Heating – Which Is Cheapest?

Thinking about how you are going to heat your new Home and get Hot Water?

Heating costs do vary depending on state and depending on whether you live in the bush or city.

Historically the cost of heating a home has been, from cheapest to most expensive:

Solar. (check out Passive Solar) Wood , Collected. [read more...]

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Safety Switches & Circuit Breakers

Safety switch

Did you know there are two safety devices in your electricity cabinet to keep you safe?

Safety Switches

Safety switches were originally known as Earth Leakage Circuit Breakers (ELCB) but are now more commonly Residual Current Devices (RCD)

These super fast switches (less than 1/20th of a second) cuts the power off the instant a [read more...]

Light Bulb Comparison

incandescent bulb

In a previous post on Lighting Levels I talked about using lumens to plan lighting. . . . . but which type of bulb should you use?

There are now 3 types of bulbs in common use

Halogen (A more efficient version of the old incandescent light bulbs) Compact Fluorescent Lamp (CFL) Light Emitting Diode [read more...]

Lighting Levels

incandescent bulb

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 you were allowed up to 25 watts/square metre of floor space.

Now for your new [read more...]

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Instantaneous Electric Water Heater

Instantaneous Water Heater

No Gas Supply? . . . . .Well an Instantaneous Electric Water Heater may be an option.

This is our unit which is tucked away in a wardrobe.

The unit provides all our hot water for washing and showers, only heating the water when we need it, and never running out.

The unit is [read more...]

Polished Concrete

polished concrete

So you like the idea of Polished Concrete. . . . but with costs ranging from $55/m2 to $120/m2 there are quite a few things to think about.

Slab Design and Construction

Quality of finish starts with the design and specification of the slab. That includes:

Correct Reinforcement in the right place. Properly designed expansion [read more...]

Comparing Gas and Electricity

Traditionally gas has been cheaper than electricity but with the price of gas rising this could change.

Actually comparing value for money is quite complicated so I though I would explain how to do the various calculations.

Cubic Metres to Megajoules

Gas is measured at the meter in cubic metres but you pay by the [read more...]

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Solar is Winning

sun

Electricity demand has dropped so much that Australia currently has at least 3 major coal fired power stations more than it needs! (This year the surplus capacity at peak demand is estimated to be around 8,000 megawatts)

In early July this year there was actually zero demand for power station generation in Queensland, mainly [read more...]