How does reverse cycle air conditioning work? Most electric heaters create heat directly, using elements which heat up when an electric current passes through them. These ‘direct element’ heaters include portable heaters, panel convectors and off-peak storage heaters. They have a maximum efficiency of 100%, when all the electricity is converted to heat and delivered to the room. Reverse cycle air conditioning extracts heat from the outside air, even on mid-winter nights, and transfers it inside. A refrigerant is passed through an external coil, absorbing heat from the outside air. This refrigerant is then pumped through a compressor into a fan coil unit (or ‘condenser’) inside the home, releasing its heat into the room. Up to three or more units of heat can be transferred for every unit of electricity used to run reverse cycle air conditioning. Therefore, running costs can be as low as one-third of those for direct element heaters. By reversing the flow of this refrigerant, reverse cycle air conditioners also provide efficient refrigerative cooling in summer. So sick of those stuffy warm nights or what about even freezing cold? Call ProRec Plumbing today and control your temperature at the touch of a button!

What is its advantage?

• One of the most economical forms of heating
• Able to provide both heating and cooling
• Remain cool to touch at all times
• Have no exposed elements or flames
• Lifetime of up to 20 years
• Filter and dehumidify air

Split systems are permanently-mounted systems with the compressor unit located externally and a separate condenser inside the home. These are joined together by piping, which carries the refrigerant. The remote location of the compressor makes these units significantly quieter than window/wall models. The internal unit of a split system is most commonly installed on a wall. However, units which can be located at floor level (which gives optimum heating performance), on the ceiling surface, or in the ceiling as a cassette are also available. Wall units must generally be installed on an external wall to provide adequate draining of condensate. Floor-mounted units have slightly decreased cooling effectiveness. This should not usually be a concern, as heating is generally

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