Sustainability
Rainwater – Safety
Millions of people have lived long healthy lives drinking rainwater . . . . but that’s doesn’t mean that rainwater is entirely pure, or completely safe for everyone. Composition The following Chemicals are commonly found in rain: Hydrogen, Ammonium, Calcium,…
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Insulation Basics – Calculating R Values
A previous post –introduced R and U values In this post we will demonstrate how to calculate R values. Well it all starts with the thermal conductivity of the building material. The ‘k’ value. This is a measure of how fast…
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Insulation Basics – ‘R’ and ‘U’ Value
R Value R1.5 Batts, R2.0 Batts……. all the way up to R6.0 Batts, but what does it all mean? The R value is a measure of the thermal resistance of the component of the material. In other word how hard…
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Induction Hobs
Why we wanted an induction hob About a year ago we started thinking about going all electric. We had previously gone from gas ducted air heating to reverse cycle units and installed photo voltaic solar panels. After installing a heat…
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Making The Most From Your Solar Panel
To get the best value from your solar panels you need to maximise your use of power when the panels are generating, and avoid taking grid power during that time. This limits the kW you generate that are paid at…
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Coffee Makers
I see some display homes with expensive built in espresso machines costing thousands. I’m afraid I’m for the inexpensive, and easy life, so I am happy to use a Nespresso machine which cost me less than $200 (My milk frother…
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Rendered Foam Walls
This addendum was added to an original Post from 2014 as there has been a lot of publicity recently (late February 2019) about foam panels and certification has been removed from certain types of panels. A particular issue for apartment…
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Ancient Air Conditioning
I’ve just returned from the City of Yazd in Iran and as usual I have been looking at houses and buildings, I bet you thought air conditioning is a fairly recent invention but that is what these wind tower structures…
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Freezing A Solar Hot Water System
Before you look at buying a Solar Hot Water System think about the freezing risk. It might not be a concern in many areas but in Victoria, Tasmania and the colder parts of other states freezing conditions can damage cheaper…
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Lighting Levels
There are two elements when considering Lighting levels for your new house. Electrical Power (Watts) Amount of Light (Lumens) Watts In the old days with incandescent bulbs it used to be simple, bulbs came in 40, 60 and 100watts and…
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