Page 30 - Green Builder Jan-Feb 2022 Issue

Key Components

APPLIANCES: Main house: 30-inch Samsung
induction range, 24-inch Bosch dishwasher,
36-inch counter depth Bosch refrigerator, Beko
compact heat pump dryer, Beko compact
clothes washer.
ADU: 18-inch Bosch dishwasher, 24-inch Bosch
refrigerator, 24-inch Beko wall oven, 15-inch
JennAir induction cooktop, Beko compact heat
pump dryer, Beko compact clothes washer.
BUILDING ENVELOPE: Exterior insulation:
Thermacork; WRB: Proclima Fronta Quattro;
KlimaGuard air sealing tape
CABINETS, SHELVES, MILLWORK: Smith &
Vallee custom prefinished birch
CAULKS AND SEALANTS: Pro Clima Aerosana
Visconn sealant
COUNTERTOPS: Formica
EXTERIOR FINISHES: Open joint rainscreen
Restoration Juniper siding
FOUNDATION: Floor joists have 16-inch R-43
dense-packed cellulose Long-term money saver. Low-flow fixtures, PEX piping and compact plumbing lead to extreme water
HVAC/DUCTS: Diakin ducted and ductless mini conservation, and put the property on the road to an estimated $41,500 in household savings by
split; central heat pump, 12.2 heating seasonal 2051. CREDIT: REBECCA GREENWOOD/GREENWOOD PHOTOGRAPHIC ARTS
performance factor (HSPF) rating, 17.7 SEER,
A/C variable-speed compressor
INSULATION: Dense packed cellulose (wall
cavity); 2-inch Thermacork (exterior insulation)
LANDSCAPING: Future green roof
LIGHTING: 100 percent LED
RENEWABLE ENERGY SYSTEMS (SOLAR,
WIND, ETC.): 6.38 kW photovoltaic solar array
ROOF: Gable roof: 16-inch parallel cord trusses
dense-packed with cellulose, topped with taped
membrane, 2x battens for air gap, half hand
plywood sheathing, self-adhered membrane,
standing seam metal roof. Flat roof: 2-by-10
rafters dense-packed with cellulose, ½-inch
plywood sheathing taped, R-12 tapered
polyisocyanurate foam board, TPO membrane.
VENTILATION: Main house: Zehnder CA 350;
ADU: Zehnder CA 180 heat recovery ventilator
(HRV), energy recovery ventilator (ERV);
MERV 13 filters, boost switches in bathrooms
WATER CONSERVATION: Low-flow fixtures,
PEX piping, compact plumbing
WATER HEATING: A.O. Smith 2.90 energy
factor (EF), 80-gallon heat pump water heater
WINDOWS, SKYLIGHTS, PATIO DOORS: Triple-
pane, argon-filled, low-e2, fiberglass frame;
Cascadia windows with 0.15 U-Factor, solar
heat gain coefficient (SHGC) of 0.43.
Study session. A naturally lit room with yard access via a low-e door serves as a study and unofficial
household library. CREDIT: REBECCA GREENWOOD/GREENWOOD PHOTOGRAPHIC ARTS

28 GREEN BUILDER January/February 2022 www.greenbuildermedia.com