Zero Energy Certified

THE CORK HAUS

VITAL STATS

Certification StatusZero Energy Certified
Version of LBC3.1
LocationSeattle, WA, USA
TypologyBuilding
Project Area1,711 SF
Start of OccupancyJanuary 2015
Owner OccupiedYes
Occupancy Type
Single Family Residence
Number of Occupants2

PROJECT TEAM

OwnerDwell Development
Owner RepresentativeAnthony Maschmedt
ArchitectJW Architects
Energy EngineerEvergreen Certified
Key SubcontractorsPuget Sound Solar, Washington State University, Built Green
Photo Courtesy of Dwell Development

BUILDING SYSTEMS INFORMATION

Wall R value and section specificationR-31.4. Double 2×4 stud wall, 12” cavity dense-packed R-46 cellulose, ½” OSB sheathing, fluid applied
Roof R value and section specificationR-100
Floor R value and section specificationR-41.6
WindowsTriple pane, low-e, argon filled, wood framed, .13 U-Value, .50 SHGC
Air infiltration rate and sealing protocol1.17 (ACH-50). Fluid applied water/air barrier, interior air seal, minimal penetrations on exterior walls.

MECHANICAL HEATING AND COOLING

Air Source Heat Pump, 50-gallon tank.

MECHANICAL VENTILATION

Merv 7 filters, Zendher 100 CFM.

LIGHTING

100% LED lights.

USER LOAD REDUCTION STRATEGIES

Optimizing southern and western exposure. Double height spaces that maximize natural light.

RENEWABLE PRODUCTION SYSTEMS INFORMATION

8.1 kW roof-mounted PV array.

PERFORMANCE

Actual energy use during performance period6546 kWh
Actual energy produced during performance period6632 kWh
Net Energy Use-86 kWh
EUI13 kBTU/sf/yr
Photo Courtesy of Dwell Development
chevron_left
chevron_right
Living Future 2023 Advocacy + Belonging May 3-5, 2023 Washington, D.C. Get your Early Bird Discount. Regiser Today! [logo] International Living Future Institute