View Haus 5, WA

Introduction

View Haus 5 is Seattle’s first townhome development built to passive building standards, delivering healthy indoor air, thermal comfort, and quiet in the city’s urban core. Designed by the award-winning b9 Architects, View Haus 5 is named for its five distinct home designs that share views of the Cascade Mountains.

View Haus 5 consists of a mix of individually designed modern 3-story 2bd/2ba and 3bd/2ba units ranging between 1,100 and 1,700 square feet. Featuring one PHIUS-certified unit, all View Haus 5 units comply with the rigorous PHIUS+ Passive Building Standard.

These innovative homes are clad with reclaimed barn wood and feature ample outdoor spaces including a central common courtyard and private rooftop decks with gas grills. Inside, homeowners enjoy an open floor plan, large windows, double-height spaces, all LED lighting, an induction cooktop, zero VOC paints, custom locally-made cabinetry, high-performance European windows from Zola, and unit-specific electric car charging. View Haus 5 caters to individuals who value a higher quality of life with healthier indoor air, thermal comfort, and a lower carbon footprint – not to mention much cheaper energy bills.

Project Data
LocationSeattle, WA
Climate Zone4C
Size1,100 - 1,700 sf
Levels3
Construction TypeWood
WallsRoxul Rockwool insulation 
2x6 wall with exterior blown-in batts – fiberglass with 4-inch thermafiber, R-38.7 at total width of 10.5 inches
Average air change rate – 0.3 per hour
Average R-value of thermal envelope – R-24.5
RoofRoxul Rockwool insulation 
2x6 wall with exterior blown-in batts – fiberglass with 4-inch thermafiber, R-38.7 at total width of 10.5 inches
Average air change rate – 0.3 per hour
Average R-value of thermal envelope – R-24.5
FloorsConcrete: Floor R-45.4 at total width of 14.3 inches
MechanicalsMitsubishi Minisplit: MXZ-2B20NA-1
Zehnder Comfoair 350
  • Heating load: 3.69 BTU 
  • Cooling load: 4.71 BTU 
  • Total primary energy use intensity – 10.3kWh 
  • Total emissions, CO2-equivalent – 5.5lb
WindowsZola triple pane windows
Glazing U-value – 0.09-0.11 
Window frame U-value – 0.17