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Maintenance of RV Air Ducted Air Conditioning

What is a ducted air conditioning installation? A ducted air conditioning system basically means your air conditioner
or heat pump is hidden away in your roof space, or under your floor. Ducting carries air from your home to the air conditioner and is then heated or cooled to keep your indoor air temperature constant. One central unit can serve most houses. Air vents are cut into your ceiling or floor, which are then connected to the air conditioner via the ducting. This enables one air conditioner to serve your whole home.

Air conditioning for multi-storey homes

If your home is on two or more levels, it is still possible to have ducted air conditioning installed. You have the option of going for two or more smaller units, or having duct risers installed.

A duct riser is a vertical duct that connects two levels. This allows you to then transfer air from the air conditioner in the roof space to a downstairs level through a duct hidden away in a cupboard or boarded in with a false wall.

How air conditioning works

At the heart of most air conditioning installations is a heat pump. A heat pump, according to the dictionary, is a mechanical device for moving heat energy. What this means is that instead of converting electricity into heat energy directly (like an electric bar heater for example), the electricity is used to move heat energy. Heat energy is transferred to or from the air in your room by use of refrigerants inside the heat pump.

In summer, excess heat energy is transferred from the air indoors to the air outdoors. This has the effect of cooling your room down. As the air is chilled below dew point, excess moisture is removed from the air as well (de humidification).

In winter, heat energy is transferred from the outside air to the indoor air (the complete opposite of the summer example). By simply transfering or moving heat energy into your room by this method, you can gain up to 4kW of heat energy from each 1kW of electricity that is consumed. Compared to other forms of heating, a heat pump is the most energy efficient way of heating your home.

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