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Multi-Family Residential

303 Battery Street

Seattle's greenest apartment tower

Seattle, WA

303 Battery Street is a 15-story, 112-unit complex in Seattle’s Belltown neighbourhood, and is one of the first residential towers to be certified as Zero Net Energy by the International Living Future Institute (ILFI).

The entire building, from slab to roof was built in just 12 weeks.

Sustainable Living Solutions (SLI) is the innovative company behind the revolutionary building technology.

Customer Highlights

Product Installed Project Type Project Size Commissioned Developer Engineer Architect
PIRANHA T15 Multi-family Residential - Coming Soon SLI Stantec Collins Woerman
Application Max DHW Temp Approx % DHW Load Design Energy Output (MBH) Design Cooling Capacity (MBH) Average PIRANHA Efficiency (COP) Baseline Baseline Efficiency
DHW 120°F / 49°C 73% 180 N/A 3.6 Electricity 100%
GHG Reduction (metric t CO2e/year) Net Energy Reduction (MMBTU/year) Energy Reduction vs. Baseline Avoided Fossil Fuels (therm/year) Approximate Impact
Cars off Road Tree Offsetting CO2e
20.8 153,206 44% - 4.5 945
Watch the amazing 303 Battery construction video!

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