DOE Tour of Zero: Southern Comfort by Charis Homes
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Charis Homes built this 4,631-square-foot custom home in Uniontown, Ohio, to the high performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.
The sliding doors to the screened porch are protected from the elements but allow in plenty of sunlight and natural cooling on mild days.
Behind the siding, the 2-by-6 walls are filled with R-23 of moisture- and fire-resistant stone wool insulation and wrapped in a breathable house wrap.
All of the home’s light fixtures are equipped with energy-saving LED bulbs.
The home’s laundry and kitchen appliances are ENERGY STAR-rated.
Endless hot water is provided by the 98% efficient tankless gas water heater, which is centrally located in the lower-level utility room.
Triple-pane argon-filled windows with low-emissivity coatings and a U-value of 0.27 let in the views but keep out the summer heat and winter chill.
A dimpled plastic water barrier protects the insulated concrete form basement walls.
The roof will be covered with a synthetic underlayment and waterproof barrier at the eaves, and all the top plates and penetrations through the ceiling drywall will be air-sealed before installing R-50 of blown cellulose insulation into the attic.
The home’s finished basement is protected from water intrusion by the ICF foundation walls and water-resistant barrier, as well as good site grading that creates a positive slope away from the house.