Clifton View Homes Whidbey Island Custom
SIPs provided airtight construction to give homeowners the comfort of constant even temperatures throughout the house as desired. Homeowners wanted to be able to build a net zero energy home within a desired budget, SIPS were able to get them there.
Benefits of SIPS:
The SIP construction provided an airtight structure for the home, which tested at 0.7ACH50, as well as helped the homeowner with projected energy cost savings (annual savings of $1,728).
Innovative Design Elements:
- Walls: 6.5" SIPS (R-25) with corrugated house wrap and fiber cement siding.
- Roof/Attic: 10.25 SIPS (R-40), two-part polysio spray foam to seal rim joists and attic floor joists, composite roofing shingles.
- Foundation: Daylight basement with 11.75" ICFs (R-23) extending 12" below slab base; 4" (R-20) rigid foam under the entire floor slab.
- -Certified to DOE's Zero Energy Ready Home Program,
- Met requirements of ENERGY STAR Certified Homes Version 3.0
- Met requirements of U.S. Environmental Protection Agency's Indoor airPLUS
- Met requirements of the EPA's WaterSense program
- Met requirements of the 2012 International Energy Conservation Code.
- Built Green Washington,
- Four Star
HERS Index: -12
Blower Door Test: 0.7 ACH 50
- Air-to-water heat pump (COP 4.1) for radiant floor heat.
- Ventilation cooling.
- Air-to-water heat pump (COP 4.5, HSPF 15.5)
Energy-Saving Materials/Energy-Efficient Products/Designs:
- Triple-pane windows - triple-low-e, argon fill, U=0.20 to 0.2; SHGC= 0.22
- Lighting: 100% LED
- Appliances: ENERGY STAR dishwasher, refrigerator, clothes washer (most energy-efficient models)
- ENERGY STAR ceiling fans
Solar: .84-kW solar electric system, made in WA for incentives. 6-year payback due to the state production credits
"Aside from the absence of any meaningful energy bills, we enjoy the constant even temperature throughout the house. It simply doesn't fluctuate even when exterior doors are opened and closed." -Homeowner