RFMCO’s Matt Sittel Inaugurated as ASHRAE SoCal President

ASHREA President for heating association

R.F. MacDonald Co. Matt Sittel Begins Term as President of ASHRAE Southern California

Celebrating a Leadership Milestone
July 1, marks Inauguration Day for the ASHRAE Southern California Chapter, and R.F. MacDonald Co. is proud to recognize a very special member of our team.
We’re thrilled to congratulate Matt Sittel, Sales Engineer at R.F. MacDonald Co., on officially stepping into his new role as President of the ASHRAE SoCal Chapter.
Honoring the Installation
Matt’s inauguration follows a meaningful celebration at the ASHRAE Southern California Chapter Installation Dinner, held on June 14, 2025. This annual event gathered industry leaders, volunteers, and ASHRAE members to welcome the incoming board and honor their dedication to advancing the HVAC&R industry.

“Congratulations, Matt. This is a big accomplishment! Several of our RFM leadership members were thrilled to support you,”
— Jim MacDonald, Chairman of the Board, R.F. MacDonald Co.

Advancing the HVAC&R Industry
Matt brings to his new role a strong history of technical excellence, leadership, and an unwavering commitment to the HVAC&R community. His ongoing efforts to promote best practices, innovation, and professional growth make him a natural fit for this important leadership position. At R.F. MacDonald Co., we are proud to support Matt in this journey and look forward to seeing the impact he’ll make in the year ahead—not only within ASHRAE but across the broader engineering and mechanical systems industry.

About ASHRAE and the Southern California Chapter
The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is a global professional organization committed to advancing the arts and sciences of heating, ventilation, air conditioning, and refrigeration (HVAC&R) to serve humanity and promote a sustainable world. Founded in 1894, ASHRAE has grown into an influential leader in setting standards, developing guidelines, and providing technical education across the building systems industry.

With over 50,000 members worldwide, ASHRAE serves as a central hub for engineers, contractors, architects, facility managers, researchers, and students who are passionate about energy efficiency, indoor environmental quality, system performance, and sustainable design.

The ASHRAE Southern California Chapter—commonly known as ASHRAE SoCal—is one of the most active regional branches in the organization. Based in one of the largest and most complex HVAC&R markets in the world, the chapter brings together professionals across Los Angeles, Orange County, and the Inland Empire. Its mission is to provide ongoing education, networking opportunities, and industry advocacy at the local level.

Congratulations, Matt!
All of us at R.F. MacDonald Co. are incredibly proud to congratulate Matt Sittel on his inauguration as President of the ASHRAE Southern California Chapter. This is a major achievement and a reflection of Matt’s deep commitment to the HVAC&R industry and the ASHRAE community. ASHRAE is a globally respected organization that drives innovation, education, and sustainability in building systems and design. The Southern California Chapter plays a vital role in supporting local professionals, and we’re honored to see one of our own take the lead. We look forward to supporting Matt in this new chapter and celebrating the positive impact he will no doubt make.