DOE Tour of Zero: Lakeside Luxury by Charles Thomas Homes
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Charles Thomas Homes built this 4,556-square-foot custom home in Valley, Nebraska, to the high performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.
The home’s design includes deep overhangs and covered porches that protect the walls and windows from high summer sun.
ENERGY STAR appliances and LED lighting add to energy savings in the efficient home.
Double-pane, argon-filled windows supplement the interior lighting with natural daylight.
All of the windows are low-e3, which means they have three layers of a very thin, nearly invisible, metal coating on the glass to reflect back radiant heat, helping to keep heat in in the winter and out in the summer.
Highly efficient SEER 16 air conditioners keep the home’s interior cool while two tankless 95% efficient gas boilers provide hot water for the fan coil system, which distributes heated air throughout the home using high-velocity small diameter ducts.
Two highly efficient tankless gas boilers provide endless hot water to the tubs, showers, and faucets, as well as to the fan coil system that heats the home.
No- and low-VOC products and finishes, an active radon mitigation system, very tight air-sealing, and a filtered fresh air intake help contribute to clean indoor air in the EPA Indoor airPLUS certified home.
The advance-framed 2-by-6, 24-inch on-center walls are filled with R-23 blown fiberglass. A coated, taped sheathing covers the exterior, providing both an air and water barrier behind the fiber cement siding and trim.
The rim joists and top plates are air-sealed and insulated with open-cell spray foam while closed-cell spray foam air seals and insulates behind tubs, showers, and fireplaces.