Rammed earth passivhaus australia

rammed earth passivhaus home

This rammed earth passivhaus project includes internal rammed earth thermal mass wall, PV panels, heat recovery system, super insulation and stringent attention to preventing thermal bridging.

 

The client is passionate about efficient building and is designed to Passivhaus standards. We love collaborating with people who want to push the boundaries of sustainability. The courtyards are inserted to capture northern light and there was rigorous manipulation of the mass of the extension to maximise the access of winter sun. Improved efficiency of floor plan ensured the connection between the courtyard is useful, not just a corridor but a kitchen with windows on two sides looking onto the garden.

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Rammed earth passivhaus australia

Features

Type: Residential alteration & addition

Location: Armadale

Size: Site 435m2, Existing building 150m2, Proposed building 170m2 & shed 25m2, Garden/Outdoor Entertaining 241m2

Challenges: south facing block, heritage overlay, bulky adjoing properties, sloping block, targetting Passivhaus standard

Building Star Rating: TBC

Features: 3 bed, 2 bath, open plan living, lounge/home office, two courtyards for outdoor living, rammed earth wall, morphed butterfly roof

Sustainable strategy:

Hot water: sanden energy efficient hot water heat pump

Water Saving: 2 x 5,000 L underground water tanks, grey water divesion to garden

Renewable Energy: Solar PV system

Passive Design: Morphed butterfly roof provides high-level shaded north facing windows to bring light into south facing extension, minimised east/west glazing, airlock between existing and proposed, operable windows located for cross ventilation, high thermal mass in rammed earth and living slab, high level airtightness

Building materials: Rammed earth, Australian hardwood timber cladding stained, high levels of insulation to proposed and existing, steel framing minimised

Windows: Timber high performace double glazed windows

Active Heating & Cooling: MHRV (Mechanical Heat-Recovery Ventilation), Haiku Ceiling fans, Morso woodheater, hydronic towel rails

Lighting: Daylight maximised , LED fittings

Paints, finishes & floor coverings: Tectinic floor boards, low VOC paint throughout, external blinds shade doors & windows where necessary

Other ESD features: building footprint minimised to preserve garden for growing food

rammed earth passiv haus australia butterfly roof

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