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Air Conditioning

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Air Conditioner Types

There are many types of air conditioner units on the market today. They all serve the same basic purpose of cooling your home, but some units are better than others for certain rooms and situations. The most common and affordable air conditioner is the window air conditioner unit. These small units are used to cool individual rooms. Split air conditioners have an indoor cooling unit which is connected to an outdoor compressor. Split air conditioners are easy to install, as they do not need extensive ductwork. They work best to cool one or two rooms. Central air conditioning cools your home in its entirety. This type of air conditioner features an outdoor compressor and cool air is blown through the ductwork within your home.

  1. Central Air Conditioning
  2. Ductless, Mini-Split Air Conditioning
  3. Window Air Conditioner
  4. Portable Air Conditioner 
  5. Hybrid Air Conditioners
  6. Geothermal Heating & Cooling 

Common Air Conditioning Extras

  • Remote control - control the temperature from a distance
  • Timer - save energy by putting your airconditioner on a timer
  • Dehumidifier - lower the level of humidity in the air for more comfortable living
  • Reverse cycle -  heat and cool your home all year round 
  • Slide-out chasis - allows for easier installation, repairs and maintenance
  • Mosquito traps - protect you from mosquito bites
  • Air filter - removes odours, smoke and germs

What size Air Conditioner do I need?

Room Size to Air Conditioning Capacity

  • Up to 20 sqm: 2 - 2.5kW
  • 20 - 40 sqm: 2.5 - 5kW
  • 40 - 60 sqm: 4 - 6 kW
  • 60 - 80 sqm: 5 - 7kW
  • 80+ sqm: 6 - 9kW

How to Calulate which Air Conditioner to purchase

  • The size of the room: length, width and height.
  • The type of room: living room, open-plan living room and kitchen, bedroom, etc.
  • The size and orientation of the windows and glass doors. A large north- or west-facing window can let in a lot of heat in summer.
  • Shading and curtains on the windows.
  • Insulation of the floor, ceiling, and walls.
  • The local climate.

Average Running Cost of Air Conditioners

Size and Yearly Cost to Run

  • Small (up to 4kW): $242 - $492
  • Medium (4-6kW): $402 - $552
  • Large (over 6kW): $442 - $586

Please note* Costs are based on 30c per kWh. Only an estimate and running costs may vary depending on area, electricity costs, size and usage.

Choosing the Right Air Conditioner

Choosing the right air conditioner depends on your individual situation, cooling needs and budget. Window air conditioners are the most affordable option available. They can be installed quickly and easily by a professional and offer instant cooling. Both split units and central air conditioning also require professional installation. Installing a central air conditioning unit often requires the installation of ductwork throughout the home, which can be costly and time consuming.

What is the best Air Conditioner temperature to save on electricity costs?

There is a rule of thumb don't on a cold day don't set the temperature to less than 8 degrees celcious cooler than the outside temperature, however on average a temperature of 25 degrees celcious will reduce your yearly Air Conditioning running costs. Keeping the temperature within this range will save with strain on the motor and save on your power bill.

Air Conditioning Operating Modes

  • Auto: Automatically chooses the mode required to keep the room at the chosen temperature.
  • Cool: Pumps heat from the inside to the outside.
  • Heat: Pumps heat from the outside to the inside.
  • Dry: Dehumidifies the air. Provides some cooling, but not as much as cooling mode.
  • Fan only: Blows air without heating, cooling or drying, which is useful when all you want is a cooling breeze.
  • Economy: Also called Eco mode, this reduces power consumption. Different brands implement this in different ways. It may simply reduce the cooling or heating output by adjusting the thermostat a degree or two, or it may use sensors to detect if no one is in the room and then reduce the cooling/heating.

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