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OUR REGION'S CHAPTERS

Central Arizona

Phoenix, AZ

Chapter #086

Chartered 1953

Chapter President:

Cameron Shaner

Trane

c086@ashrae.net

Cameron_edited.jpg

Redwood Empire

Napa, CA

Section of Golden Gate

Chartered 1988

Golden Gate

San Francisco, CA

Chapter #082

Chartered 1937

John Plecnik Headshot (1)_edited.jpg

Chapter President:

John Plecnik

Ascent HVAC

c082@ashrae.net

Sacramento Valley

Sacramento, CA

Chapter #081

Chartered 1952

Chapter President:

Felipe Victoria

​Frank M. Booth

c081@ashrae.net

Coming Soon Neon Light

Hawaii

Honolulu, HI

Chapter #108

Chartered 1969

John Fuller_edited.jpg

Chapter President:

John Fuller

Trane

c108@ashrae.net

San Diego

San Diego, CA

Chapter #085

Chartered 1959

Chapter President:

Eric Valine

​Vertical Systems, LLC

c085@ashrae.net

Eric Valine.JPG

Northern Nevada

Reno, NV

Chapter #126

Chartered 1975

Chapter President:

Julia Stueve

RHP Mechanical

Systems

c126@ashrae.net

Julia Headshot_edited.jpg

San Joaquin

Fresno, CA

Chapter #083

Chartered 1955

Chapter President:

Ezequiel Fregoso

c083@ashrae.net

Coming Soon Neon Light

Orange Empire

Anaheim, CA

Chapter #105

Chartered 1968

Chapter President:

Jackson Aplanalp​​

​Western Allied Corp.

c105@ashrae.net

Jackson.jpg

San Jose

San Jose, CA

Chapter #101

Chartered 1965

Chapter President:

Rob Potter

​Stok

c101@ashrae.net

Rob Potter.jpeg

Sierra Delta

Stockton, CA

Chapter #144

Chartered 1984

Chapter President:

Ruben Willmarth

​Norman S. Wright

c144@ashrae.net

Coming Soon Neon Light

Southern California

Los Angeles, CA

Chapter #084

Chartered 1930

Chapter President:

Shahpoor Khosravi

c084@ashrae.net

Coming Soon Neon Light

Southern Nevada

Las Vegas, NV

Chapter #092

Chartered 1962

Chapter President:

Chad Langille

​FEA Consulting Engineers

c092@ashrae.net

Chad Langille_edited_edited.jpg

Tri County

Redlands, CA

Chapter #155

Chartered 1988

Chapter President:

Cole Lemieux

​R.F. MacDonald

c155@ashrae.net

Coming Soon Neon Light

Tucson

Tucson, AZ

Chapter #087

Chartered 1959

Chapter President:

Ruby O'Brien-Metzger

KC Mechanical Engineering

c087@ashrae.net

Ruby_edited.jpg

This website is maintained by Region X of ASHRAE. It does not present official positions of the Society nor reflect Society policy. Region X may not act for the Society and the information presented here has not had Society review. To learn more about ASHRAE activities on an international level, visit the ASHRAE website at www.ashrae.org

© 2026 by ASHRAE Region X

ASHRAE Society Website: www.ashrae.org

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