Peter Kruger

@theenergycrowd

Tweets about technology that opens up the renewable energy and green building market to secondary glazing suppliers and other construction services companies

On Sunday the top of the solar chimney got up to over 50C #passive #solar #energy

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1678 days ago

On Sunday the top of the solar chimney got up to over 50C #passive #solar #energy

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franceneubollin 1677 days ago

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