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247 posts
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Eco friendly home for sale in Northland
Posted 12 May 10 9:07 PM
Features include:
Energy efficient heating, ventilation etc
Solar hot water heating
Rainwater recovery system
Low flow shower heads
Insulated hot water heater
Insulated hot water piping
Wool insulation
Grey water reuse
Solar powered walkway and outdoor lighting area
Passive solar design
Use of recycled building materials
Onsite stormwater dispersal system
Low VOC paints
Natural oil finished timber
The enormous brick fireplace acts as a heatsink.
Garden has permaculture design
Vermicast septic system: Worm powered
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6 posts
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Re: Eco friendly home for sale in Northland
Posted 20 May 10 4:55 PM
This is a very nice home and I wish you well with it's sale. However I would ask that you do not claim that it is or uses 'passive solar design' as it clearly does not. To qualify, I can see that your clerestorey windows allow light into the back of the home an that is a great feature to suppliment winter sunlight into the back rooms, however these are not the primary energy source and do they directly irradiate exposed and insulated themal mass? Your north facing veranda is attractive and useful but is at complete odds with passive solar gain, blocking too much sunlight into the home. The windows within the veranda have sills well above floor level, further limiting solar gain. Lastly your main floor surface is timber, very attractive indeed but not thermal mass and not a heat sink. You are correct about the heat sink around you fire, but it will only store heat from that fire, not from solar energy (unless those clerestorey windows irradiate those bricks, which I can't tell). My motivation here is not to criticise but to point out that the general public may get a false idea of what passive solar design actually is, and that is not useful when we are all trying to improve housing stock and energy efficiency. Thank you.
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3837 posts
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Re: Eco friendly home for sale in Northland
Posted 28 May 10 12:32 AM
I agree with the previous poster. I cannot see the passive solar as the veranda is completely shading the interior and is apparently north unless the solar panel is completely incorrectly orientated.... I also have certain difficulties seeing the feng shui. And the unthoughfully lush real-estate-agent talk rather lends itself to urge stomach ache. 3km down the driveway with your very eco car just to get to the house? I will hope the letterbox is not at the end of that driveway. And secluded from the neighbours that are supposed to become your friends? Please think that over. I do not think that whoever wrote that has any appreciation for what sustainability means and encompasses. Why are all those supposed eco-villages greenfield developments? Not better than any greenfield supermarket. Causing heaps of travel which are proven to be far worse in terms of GWP than any home heating. And using heaps of land that is not available for anything else.
Regards, Ingo
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