The name says it all evaporative coolers cool the air. However, this machine is not just another cooling system. It has different roles to perform beyond cooling the air. If you are planning to buy an evaporative air cooler, it is best to know its specific functions so that you can decide if it suits your needs well.
Functions of Evaporative Coolers
1. Decreasing actual temperature
Evaporative coolers work by drawing in outside air through moist filter pads. The air temperature drops as the water in the pads evaporates. The cooler air is then released from the air vents of the evaporative air cooler.
2. Decreasing effective temperature
Effective temperature is what people feel due to the movement of air over the body. It is different from the actual temperature that can be measured using a thermometer. An evaporative cooler lowers effective temperature by 2 to 4 degrees below the temperature of still air.
3. Reducing radiated heat
In a room, heat is radiated from the human body to the ceilings and walls. As the temperature rises in the room, the heat is radiated back to the body. Evaporative coolers prevent heat from being radiated to the human body through absorption of heat from the ceilings and walls together with continuous flow of cool, fresh air.
4. Eliminating air impurities
Evaporative coolers have an added value besides cooling the air: they filter out elements such as dust and pollen from the air drawn into the fan. This is the job of the moist pads in the cooler, as they trap the impurities while air passes through them. Thus, an evaporative cooler is ideal for households with people suffering from allergy.
5. Freshening air
Evaporative coolers promote constant air circulation into your room, so you can enjoy 100% fresh air all the time. In contrast, air conditioners re-circulate stale air in a closed room.
To find out how Evaporative Coolers Work, click here.
