Insider Secrets Magazine by ecoMaster

TIP #05
TIP #06
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ENERGY USE
WHAT’S YOUR
PEAK ENERGY
EXPENDITURE
HOUR IN
YOUR HOME?
Deciding when to use appliances can be a
good way of saving money on your energy bills.
This mostly relates to appliances such as the
dishwasher, washing machine, and if you have
a pool, then a pool pump. If you have solar
panels, and you are on the old tariff of 60 cents
youtube.com/watch?v=3XUZIMpaIYs
a kilowatt, it is more advantageous for you to feed
that energy into the grid rather then using it, as your
energy retailer will pay you for that power.
However, if you are on a modest tariff, then it’s best
for you to use your appliances with the energy coming
from those solar panels.
How can we do that? Some modern appliances have
delay start settings so that you can program when
these appliances come on. If not then another way of
doing this is by using a smart plug. This allows you to
program the appliance to come on at various times
during the day when the sun will be on the panels.
You can do this from your phone or smart device and
you can also see how much power you are using.
Alternatively, if you have a smart meter with a Time of
Use Tariff that changes according to the time of day,
you can decide to run appliances like dishwasher,
washing machine and pool pump at night. That will
use the off-peak tariff and will be cheaper to run.
ENERGY USE
GET OFF THE GAS...
AND HERE’S HOW
AND WHY
Whilst gas ducted systems are quite common systems for
heating the home, there are two good reasons for moving to an
all-electric home. The first reason is an environmental reason.
Gas is not a renewable energy source, and whilst it’s considered a
kind of “clean transition fuel”, the significant emission associated
with getting gas and the pipeline of gas are not. From this
perspective, it is worth considering switching to all-electric home
as that can be 100% renewable.
The second reason is purely from an economic standpoint. When
comparing ducted gas heating and split system heat in a table:
for 30 kilowatts outputs, you need 43 kilowatts of input. This
means that it is only 70% efficient, at
154 megajoules per hour, and at 2.7
cent per megajoules means a cost of
$4.17 an hour. Within this data, there
is a 20% loss of heat in the ducts.
Even new ducted heating systems
that are 95% efficient will cost $3.07
using the same arithmetic.
In comparison, a split system with
350% efficiency is considered
mediocre. A good split system
should be upwards of 500% efficient.
With this in mind, and with 350%
efficiency, to produce an output of
24 kilowatts, you would need 9.9
kilowatts of input. This means 25
megajoules per hour, at 30c per
kilowatt-hour is $2.06 an hour to
produce the same output.
So for the same output, the gas
would cost you $3.07 to $4.17 per
hour versus electric which would
cost $2.06 per hour. Every hour.
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