3 TIPS ON HOW TO CHOOSE AN AIR CONDITIONER

Air cooler, or air conditioner?

Correct placement

Choosing the right performance

1. AIR COOLER OR AIR CONDITIONER?

Be careful, air coolers do not work on the same basis as conventional home air conditioners. They cool the hot air in the room but provide technically simpler and less efficient cooling than conventional air conditioners.

Air coolers are usually equipped with a tank for water or ice, which they can use to humidify the air. If you want to cool smaller rooms, you should invest in air coolers.

option1
Inverter Split Air Conditioners

    Advantages

  • Two-part operating principle = increased cooling capacity
  • Low noise level inside
  • Room temperature can be kept at a constant level
  • Mostly equipped with reverse function = can also be used as a heater

    Disadvantages:

  • Installation by a specialist company required
  • Price is more expensive than most mobile devices
  • High electricity costs when used as heating

    Advantages

  • Save Space
  • Easy installation on door or window
  • Cheaper than permanently installed devices
  • Effective room temperature reduction

    Disadvantages:

  • Installation on window or door required
  • Higher power consumption during continuous operation
  • Not suitable for regions with low humidity
option2
Mobile air conditioners
option3
Air Coolers

    Advantages

  • Saving space
  • Easy Installation
  • Mobile Friendly
  • Low noise level
  • Humidification of the room air

    Disadvantages:

  • No temperature reduction in the indoor air
  • Not recommended for regions with high humidity
  • Limited range

    Advantages

  • Saving space
  • Easy Installation
  • Cheaper than permanently installed devices
  • Mobile friendly

    Disadvantages

  • Limited range
  • No lowering of the indoor air temperature
option4
Fans
2. CORRECT PLACEMENT

We recommend to install mobile window air conditioners so that the air flowing from them does not blow directly on people in the room. For example, it is suitable to place them in the space under the ceiling or on the windowsill.

If you are interested in mobile air conditioners, do not forget the fact that a hose is needed to remove heat from the room. Placement near a window or door will therefore make it easier for you to dissipate heat without interfering with the construction of the premises. Unlike air conditioners, conventional air coolers do not dissipate active heat from the room, but only with the help of a fan and humidification make the temperature in the room more pleasant.

3. CHOOSING THE RIGHT PERFORMANCE

When choosing an air conditioner, its performance also plays an important role, the appropriate parameters of which depend on the volume of the room (multiply the height, width and length of the room in meters). For example, for a room with a volume of 50 m3, air conditioning with a cooling capacity of 2 kW will suffice. In the case of a large room with a volume of 300 m3, a power of at least 10 kW is already required.

Insufficient air conditioning capacity can significantly increase energy consumption, while the end result still does not reach the desired value. If, on the other hand, the power is too high, the air conditioning system will be switched on and off unnecessarily.

Area
of air conditioned space*
Volume
of air conditioned space
Required
air conditioner power output
0 - 20 m2 0 - 52 m3 2 kW
21 - 30 m2 53 - 80 m3 2,7 kW
31 - 40 m2 81 - 105 m3 3,5 kW
41 - 60 m2 106 - 156 m3 5 kW
61 - 85 m2 157 - 220 m3 7 kW
86 - 120 m2 221 - 311 m3 10 kW
121 - 140 m2 312 - 364 m3 12 kW
141 - 175 m2 365 - 455 m3 14 kW

* at a ceiling height of 2,6 m

The information in the table is for reference only

Air conditioning systems in comparison - find the right one for you

option4Fans option3Air Cooler option2Mobile Air Conditioning option1Split Air Conditioning
Cooling Type Thanks to its airflow, a fan offers a pleasant refreshment on hot summer days. It helps regulate the body temperature and gives us a cooling sensation, even if the room temperature itself is not reduced. The air cooler draws warm air in, evaporates water and cools the air flowing through it. This ensures that our body is pleasantly cooled, even if the room temperature itself is not significantly reduced. The mobile air conditioning system ensures a pleasant cooling of the room. The warm summer air is drawn in and cooled down by a compressor, like in a refrigerator. The resulting warm air is led outside through an exhaust hose. The split air conditioning system cools the room air using a cooling agent. The warm air that is absorbed by the indoor unit vaporises the agent and leads it to the outdoor unit. There, the heat is dissipated, the coolant liquefies again and is returned to the inside. This cycle is repeated until the desired room temperature is reached.
Weight The weight of fans (depending on the model) is usually between 1-8kg. The weight of air coolers is between 6-10kg. The weight of monoblock systems is between 10-30kg. The weight for the outdoor and indoor unit together is usually around 50kg. The indoor unit weighs approx. 10kg, the outdoor unit approx. 40kg.
Cooling Capacity No direct reduction in room temperature No direct reduction in room temperature The cooling capacity of mobile air conditioning systems is usually between 2-3kW. This allows the cooling of a room with a volume of 80-120m³. The mobile air conditioning system is therefore more suitable for small rooms and rather for sporadic use. The split air conditioning units usually have a higher cooling capacity than mobile air conditioning units or air coolers. Therefore, they are particularly suitable for larger rooms. The power range starts at 2.5kW and ranges to devices with 12kW.
Power consumption and energy efficiency Of all the devices listed here, fans usually have the lowest power consumption. Compared to monoblock and split air conditioning systems, an air cooler performs better in terms of electricity costs. The power consumption of these devices can even be higher than with a modern split air conditioning system. Therefore, monoblock devices are particularly well suited for sporadic use. IGood split air conditioners have a lower power consumption than mobile air conditioners. It also depends on the energy efficiency class. Classes A to A +++ are recommended here.
Sound Volume Level On average, fans are quieter than other air con units. Air coolers work without a compressor and therefore cool the room air much more quietly than the other air conditioning systems. The mobile devices reach a volume between 60-65dB and are therefore the loudest in comparison to other cooling devices. Split air conditioners are usually quieter than e.g. mobile air conditioners. The indoor unit reaches a sound pressure level of up to 50dB. The sound pressure level on the outdoor unit, however, can be up to 60dB.
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