Welcome to the Home Clearance guide to buying an air conditioner! Here are our tips for getting a system that best suits your needs.
Types of Air Conditioners
Window air conditioners are fairly easy to install – as they are designed to be placed in a window (without the need to cut a hole in the wall). They are good for cooling one room.
These units are fairly inexpensive and also cheap to install – making them a good choice for the budget conscious.
Inverter Split System
With inverter split system air conditioners, half of the unit is inside the home, and half outside the home (they need to be installed on an outside wall).
These systems are quite powerful, which means they’re good for cooling large rooms, or adjoining rooms.
Ducted air conditioning systems consist of a compressor (which is placed outside the house) and an inside unit (which is placed in the roof). Cool air is pumped into the house via ducts in the roof.
Although these systems can be expensive to install, they are perfect for cooling large houses with lots of rooms. A ducted air conditioning system could also increase the value of your home.
As the name suggests, portable air conditioners can be moved from room to room as required. They are small and lightweight, making them the perfect choice for anyone who rents their home.
The disadvantage with portable air conditioners is that they’re not as powerful as other options.
Some Technical Terms Explained
The word ‘inverter’ refers to an air conditioning unit that constantly alters the speed of the fan and the motor. This facilitates faster cooling speeds and better energy efficiency.
This means that the air conditioner can heat and cool. Perfect for climates which experience cold winters and hot summers.
Air Conditioner Size Guide
Okay, let’s get down to business. This chart will give you a rough idea of the size you need:
The size of the room will always be the main consideration. To calculate the sqm, simply multiply the length of the room (in metres) by its width.
Essentially, you’re looking at 1-1.5 kilowatts of cooling power for every 10 square metres of space.
- It’s best to install your air conditioner on the side of the house that gets the least sun.
- For optimum efficiency, mount the air conditioner high in the room.
- You will need a professional installer for a split or ducted system, otherwise you might void the warranty.
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