Usefull Tips Air Conditioners

Air Conditioning user tips

Where to locate your Air Conditioning unit

To ensure optimum performance, single package units or the outdoor section of split systems should have adequate ventilation and, if possible, be placed in a shady area.

Direct sunshine and restriction of air access will reduce the air conditioner's performance.

Adequate clearance from obstructions is essential to ensure that exhaust air is not re-circulated back through the outdoor coil.

Saving Energy

Generally the best temperature to set your air conditioning to is around 24 - 25°C in summer and 17 - 19°C in winter.

You can save considerably on the amount of energy consumed for each 1°C of cooling or heating that you do without. For example when it's 35° outside, setting your air conditioner to around 25, rather than say, 22, can save a significant amount of energy without your system running constantly. Balance between comfort and efficiency of the system.

Shade your windows in summer with curtains, awnings, or shutters to reduce heat absorption by up to 80%. Heavy linen curtains with pelmets will also help trap heat in winter. This all helps in reducing the overall running costs of your air conditioning.


For a precise assessment of the correct size of air conditioner required, a qualified air con installer will need to do an on-site check as there are a number of different factors to consider. The following information will however give you an approximate guide to the air con capacity required for a particular area.

First multiply the length of your room by the width, check the table below and click on the applicable size required.

For a room of approximately: Aircon Size Required:
15 to 18 m² : 9000 BTU
20 to 25 m² : 12 000 BTU
30 to 35 m² : 18 000 BTU
40 to 45 m² : 24 000 BTU
55 to 60 m² : 30 000 BTU
Larger areas :

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