please visit the Meetings page for details on upcoming meetings, including sub-committee meetings that are usually held about a month before the main meeting.
Minutes
- TC0402 Orlando Winter Meeting Minutes 20250211
- TC0402 Indy Annual Meeting Draft Minutes 20240625v0
- TC0402 Chicago Winter Meeting Minutes 20240123v1
- TC0402 Tampa Summer Meeting Minutes 20230627
- TC0402 Atlanta Winter Meeting Minutes 20230207
- TC0402 Toronto Annual Meeting Minutes 20220628
- TC0402 Las Vegas Minutes 20220201
- TC0402 Virtual Annual Meeting Minutes 20210623
- TC0402 Virtual Winter Meeting Minutes 20210119
- TC0402 Austin Minutes 20200616
- TC0402 Orlando Minutes 20200203
- TC0402 Kansas City Minutes 20190624
Committee Chair
TC0402@ashrae.net
Committee Scope
TC 4.2 identifies, researches, analyzes, and disseminates climatic data for design of sustainable built environments.
Upcoming Society Conferences
ASHRAE 2026 Winter Conference
January 31 - February 4, 2026
Las Vegas, NV
https://www.ashrae.org/conferences/2026-winter-conference
Additional Information
Do you want to be kept up-do-date about activities of TC 4.2, even if you are not a member? Ask to join the TC 4.2 Google Groups email list-serve by sending a request to the Webmaster or to the Chair.
ASHRAE RP-1923, Prepare Climatic Design Conditions for the 2025 ASHRAE HANDBOOK-FUNDAMENTALS and ASHRAE STANDARD 169, is now complete. Please check for the data in Chapter 14 of the Handbook - Fundamentals, and in the new online Weather Data Viewer, available at weather.ashrae.org. Please refer to the ASHRAE Climate Data Center for all these products. The map of all 10,000+ sites for which climatic design information is available is available on the ASHRAE website.
