Sunlight coming through the northern windows and hitting the thermal mass.

Winter sunshine benefits

A few cold, but sunny, days allowed our home to show off what it can do with sunlight. Light streaming through the large north facing windows quickly warmed the house in daytime. Solar panels produced more than enough electricity to supply our all-electric home's needs.

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Outdoor and indoor temperature graph

Testing outdoor versus indoor temperature

While the indoor temperature felt comfortable during hot summer days, I was left with the nagging feeling that wishful thinking was keeping me cool. Passive solar design should minimise the need for mechanical cooling for everything but a run of very hot days. Temperature monitoring data confirmed this is the case for our design.

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Star rating for house designs

Ideas from 10 Star house challenge

Just because a house design can be designed to reach the maximum energy rating of 10 Stars, does that mean we should aim for 10 Stars in our designs? We attended a talk by Tim Adams from F2 Design to find out the answer.

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