"Happy customers who have smoke-free air in their homes during fire season."


Key Features

  • Walls: 2x6, 16" o.c., R-28 total: advanced framed, 1" EPS, 1/2" plywood sheathing, draining housewrap, fiber cement siding.
  • Roof: Truss shed roof: flat 24" truss, composition shingles, monoplane angled for solar.
  • Attic: Unvented attic: 22" R-60 blown-in fiberglass in attic, 24" raised heel energy trusses.
  • Foundation: Slab on grade: R-20 EPS under slab, R-7.5 EPS on exterior of stem wall.
  • Windows: Triple-pane, argon-filled, low-e3, vinyl frame, U=0.18, SHGC=0.29.
  • Air Sealing: 1.0 ACH50, detailed hand sealing of penetrations at ceiling, sill seal gasket at slab on grade.
  • Ventilation: HRV, MERV 6 filters, 1.58 CFM/Watt, 77 SRE.
  • HVAC: Ductless mini-split heat pump with variable speed compressor, 11 HSPF, 20 SEER. Infrared cove heaters upstairs.
  • Hot Water: Electric tank, 50-gal, .95 EF.
  • Lighting: 100% LED, photo sensors on exterior lights.
  • Appliances: ENERGY STAR refrigerator, clothes washer, heat pump clothes dryer.
  • Solar: 9.9 kW, rooftop panels.
  • Water Conservation: Low-flow plumbing, PEX piping; stormwater infiltration under alley.
  • Energy Management System: N/A
  • Other: EV charging, accessible floorplan, bath, showers. 1st floor live-work space. No/low-VOC paints, adhesives, caulks, stains; salvaged lumber; recycled content insulation, drywall, and metal siding

Building Specifications

Conditioned Area 1,804 ft2
Bedrooms 2
Bathrooms 2
Stories 3
Climate Zone 4C
Completion Date January 2019

Modeled Performance

  With PV No PV
HERS Index -13 47
Annual Energy Cost ($100.00) $750.00
Annual Energy Cost Savings $1,800.00 $950.00
Annual Energy Savings 18,000 kWh 7,600 kWh
First 30 Years Savings $72,900.00 $39,100.00