When it comes to air conditioners, bigger isn't always better. You need to find the size that is perfect for your needs. In this blog post, we will walk you through five simple steps to finding the capacity you need for your air conditioner. So whether you are replacing an old unit or buying one for the first time, follow these steps and you'll be sure to get the perfect aircon size!
The first step to figuring out what size aircon you need is to measure your home. Measure the ceiling height, length and width of each room in your house, then multiply them together. That will give you the square footage for that room.
If there are any parts of a room where an air conditioner would not be effective (such as a garage or pantry), subtract those from your total square footage number before adding up all other rooms in your home to get a final number for how large your house is overall.
If this sounds confusing just think back to when you were younger and played with different types of blocks. Remember how some blocks came in sets that had one type? These are called “single-room air conditioners.” If they have multiple types (such as two or three), those are known as “multi-room air conditioners.”
For example, a single-room aircon might be good for your bedroom because there is only one entrance into the room but it wouldn't work if you wanted to cool down an entire house full of rooms at once. A ducted air conditioner would work great if you need to cool your entire home or office. Instead of having multiple air-conditioning units for multiple rooms, a ducted aircon would work like a charm.
Air conditioning units come in different sizes, so this step will help determine which size aircon unit best fits your needs. The larger the air conditioning unit, generally speaking, the more powerful it is and thus faster at cooling down rooms than smaller ones would be. 
If you have a house that's over 2000 square feet in size then an AC unit with 2.5-5kW might work best for your needs--just make sure to measure everything out before making any decisions!
This step should come as no surprise after all these other steps. When buying an air conditioner, there are two things you want to look for when choosing your brand: reviews from experts (such as those provided by Consumer Reports) and feedback given by customers who have bought similar products before—these will help guide you towards making an informed decision about a particular model.
Look for licensed and trusted aircon installers in your area. A DIY installation might void your warranty and it is best to hire an experienced technician to safely install the unit.
The size of the aircon unit affects a plethora of factors - the cost of installation, repairs & maintenance; efficient cooling, and lastly operating costs.
Too big a unit will have to work harder to achieve the desired temperature. This will:
An undersized unit will have to work harder to achieve the desired temperature. It will keep on running without significantly cooling the space. This will:
Orientation - A room facing north or west will let more heat in and require more energy to cool down the room compared to a south-facing room. It won't get direct sunlight and require less energy to keep it cool.
Location - Cooler places like Hobart and Canberra will require a less powerful aircon than hot regions like Brisbane and Darwin.
Insulation - Insulating your home, i.e the roof and windows can prevent your home from getting too hot in summers and too cold in winters. Insulation slows down the rate of heat gain in summers and heat loss in winters. Plus, a well-insulated home prevents mould and mildew from damaging your home and your health! Without proper insulation, your home would require more energy to stay cool in summer. But it will also damage your aircon in more than one way. For example:
The team at All Purpose Air Conditioning is here to help. We will give you the expert advice you can count on!
We provide services in Brisbane, Gold Coast and surrounds. Chat with our team on 1300 405 295 or complete our online enquiry form.