• Photo courtesy of Edward LaCasse.

  • Photo courtesy of Edward LaCasse.

  • Photo courtesy of Edward LaCasse.

PACCAR Environmental Technology Building, Washington State University

Pullman, WA

Project Categories

Laboratories and Higher education

Business Type

Higher-education research and academic building


96,000 square feet


LMN Architects


Washington State University – Pullman

PAE Role

Mechanical engineering

Pursuing LEED Gold


Percent better energy efficiency

than code requirements


Percent better water efficiency

than code requirements



  • Pursuing LEED Gold

Progress Report

Pursuing 21% energy efficiency
Pursuing 70% potable water efficiency

Special features

  • Variable-air-volume systems in the labs will reduce outside air requirements
  • A heat-recovery system will reduce the heating and cooling demands of the building. Heating and cooling energy produced by the building’s laboratories will be captured and returned to the building for reuse, in lieu of expelling it outdoors.
  • Rainwater harvesting for flushing toilets