Photo courtesy of Nic Lehoux.
Bullitt Center
Seattle, WA
Business Type
Commercial office building
Size
50,000 square feet
Architect
Miller Hull Partnership
Owner
Bullitt Foundation
Certifications
- Net-Zero Water
- Living Building
- Architecture 2030
- Net-Zero Energy
The Bullitt Center is the world’s second largest commercial Living Building in an urban setting, achieving net positive energy, net zero water and net zero wastewater each year. The Bullitt Center has hosted over 60,000 visitors since it's opening.
Special Features
Net-Zero Energy:
- EUI (Energy Use Index) rating of 10kbtu/sf/yr
- A 242kW photovoltaic array produced 60% more energy than the building used in 2014
- Geo-exchange system harvests energy from the earth to provide efficient heating and cooling
- Radiant floor heating and cooling system
- Through our in-house research, the building “plug loads” are expected to be reduced 78% through the use of cloud-based servers, thin client work stations, and laptops replacing desktop computing equipment
- Achieved 83% energy efficiency
Net-Zero Water:
- 56,000-gallon cistern for rainwater harvesting
- Greywater reclamation
- Composting, vacuum-flush toilets that save water
- Rainwater filtration for potable uses
- Green roof and constructed wetland
- Achieved 80% water efficiency