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DOE Tour of Zero: Hickory Ridge by Greenhill Contracting

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Home ยป DOE Tour of Zero: Hickory Ridge by Greenhill Contracting
1/10

Greenhill Contracting built this 3,912-square-foot custom home in Gardiner, New York, to the high performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.

2/10

The 10.26-kW PV system and highly insulated structure help the home perform as a net zero home that produces as much energy as it uses in a year.

3/10

The lack of pipes, flues, and vents coming out of this roof is a good thing. It means less holes where heat can leak out and water can leak in.

4/10

A daylight basement and insulated attic mean three floors of living space plus storage in the compact structure.

5/10

No-/low-VOC paints and finishes and an energy recovery ventilator fresh air system that continually draws in filtered fresh air help ensure clean air inside the home.

6/10

The basement slab is wrapped in a blanket of insulation including R-27 of closed-cell spray foam under the slab and R-22 ICF blocks wrapping the slab edges.

7/10

Wiring runs are covered with canned spray foam to maintain the continuous foam layer that covers the inside and outside of the ICF block walls.

8/10

Seams in the ICF block are sealed so the EPS foam surface can serve as the drainage plane; no house wrap is needed.

9/10

Before installing the triple-pane vinyl framed windows, the window rough openings are sealed with a liquid-applied flashing that provides a seamless moisture and air barrier to protect the wall from moisture intrusion.

10/10

The attics are insulated to R-64 with a hybrid application of 11 inches of open-cell spray foam (R-4.45/in) plus 2 inches of closed-cell spray foam (R-7.4/in) that completely fills the roof rafter cavities and encases the rafters creating a continuous blanket of insulation across the attic ceiling.

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