Page 55 - Green Builder Magazine March-April 2018 Issue

roof. The house is designed for an annual electric use of 2,300 kWh,
or an annual energy index of approximately 207.7 kWh per square FROM THE JUDGES
foot. Excess power needs will eventually be offset by a 2.5-kW grid-
connected solar panel system. “Passive cooling and heating were
Green technologies and features incorporated into the house incorporated into this design. Excellent.”
include partial off-site prefabrication; black tiles for thermal mass
and heat storage; above-code insulation for floors, walls and ceilings;
insulated glass; a hot water heat pump; nearly 5,3000 gallons of storm
water mitigation; 5,300 gallons of rainwater harvesting; breathable Key Components
bio-paints for interior finishes; long-lasting, low-maintenance
metal cladding; pine fascia boards at roof and deck edges; seasonal ALTERNATIVE BUILDING SYSTEMS: Metra Panel, 36-mm-thick heavy duty
vegetable gardens; energy-efficient appliances; and water-efficient particle board
APPLIANCES: New Zealand-made, Fisher & Paykel, or reused appliances from
bathroom and kitchen fixtures. GB
previous home
AUTOMOTIVE (ELECTRIC CAR CHARGING, ETC.): Nissan electric charging
station
BEDROOM BUILDING ENVELOPE: Corrugated metal roofing; 12-mm Triclad textured
plywood with natural brown stain
CABINETS, SHELVES, MILLWORK: All cabinets use off cuts from 36-mm Metra
Panel board
CAULKS AND SEALANTS: James Hardie low-VOC sealants used throughout
COUNTERTOPS: Locally made 20-mm particle board; formica
DECKS: New Zealand-grown H3.1 pine; Carter Holt Harvey paint finish
DOORS AND HARDWARE: Phoenix Aluminum windows and doors
BEDROOM
EXTERIOR FINISHES: New Zealand-grown H3.1 pine; Carter Holt Harvey paint
GAME finish
ROOM
FLOORING: 6-mm black floor tiles, 10-mm grout, 6-mm cement board sheet
HOME CONTROLS: Phoenix Aluminum, Interlock, Assa Abloy
INSULATION: Extruded ClimaFoam Eco Insulation R2.8, 75-mm thick (floors
and walls); Alsynite Polygold Pure R3.6, 160 mm (roof)
LANDSCAPING: Native tree planting, composting and vegetable gardens
BATHROOM ENTRY LIGHTING: Lons LED recessed down light
PAINTS AND STAINS: Resene low-VOC paints and stains
PAVERS: Local boulders used
DINING ROOM
CAR PORT RENEWABLE ENERGY SYSTEMS (SOLAR, WIND, ETC.): 2.5-kW grid connected
solar panel system with Mitsubishi Electric panels and Enphase technical
KITCHEN components
ROOF: New Zealand-made Plumdek metal roofing
STRUCTURAL COMPONENTS: New Zealand-grown pine
VENTILATION: Passive ventilation though specific design
WATER FILTRATION: Direct source from municipal provider
WATER HEATING: Econergy hot water heat pump
WATER MANAGEMENT (INDOOR/OUTDOOR): Devan 20,000-litre rainwater
LIVING ROOM storage tanks
WINDOW COVERINGS: Weathermaster thermal honey cone Whisper
Shades R 1.2

Project Stats
DECK
NAME: Dundonald Street Environmental and Passive Solar House
ARCHITECT/DESIGNER: Solarei Limited
BUILDER: N/A
PHOTOGRAPHER: Sarah Marshall Photography

www.greenbuildermedia.com March/April 2018 GREEN BUILDER 53

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