Are you cooling one (maybe two) rooms or do we want the
whole house cooled?
Below is a very brief outline of different systems on the market today.
Split System Airconditioning:
Is a central air conditioner consists of two or more major components. The system usually consists of a compressor-containing unit and condenser, installed outside the building and a non-compressor - a "Head" (coil) unit- containing air handling unit installed within the building hence the term Split System. This is the most common type of system installed in a home. This system is attached to a wall and commonly used to cool one area of your home. You can also have a split system which contains a heating element for dual heating and cooling purposes.
Refrigerative Airconditioning:
This works by recycling the air and extracting the moisture. With this system you must keep doors and windows closed to maintain a cooler temperature. This can be either a single room system or a whole house ducted system.
Evaporative Air Conditioning:
Evaporative cooling, is based on a natural process of air cooled by water. This means it won't dry out the air, irritate your skin, throat or eyes, or affect the environment. Evaporative cooling is cheaper to run than most other cooling systems. Evaporative cooling is the healthiest way to cool your home because it replaces stale old air with clean fresh air many times an hour - remember, you keep your doors and windows open. The air inside your home is never re-circulated which means smells and airborne germs are expelled.
You can benefit from evaporative cooling all year round by simply turning on your fan so you can remove all stale air from your home. This system is only available as a whole house ducted system through your ceiling.
Factors to consider in choosing the right system for you
The size (load) of the Condensor (outside unit) is determined by the volume of air which needs to be cooled. But thats not all. other factors such as;
- Types of Floor Coverings
- Ceiling Heights
- Number and/or sizes of windows
- Type of glazing used
- which way the room(s) face
- degree of wall, roof and floor insulation, if any
Armed with all that information your Airconditioning professional will be able to size up a system for you. If you are unsure .. get a professional to visit or show him building plans.
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