ASHRAE World Headquarters

Commercial / 4th Quarter 2021

ASHRAE World Headquarters

December 14, 2021

McLennan Design, in partnership with Houser Walker Architecture and in collaboration with Integral Group, led the design of a new headquarters for ASHRAE, the professional association of heating, ventilation, air-conditioning, and refrigerating (HVAC&R) engineers, based in Atlanta, Georgia. The design team is tasked with renovating to net zero energy performance levels an office building built in the 1970s. ASHRAE, founded in 1894, is a not-for-profit global society advancing human well-being through sustainable technology for the built environment. It funds research projects, provides continuing education programmes, and develops technical standards for the advancement of HVAC&R systems design and construction with over 56,000 members worldwide. The renovation will serve as a benchmark for deep energy efficiency retrofits and provide a healthy, biophilic and productive work environment for ASHRAE’s employees and the volunteer committees that serve the industry.

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Project Name
ASHRAE World Headquarters

Peachtree Corners, GA

Completion Date

Site Area
11 acres

Gross Floor Area
69,000 square feet (building)

Number of Rooms

Building Height
30 feet without the basement (10 feet)


Design Architect
McLennan Design (Jason F. McLennan, Design Lead Architect)

Architect of Record
Houser Walker Architecture (Greg Walker, Partner-in-Charge/Interior Designer)

Main Contractor

Mechanical & Electrical Engineer
Integral Group

Structural Engineer
Shear Structural

Jonathan Hillyer

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