DOE Tour of Zero: Courtyard Rows by Thrive Home Builders
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Thrive Home Builders built this 3,128-square-foot multifamily project in Lone Tree, Colorado, to the high performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.
A highly efficient building envelope and a 6.2-kW solar PV system combine to provide the owners of this townhome with energy costs savings of $2,850 per year compared to typical new construction.
ENERGY STAR appliances add to energy savings.
The ENERGY STAR double-pane, vinyl-framed windows provide an exceptional insulation value at a U-factor of 0.21. Their low solar heat gain coefficient indicates minimal heat entry from the sun.
A highly efficient central air-source heat pump provides heating and cooling (HSPF 9.0, SEER 15.5).
The efficient tankless gas water heater speeds hot water to faucets with the help of a smart hot water recirculation pump.
This townhome project was constructed with double walls with two 2-by-4 advanced-framed walls providing a 9.5-inch wall cavity for R-41 of blown fiberglass insulation.
Open corners and open headers above windows are some of the advanced framing features that reduce lumber use and leave more space in the wall for insulation.
The rim joists are sealed with spray foam, which helps keep out drafts, pollen, and dust.
At Thrive Home Builders’ Building Science Center, home buyers can learn what makes a DOE Zero Energy Ready Home different from standard just-to-code new homes.
“The real test came when I moved in, got my utility bill, and all I can say is wow! The solar panels produce more energy than I am using, three months in a row so far!”
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“I thought I knew what was important when it came to energy efficiency, but Thrive Home Builders went way beyond my expectations. The real test came when I moved in, got my utility bill, and all I can say is wow! The solar panels produce more energy than I am using, three months in a row so far!”