How does Aircon Work?

Get the answer to “how does aircon work?”. Learn how aircon works to cool, heat, dehumidify, filter and ventilate your air to provide complete climate control.

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How Does AC Work?

Air conditioning (also called aircon or AC) is made to cool, heat and filter air.  To do this, it extracts air using fans into the indoor “evaporator” unit. Then it passes through the filter of the unit, such as a Titanium Apatite Deodorising Air Purification filter. These filters are approved by the National Asthma Council. These filters trap most airborne particulates and decompose odours while absorbing and deactivating bacteria. This also makes them perfect for turning stale air into fresh air.

After the air has been filtered, it circulates around coil structures that are heated or refrigerated. This depends on the temperature in the room compared to your desired warmth. This works because the coils pump mixtures of special gasses that will form into liquid. The liquid then transfers heat from the indoor unit to the outdoor unit. It is a misconception that air conditioning takes air from an outdoor unit and exchanges it through the indoor units. Actually, it is a far more complex process whereby the indoor unit acts as the mouth and lungs of the room. This means that the outdoor unit acts as a brain, ensuring each connected indoor unit is at proper temperature.

All of this is controlled simply through a wall-mounted thermostat or the Daikin app. The Daikin app allows remote control from your phone, tablet, car & more.

Confused? Our experts can guide you through the process and help you choose the right system for your home or business

The Condenser Unit

The outdoor counterpart to your stylish interior device works with your evaporators to keep each room at the ideal temperature. The large fans in these machines quietly ventilate excess heat and cold from the intricate system of liquid and gass filled coils within, maximising efficiency. The power capability, features and more need to be matched with your interior units, so most customers leave selecting the condenser up to our qualified engineers. 

Our experts select the condenser unit that suits your kitchen air conditioning needs, so you get to pick how many units you want and where plus the style. You can find out more about different condenser units by using the button below or contact us today and our experts will do the hard work for you.

WHAT DO AIR CONDITIONERS DO?

Air conditioners are many things, and can be found in many different places, be it homes, shops or cars. The basic function of air conditioners is to cycle and cool the air around a given room. They can also perform many different tasks, such as heating and filtering the air around your home or business. Read on to find out all about the different systems and parts air conditioning uses to stand out above all other heating and cooling systems.

HOW DO AIR CONDITIONERS COOL?

Often referred to as “central air”, A typical air conditioning system includes a combination of the following:
 
  • an outdoor unit that houses a compressor, condenser coil and a fan
  • an indoor unit, which is a fan and evaporator coil unit that blows cooled air into the room
  • cooler coil tubing, which allows coolant liquid to flow between the indoor and outdoor units
  • expansion valve which regulates the amount of coolant liquid flowing into the evaporator coil
  • duct-work which blows and circulates air around from the indoor unit, out into the room, and back into the indoor unit
  • a thermostat that controls the temperature and system operation
All these components might sound complicated, however, the operation of the air conditioning is quite simple. Starting out with the coolant liquid, the cooling coil removes heat from the air and raises cold air to a blower fan. This circulates the air. Next, the condenser sucks up all the heat and pumps it outside. After this, the compressor will remove the heat from the inside, which is blown outside by the indoor fan. Lastly, there is a filter inside the unit, which removes the particulates from the re-circulated air. All of this is controlled by the thermostat, which can control the temperature.
 
At its most basic, you might be fooled to think that air conditioners can only cool air. However, the greatest thing about central air conditioning is that it can also reverse this process, heating the air inside your home or business. Because of this, ac units only cost a fraction of the price of regular central heating and fossil fuels. So whatever the weather, central air conditioning can provide the perfect clean and fresh heating and cooling.

Air Con Heating and Cooling

 

AIRCON FILTERS PROVIDE CLEAN AIR

On top of exceptional performance and energy efficiency, air conditioning also provides the benefit of air cleaning and filtering through air conditioning filters.

Many different aircon filter brands exist, and whilst they all perform the same task of removing dust, allergens and pollutants. The efficiency, performance, and even cleaning frequency can vary from filter to filter. Take the Daikin Perfera air conditioning unit for example. This air conditioning unit comes with a Daikin filter, which purifies the air and provides exceptional air quality round the clock. Using electrons to charge and trigger reactions with airborne particles such as dust, microbes, or allergens, the streamer filter breaks them all down to provide purified, clean air, removing foul odours from the air, such as bathroom moisture or pet smells as an added benefit.

DIFFERENT TYPES OF FILTER

Air filters that are used in air conditioning systems are integral pieces of equipment and are responsible for all the air purification and filtration air conditioners perform. It is important to choose the right air filter for your home or business, and there are a few different types present in the units we provide. Often, a combination of the filters is used to provide optimum air filtration.

PLASTIC MESH FILTER

Plastic mesh filters are very commonly installed on most room or window air conditioning units, close to the return air output. These filters are responsible for trapping bigger, thicker pollutants such as dust particles, and keeping them out of the recirculating air. These filters require frequent cleaning, as dust accumulates and clogs up the filter. These are easy to access and maintain, keeping your air conditioning unit operating at peak efficiency.

ELECTROSTATIC AIR FILTER

Electrostatic air filters are more advanced filters that can be installed in electrical air conditioner units. This filter is exceptional at removing most impurities and pollutants from the recirculated air, and whilst harder to clean and maintain, it doesn’t need cleaning as often as the plastic mesh filter.

CARBON AND ADHESIVE FILTER

Less common, however still practical filters for air conditioning units, are the Carbon and adhesive filters. The adhesive type is a simple cotton and fibreglass filter, which is covered in adhesive material and can be disposed of after use.  The carbon type uses activated carbon that is very effective at removing bacteria and foul-smelling odours from the air.

FILTER RATINGS

Most filters are rated on the MERV scale, which stands for Minimum Efficiency Reporting Value. This is the universal standard for identifying the performance of a filter.

The MERV rating values range from 1 to 20, with 20 being the most thorough at filtering particulates, up to 0.3 microns. Typical home air-cons use anything from 1 to 12 MERV, with 12 MERV being able to filter out anything above 1 micron, whilst anything higher than 16 MERV is typically used in hospitals and clean rooms.

AIR CON FILTER CLEANING

(Cleaning and switching filters can sometimes be a complicated job, and that’s why it’s best to call our experts for hassle-free maintenance)

DEHUMIDIFYING

In cooling mode, an air conditioning unit dehumidifies the air, creating a lighter atmosphere. This feature is particularly important to people who suffer from chest infections or pneumonia because this means that there is a greatly reduced level of water vapour in the air. Furthermore, a correct level of humidity limits the growth of parasites like dust mites, and moulds, which gin has a positive effect on people with allergies. Around 40% to 60% humidity is ideal, because it is said to be a comfortable level in which to live. An added benefit to having a reasonable level of humidity, is also that it increases the lifespan of your household appliances.

Air Con Dehumidifier

VENTILATION

Ventilation is important in summer to keep your house from getting stuffy, by cleaning air and also creating a breeze throughout rooms or entire buildings. In the mid-seasons when the air cooling or heating is not needed so much, the air conditioning ventilation system can work independently to ensure you get fresh air even if you are happy with the temperature.

Because of the many benefits of air conditioning for homes and businesses, it is becoming as popular in the United Kingdom as it is in the United States, where 84% of homes have some kind of air-con system. The myth that air-con only cools rooms is a thing of the past, so many buildings now use air conditioning for cooling, heating, filtering, dehumidifying, and ventilating the air that we breathe.

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