• Image courtesy of EHDD

Pacific Seas Aquarium, Point Defiance Zoo & Aquarium

Tacoma, WA

Project Categories

Civic + cultural

Business Type

Renovation and expansion of existing aquarium


31,600 square feet


Percent better energy efficiency

than code requirements


Percent better water efficiency

than code requirements


Progress Report

Pursuing 30% energy efficiency
Pursuing 50% potable water efficiency

Special features

  • 100% outside air system provides exceptional indoor air quality
  • Heat-recovery air-to-water heat pump and heat-pump recovery loop reduce energy and operational costs while providing effective heat exchange
  • Radiant floors provide active heating
  • Rainwater-reclamation system for flushing toilets