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Servicing Melbourne's West

Split System Installation.

SOS Electrical provides general electrical services and installations throughout the western Melbourne suburbs

 We service the area’s Werribee, Hoppers Crossing, Seabrook, Altona, Point Cook.

Split Systems

We can install a wall mounted split system to meet your requirements.

Split systems air conditioners are called ‘split’ because they are divided into two main parts; An outside unit including the condenser and compressor which is mounted on an exterior wall of the building, and an inside unit including the evaporator is mounted on the interior wall, of the room to be cooled. Split systems work by transferring hot and cold air from one place to another. The outside unit (compressor) pressurizes refrigerant gas which acts like a sponge when super heated under pressure. It absorbs any hot air inside and transfers it outside whilst also absorbing cool air from outside and transferring it inside.


An Inverter Air Conditioning unit constantly adjusts compressor speed to provide optimum performance at all times. This extremely precise operation enables quick cooling while reducing power consumption compared to conventional non-inverter units.

Inverter Air Conditioning units are able to maintain a set temperature much more efficiently.

Inverter split system air Conditioners provide exceptional energy-saving performance. This dramatically cuts electricity consumption and CO2 emissions, allowing an environment-friendly operation.

Saving Energy

There are some simple things you can do to save energy when using an air conditioner:

  • Install the air conditioner (or outdoor unit of a split system) on the shady side of the building (or shade the air conditioner itself); make sure the air flow around it isn’t obstructed.
  • The temperature of a heated room in winter should be between 18-21°C while the temperature of a cooled room in summer should be about 23-26°C (remember the humidity indoors will be low, so it will feel cooler). The temperature should be checked after the air conditioner has been operating for 30 minutes.
  • When a hot day is expected, turn on the air conditioner early rather than wait till the building becomes hot (it operates more efficiently when the outside air temperature is cooler).
  • Keep windows and doors closed when using slit system type air conditioners (evaporative air conditioners require some air flow). Close curtains on hot summer and days and cold winter nights. Outdoor shading of windows in summer is most effective.
  • If the machine has adjustable louvers, adjust them towards the ceiling when cooling, and towards the floor when heating (as cool air falls, hot air rises).
  • Follow the manufacturer’s instructions for filter cleaning.

You will need to ensure the indoor unit will have a solid outdoors facing wall to be installed on. Given the indoor unit will be a fixed feature in your house or apartment, the aesthetic appearance is important. Choose your Air Conditioning unit wisely to ensure the design complements your home.

Make sure there is plenty of room around the outdoor unit so air can freely flow in and out of it. If you live in an apartment or in high density housing, ensure you have ample area for the outdoor unit to be installed.

There are various types of installs, a back to back install, is classed as a “standard install”

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