| Ducted Solar Heating System |
Solectair is a
new way of transferring stored heat from
your roof space
into your home living areas.
Direct sunshine on your
roof's surface causes it to heat up.
This heat is transferred into
the roof space, creating a large readily available
heat source.
This warm air is then drawn
from the roof space and transferred
via ducting and ceiling vents
to each room in your home, thereby raising living
room temperatures at minimum cost.
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Free Heat from the Sun - save
Hundreds of dollars on Home Heating!
"The use of Solectair will almost totally alleviate the
need to use conventional heating
during Autumn and Spring,
with a reduced need for conventional heating during
Winter."
- Murdoch University, Western Australia
Extracts from Murdoch University Environmental
Technology Centre Report
Running Costs
Running costs of the Solectair system are
extremely low when compared to other forms of
heating, and for the test house with 7 outlets
please refer to the table below for a daily
comparison.
|
Date |
Energy
Collected kW |
Electric Bar Heater Cost |
Reverse Cycle Air conditioner on Heating Cost |
Gas
Heater
Cost
|
Solectair HTS Electricity Cost
|
|
24
Sep. 2002 |
26.2 |
$3.65 |
$1.46 |
$1.99 |
$0.39 |
House Suitability:
suitable
(please check with your dealer) however, for
good performance the preferred home
- Any
roof cladding other than white tiles. (darker
colours work better)
- A
large part of the roof exposed to the sun (minimal
shading – e.g. trees)
- Good
quality insulation on the ceiling and no
insulation/membrane directly under the roof
cladding.
- A
level ceiling with an unventilated ceiling void for
most of the home.
- Some
brick/masonry construction as this increases thermal
mass to store solar heat.
How
to Maximise Heating Performance:
-
Because Solectair utilises the available daytime
solar energy, it is preferable to transfer as much
of this free heat into the thermal mass of the house
as is comfortably possible.
This is achieved by setting the controller to its
maximum setting.
Due to the higher levels of solar heat often
available up to around the middle of autumn and
after mid spring, the maximum setting may need to be
reduced so as not to become too hot in the house, if
occupied during the day. Some daytime discomfort can
be offset by warmer night time temperatures.
- To
allow the warm air entering the house to be
increased further in temperature (by passing back
into the roof space via the ceiling return air vent
for reheating) and prevent entry of cooler outside
air, keep external doors and windows closed during
the day.
- To
warm rooms not fitted with outlet vents, e.g.
bathrooms & laundry, leave their internal doors open
during the day.
- To
prevent heat loss after sundown, close curtains &
blinds, also bathroom & laundry doors.
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