Selah Vista | Selah, WA | SelahVistaHomes.com
“Everyone deserves to live in a healthy home.” Steve Weise, Leading Force Contracting Services
Layout: 2 bdrm, 1.75 bath, 1 fl, 1,701 ft2
Climate: IECC 5B, cold
Completed: April 2018
Category: custom spec
MODELED PERFORMANCE DATA
HERS Index: without PV 36; with PV -12
Annual Energy Costs: without PV $500; with PV $-150
Annual Energy Cost Savings:(vs typical new homes) without PV $450; with PV $1,100
Annual Energy Savings: without PV 6,500 kWh; with PV 16,300 kWh
Savings in the First 30 Years: $49,000
Walls: Double walls, 2x4 24" o.c. 11" cavity; taped 1⁄2" CDX sheathing air sealed with tape; EPS foam. Siding is reclaimed metal, wood, and natural hydraulic lime. Total = R-47.
Roof: Snap-lock metal and 40-year composition under solar panels.
Attic: Unvented, conditioned attic, 2" R-14 spray foam + R-38 fiberglass batt. Total = R-52.
Foundation: ICF foundation walls, 5" reclaimed foil-faced EPS under slab that is taped to ICFs.
Windows: Triple-pane, low-e, argon-filled, vinyl frames; U=0.17.
Air Sealing: 0.3 ACH 50.
Ventilation: ERV, MERV 13 filters.
HVAC: 3 ductless mini-split heat pumps.
Hot Water: Heat pump water heater.
Lighting: 50% LED on low-voltage 24-Volt DC circuits.
Appliances: ENERGY STAR refrigerator, clothes washer, range, and condensing clothes dryer.
Solar: 7.08-kW PV.
Water Conservation: Compact plumbing design.
Energy Management System: Whole house automation.
Other: Wi-Fi-enabled electric car charging station. Passive solar design, daylighting