DOE Tour of Zero: Bennett Drive by TC Legend Homes
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TC Legends Homes built this 1,040-ft2 affordable home in Bellingham, Washington, to the high performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.
The 10.25-inch-thick roof panels provide continuous insulation across the roof deck and vaulted ceilings throughout the home’s interior.
ENERGY STAR appliances and low-flow plumbing fixtures add to energy and water savings.
The insulated concrete slab is sealed and polished to provide a durable inexpensive flooring that also provides thermal mass.
A mini-split heat pump provides highly efficient heating and cooling.
Triple-pane windows are highly insulating (U=0.18) to slow heat transfer while letting in plenty of sunlight.
The heat pump uses 5.33 times less electricity to heat the space than a conventional electric resistance heater.
Graphite-enhanced structural insulated panels come to the job site pre-cut and ready for quick assembly into an airtight, continuously insulated structure.
Air sealing measures include caulking at rim joists and taping of SIP panel seams.
All penetrations through the base plate are caulked or foamed.
“Being able to produce enough energy to power our car and the house at the same time is fantastic.”
“We like the clean air and … the sound is amazing; we live on an auxiliary road and we hardly hear any cars. Being able to produce enough energy to power our car and the house at the same time is fantastic.”