Home » DOE Tour of Zero: Howell Street by TC Legend Homes
DOE Tour of Zero: Howell Street by TC Legend Homes
Addthis
1 of 7
TC Legend Homes built this 788-square-foot accessory dwelling unit behind the homeowners’ existing house in Seattle, Washington, to the performance criteria of the DOE Energy Zero Energy Ready Home (ZERH) program.
2 of 7
The walls of this house are constructed using 6-inch structurally insulated panels with an insulation value of R-29. The seams of the panels are taped, and the cement board siding is caulked at all seams to prevent air leaks.
3 of 7
The triple-paned, vinyl-framed windows offer exceptional insulating values.
4 of 7
The 10-inch-thick SIP panel roof is fully covered with ice-and-water shield and offers a complete thermal, air, and water barrier to protect the home from the elements.
5 of 7
For increased energy savings, this home has ENERGY STAR appliances, advanced LED lighting, and water-saving plumbing.
6 of 7
Clerestory windows fill the home with daylight.
7 of 7
The entire home’s heating and cooling needs are met by one ductless mini-split air-source heat pump.