Greenbusch develops sustainable building strategies to implement efficient, durable, and cost saving system designs. Our team is experienced with designing to various green building standards, including LEED, Energy Star, Washington Sustainable Schools Program, Evergreen Sustainable Development Standards, and Greenbuild.

Our acoustical engineers integrate acoustic performance with other sustainability goals, recommending finishes, space planning, and noise control measures that increase indoor environmental quality. We provide guidance on the key considerations for projects that deliver green performance as well as acoustic comfort.

Our mechanical engineers seek opportunities to integrate high efficiency mechanical systems to achieve low energy consumption as a regular part of our work, not just for projects with LEED certification goals. From material and equipment selection, to right-sizing mechanical systems appropriate for each project, to identifying alternate energy sources, sustainable design is a key to Greenbusch mechanical design.

Greenbusch Group has been involved over seventy-five LEED projects:


LEED Certified, Platinum

  • Fire Station 22 Seattle, Washington (Mechanical and Acoustical)
  • Helen Sommers Building at the State of Washington Capitol Campus Olympia, Washington (Acoustical)

LEED Certified, Gold

LEED Certified, Silver

LEED New Construction Certified

  • Fisher Pavilion at Seattle Center Seattle, Washington (Mechanical and Acoustical)
  • Percival Landing Park, Major Rehabilitation Project Olympia, Washington (Mechanical and Commissioning)
  • State of Washington John L. O’Brien Building Renovation Olympia, Washington (Vertical Transportation)
  • Fire Station 30 Seattle, Washington (Mechanical)
  • Kirkland City Hall Annex (Renovation) Kirkland, Washington (Mechanical)
  • Everett Community College, Walt Price Student Fitness Center Everett, Washington (Acoustical)
  • Mercer Slough Environmental Education Center Bellevue, Washington (Commissioning)
  • UW Tacoma, William W. Philip Hall Tacoma, Washington (Acoustical and Audio/Video design)
  • Seattle City Hall Seattle, Washington (Acoustical)
  • University of Washington, Savery Hall Seattle, Washington (Acoustical and Audio/Video)
  • UW Benjamin D. Hall Interdisciplinary Research Building Seattle, Washington (Acoustical), LEED Shell & Core - Gold
    • 1st Gold LEED Certified Building on University of Washington Campus
    • 1st Higher Education Building on West Coast to Achieve LEED Gold, Shell & Core