DOE Tour of Zero: Bates Avenue by Sunroc Builders
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Sunroc Builders built this 1,104-square-foot home in Winter Haven, Florida, to the performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.
ENERGY STAR–rated light-colored asphalt shingles help reflect heat, reducing solar gain during the hot weather in the Florida home.
The energy-efficiency features built into the compact, affordable home are expected to reduce energy bills by 36% compared to the 2009 International Energy Conservation Code.
The kitchen is equipped with an energy-saving ENERGY STAR-certified refrigerator and dishwasher.
EPA WaterSense-labeled fixtures save water in the bathrooms.
The high-efficiency windows use advanced technology coatings and argon gas between two panes to reduce heat transfer.
The home is equipped with a programmable thermostat to operate the high-efficiency (15 SEER) air-to-air heat pump, which is located within the conditioned space created by the structural insulated panel (SIP) framed roof.
Bathroom exhaust fans are timer-operated to encourage removal of moisture from the home.
The high-efficiency heat pump water heater is centrally located in a laundry room so that all hot water uses are less than 15 feet from the tank.
Air-sealing details at the foundation include a sill-sealing foam gasket and two beads of caulk on the 2-by-6 sill plate, which will serve as a spline at the lower edge of the SIP wall panel.
SIPs are precision cut in a factory and come to the site ready for quick assembly with almost no waste.
The uninsulated concrete floor slab will be stained and polished to serve as the home’s finished floor.
A 6-milimeter vapor barrier protects the underside of the slab from ground moisture.
The home’s 6.5-inch-thick SIP wall panels provide a continuous R-26 thermal blanket around the home.
Construction adhesive glues and seals the splines that are used to connect the SIP panels together for airtight, draft-free construction.
“I’ve made a 100% commitment to build to DOE ZERH.”
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“This house is my first DOE Zero Energy Ready certified home and I’m working on my second DOE ZER home. I’ve made a 100% commitment to build to DOE ZERH. This will be my niche. I researched other home labeling programs, but the DOE program gave the most bang for the buck. It fills the bill of the other programs, but I like DOE’s marketing support and it doesn’t cost me nearly as much as other programs.”
– Scott Willemsen, founder, Sunroc Builders