Warming up and cooling down:

There are many types of heating and cooling systems available for homes. One of the most efficient systems is a reverse cycle air-conditioner. The main advantage of the reverse cycle air-conditioner is that it provides the combined effects of a home air-conditioner and a heater.

The main types of air-conditioners are:

1. Evaporative (cooling);
2. Refrigerative (cooling and dehumidifying).

The main types of heaters are:

• Reverse-cycle refrigerative;
• Electric fan heaters;
  
• Electric bar radiators;
• Oil-filled column heaters;
• Flat panel or film electric radiant heaters;
• Electric floor heaters;
• Convection gas heaters;
• Radiant gas heaters;
• Combination convection/radiant gas heaters;
• Kerosene heaters.

When your family is ready to buy a new heating or cooling system, it is important to calculate the overall energy costs. The following factors are worth considering:

• The energy star rating (the more stars, the more energy efficient).
• The size of the area to be cooled.
• The direction that your room faces; whether the room is insulated; and the size of the windows in that room.
• The amount of time that you will use the appliance each day.
• The cost of the appliance.
• The installation costs.
• The running costs, usually expressed in terms of cents per energy unit used (kWh).
• How long you expect the appliance to last.

For more information about efficient heating and cooling systems, go to:
http://www.synergyenergy.com.au

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