When Should You Use The Dry Function Of Your Aircon

Time is a precious commodity that none of us seem to have enough of. We can't get more of it anywhere, and who wants to spend the time that they do have reading the manual to the aircon? Unfortunately, air conditioning can be a huge expense for many households, especially in Singapore's hot and humid months of April and May. Reading the manual can provide insight on how to slash the electricity bill, but will also take time. Keep reading this article to find the easiest ways to save power (and money!) on your aircon, while keeping a comfortable home environment.

Aircon

Like all electronics these days, air conditioners come with multiple options. There are cool, dry, and fan options. Then there are economic cool, and powerful cool. There are modes and times and settings. All of it can seem overwhelming. Singapore has a hot and humid tropical climate that requires constant circulation of air to maintain at least some level of comfort, which can be incredibly costly. However, depending on the time of year, the temperature and humidity levels may allow you to save energy by switching the mode that your air conditioner is running on. The good news is that with a simple understanding of each setting, you will be able to make the most of your aircon while keeping the cost at the bare minimum, rather than just cranking up the air conditioning to full blast every time you get uncomfortable.

Cool Mode

Cool mode is exactly what it sounds like, with the unit taking in hot air and running it through the compressor to cool the air before blowing it back out into the room. The energy expenditure of cool mode is highly dependent upon the temperature setting of the unit as well as the starting temperature of the room. For example, changing a room from 35 degrees to 25 degrees will take more energy than changing a room from 30 degrees to 25 degrees. Cool mode uses both the fan and the compressor portions of the unit. This mode is most common during April and May in Singapore, when the weather is at its hottest.

Use Cool Mode When:

- Both the temperature and the humidity levels are high
- You want the temperature to stay at a constant, cool level

Airconditioner

Dry Mode

Dry mode consumes far less energy than cool mode, as the main purpose is to reduce the level of moisture in the air. Humidity, or the amount of moisture in the air, feels to the skin like an increase in temperature. When both high temperatures and humidity are present, the interior of a room often feels unbearable. Dry mode is a valuable tool for when the weather is humid, but not necessarily too hot. Dry mode works by sucking moisture out of the air so that the air becomes comfortable. Humid air is taken into the unit and dried on the evaporator. It is then released back into the room as dry air. Dry mode can save significant amounts of money and energy when used correctly. It cannot replace a dehumidifier, as it does not eliminate all moisture from the room, instead it keeps it at a relatively comfortable 60% humidity. Dry mode does not blow out cold air, such as in cool mode, but by releasing dry air, the feeling is that of a cooler room. As Singapore is humid all year round, dry mode can be extremely beneficial for many families. Try using dry mode during the muggiest hours of the day, such as early morning, when humidity levels are between 70 and 90%.

Use Dry Mode When:

- The temperature is acceptable, but the humidity is too high
- You want to save electricity
- You do not need to cool the air
- Cooler months such as December and January

Fan Mode

When only fan mode is used, the compressor is turned off, and the interior fan circulates the existing air within the room. No adjustments are made to either the temperature or the humidity levels. If your room is extremely humid or too hot, fan mode will not be particularly effective in increasing comfort level. Fan mode is beneficial for comfortable weather, where simple circulation is needed.

Use Fan Mode When:

- Both temperature and humidity are acceptable, you just need simple movement of the air

Dry Function Of Your Aircon

Energy Saver Mode

Energy saver mode utilizes both the fan and the compressor, however it works via sensors and timers. The fan runs continuously while the compressor only runs until a specified target temperature is reached. When the desired room temperature has been achieved (say, 25 degrees) the compressor shuts off. The fan remains on to circulate the air in the room, but the compressor will not begin working again until the temperature has increased. Then the compressor will resume functioning to cool the air until the internal room temperature has again reached the target temperature.

Use Energy Saver Mode When:

- You want to cool the air but do not mind slight fluctuations of temperature. This could be a very good option during night time when occupants are asleep.

Choosing which mode will work best for your situation will depend on several factors. Are you staying in the room for a long period of time? Do you have other devices, such as fans, circulating air? What are the actual temperature and humidity levels? Is it December or January when the external temperature is lower, or is it April or May when the external temperature is quite high? What is the external humidity level? Has there been significant rainfall? Would the room be comfortable if only some moisture was absorbed?

Rather than just turning on your air conditioning unit to Cool Mode every time you get uncomfortable, think about the weather conditions to see if you can use Dry Mode, Fan Mode, or Energy Saving mode instead. By switching the mode on your air conditioner you could increase the comfort level of your home and save money on energy costs!
 
 
 
 

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