ECHO

PASSIVE HOUSE — GREEN BUILDING — MISSING MIDDLE Housing

SEATTLE, WASHINGTON

The Echo apartments is a design-certified Passive House, under construction in Seattle’s Lake Union neighborhood.

This 10-unit apartment building replaces a single-family structure in this residential urban village, adding important middle housing. It utilizes the stacked flats concept, pushing the bounds of the single-family envelope while maintaining an urbanism-friendly street frontage. The two homes on the ground floor are both fully accessible. And, the top two units have high ceilings with lofted sleeping areas.

Green Design: Echo is a Design Certified PHIUS (Passive House Institute US) Core 2021 project; specific elements include: thermal control, airtightness and moisture control, balanced ventilation, high-performance glazing; also pursuing 5-Star Built Green