"Building a sustainable future for our customers, employees, and the environment—The DOE ZERH program helps us do that."


Key Features

  • Walls: 2x6 24" o.c., panelized, R-23 total: advance framed, 5.5" blown fiberglass in cavity, 7/16" OSB, house wrap, 20-gauge stucco netting, 3/8" cement base coat stucco.
  • Roof: Truss gabled roof: 7/16" OSB sheathing, 1 or 2 layers #15 felt, asphalt shingles.
  • Attic: 16" vented, R-60 blown-in fiberglass, 12" raised heel energy trusses.
  • Foundation: Insulated basement: 8" poured concrete, waterproof membrane on exterior, interior framed wall has R-21 blown fiberglass, R-19 batts in rim joists.
  • Windows: Double-pane, low-e, vinyl frame; U=0.28, SHGC=0.30-0.35.
  • Air Sealing: 1.60 ACH50, aerosol sealant; drywall gaskets; spray foamed rim joists and top plates.
  • Ventilation: ERV, MERV 8 filter at the air handler, 1.2 CFM/Watt, 67 SRE, 79 ASRE, 50 ATRE.
  • HVAC: Gas furnace, 97 AFUE, 13 SEER AC unit, ECM blower, rigid metal, ducts in conditioned space.
  • Hot Water: Gas tankless, 0.97 UEF.
  • Lighting: 100% LED.
  • Appliances: ENERGY STAR refrigerator, dishwasher, clothes washer.
  • Solar: Solar ready.
  • Water Conservation: Low-flow fixtures, recirc pump, drip irrigation.
  • Energy Management System: Programmable thermostat.
  • Other: EV charging, low/no-VOC wood products, paints, finishes, carpet pad and glue.

Building Specifications

Conditioned Area 3,180 ft2
Bedrooms 5
Bathrooms 3
Stories 1
Climate Zone 5B
Completion Date March 2021