Zero Energy SIP House Whitewebs Greenbank WA

Location: Greenbank, WA

Project Information

Project Type:	Residential, < 3,000 sq. ft.
Manufacturer:	Premier Building Systems
Builder:	Clifton View Homes
Design Professional:	Zero Energy Plans
Year Built:	2015

Performance

High Performance:	Yes
HERS/EUI Index Score:	50
ACH50 - Blower Test Results:	0.9
kBtu/sq.ft./year:
CO2 lbs./sq.ft./year:

Awards/Certifications: DOE Zero Energy Ready Home

SIP home certified as Zero Energy Ready by the United States Department of Energy.

KEY FEATURES
• DOE Zero Energy Ready Home Path: Performance.
• Walls: R-25: 6.5" SIP walls, draining house wrap, fiber cement plank siding.
• Roof: R-40: 10.25” SIPs, 30# felt, comp. shingles, R-40 assembly.
• Attic: Cathedral ceilings, small mechanical attic above upstairs bath in conditioned space.
• Foundation: Slab-on-grade, 4" R-20 rigid foam under slab, 2" R-10 rigid foam on inside of stem wall down to the footing, over 2" pea gravel and 6-mil poly vapor barrier.
• Windows: Triple-pane, low-e, U=0.20.
• HERS: 50.
• Air Sealing: 0.9 ACH 50.
• Ventilation: Continuous bath exhaust, fresh air intake with HEPA filter, timered range fan.
• HVAC: Ductless heat pump, 10.0 HSPF, 21 SEER.
• Hot Water: 94% efficient electric water heater.
• Lighting: 100% LED or CFL.
• Appliances: ENERGY STAR refrigerator, dishwasher, clothes washer, clothes dryer.
• Solar: Pre-wired for PV.
• Water Conservation: All low-flow faucets & fixtures.
• Energy Management System: “None required, this house manages itself!”
• Other Measures: Designed and wired for 10.26-kW PV and electric car charging station. SIPs will withstand an 8.0 earthquake.

DOE project link: Zero Energy SIP House Whitewebs Greenbank WA