» McDonald St

McDonald St

The home had only a 3-star energy rating before undergoing Sustainable Home Transformation and the new design now has a 7-star energy rating! Some of the key features making it a Sustainable Transformation are : majority of the front & back gardens were preserved throughout construction, a number of materials from the existing house were repurposed and reused such as weatherboards, floorboards, roof rafters as pergolas, etc and all timber used in framing PEFC certified. The clever orientation & layout and elements such as thermally broken windows, solar power, good insulation, make our home a very comfortable & energy efficient home!

Sustainability Features

ENERGY AND WATER EFFICIENT FEATURES

- Energy efficiency:
- Efficient lighting
  Efficient appliances
- Passive heating cooling:
- Cross ventilation
  External planting
  Passive solar designed home
  Shading
  Thermal mass
- Active heating cooling:
- Ceiling fans
  Heat pump
  Hydronic
  Split system airconditioner
- Water heating:
- Hot water heat pump
- Water harvesting and saving features:
- Rainwater storage - Above ground
  Stormwater management
  Low flow shower heads
  Low flow taps
- Above ground rainwater storage Type:
- Existing Rainwater tank reused
- Energy Efficient Lighting
- LED lights throughout
  Natural daylight
  Skylight
- Window Protection:
- Deciduous tree/vegetation
  External window hoods/surrounds
  Solar pergola

SUSTAINABLE & RECYCLED MATERIALS

- Sustainable materials:
- Majority of the front and back Gardens are kept in place & maintained throughout the build Refurbished 3 existing double hung sash timber windows and made them double glazed rather than demolishing Existing Weatherboards repaired and repainted rather than demolishing Existing roof rafters in the demolished area are to be used in the new pergola (where practical and possible) Existing floorboards to be re-laid to study and hallway Dishwasher to be re-installed + Several Tap mixers to be reused Existing door handles & doors are reinstalled to bed 1, bed 2 & study Lights from existing hallway, lounge, bed 1, 2, & 3 to be re-used in same rooms Existing A/C Units are off gas & re-installed Existing Watertank and Pump to remain in use In slab & Panel Hydronic Heating- 16kw Galletti Hydronic Heat Pump PEFC Certified Framing Timber Rylock Windows Commercial Series Thermally Broken Frames Glazing Type: Double Glazed Low E comfort solution 1 x 3000L X 900 W Heka Hoods to provide shading Solar Power -5.625kW Stiebel Eltron Heat Pump 220 Litre - WWK222 Mostly 4 star water saving taps, some 5 stars ones
- Recycled and reused materials:
- Appliances
  Basins/sinks
  Bath
  Cladding
  Decking
  Doors
  Floorboards
  Light fixtures / fittings
  Roofing material
  Tapware
  Timber
  Windows

INSULATION SPECIFICATIONS

- Insulation Type:
- Under-roof
  Ceiling
  Internal walls
  External walls
  Floor
- Ceiling Type:
- Bulk – glass wool
- Ceiling Rating:
- R6 - Existing & R5 - New
- Floor Type:
- Bulk - glass wool
- Floor Rating:
- R2.5
- Under Roof Insulation Type:
- Reflective foil
- Under Roof Insulation Rating:
- R 1.5 50mm Anticon Roof Blanket
- Internal Walls Insulation Type:
- Bulk – glass wool
- Internal Walls Insulation Rating:
- R2.5HD
- External Walls Rating:
- R4
- External Walls Type:
- Bulk – glass wool

RENEWABLE ENERGY SPECIFICATIONS

- All-Electric Home?
- Yes
- Renewable energy used:
- Solar PV grid connect
- Size of PV system:
- 5.625
- Average Daily Energy Consumption:
- 11.4

COSTS AND COST SAVINGS

- Total cost of home when constructed:
- 600k, 2021
- Cost estimate of sustainable home/features:
- About 30k for solar panels, in slab hydronic heating, efficient & energy saving water heating unit & 4-star water saving taps
- Estimate of annual savings:
- 1200 (Solar) + more for Water heating Unit that extracts energy from the air to heat water

HOUSE DESIGN SPECIFICATIONS

- House Size
- 163 m2
- BAL Rating
- No BAL rating requirements at time of construction
- Roof
- Metal (Colorbond)
- Wall Materials
- Lightweight construction (timber frame)
- Window and Door Types
- Awning
  Double hung
  Low-e, films
  Retrofit Double Glazing
  Skylights
  Sliding windows/doors
- Universal design accessability
- Adaptive design
- Universal Design Features
- 100cm minimum door opening width
  Flush thresholds (no lip) to all external doors
  Hobless showers
  Lever handles for doors (no knobs)
  Loud doorbell/connected to flashing light
  Minimum 110cm wide hallways
  No stairs/steps
  No Corner cupboards
  Power points at 60cm above floor level and 50cm from internal corners
  Ramps and path gradients must be less than 20:1
  Shower head on rail for various heights
  Slip resistant flooring
  Strong fittings like towel rails that can be used as hand rails
  Window openings easily accessible
- Number of bedrooms
- 3
- Number of bathrooms
- 2

GARDEN AND WASTE REDUCTION

- Garden / Outdoors
- Bird-nesting boxes
  Frog friendly
  Organic
  Native plants
- Waste Reduction Practices:
- Recycle
  Repair
  Waste free/reduced construction site

HEALTHY HOME FEATURES

- Healthy home features
- Airtight house design
  Cabinet design to minimise dust collection
  Cross flow ventilation
  Natural light and ventilation

McDonald St 2021

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McDonald St

Sustainability Features

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