Evaporative Coolers For Sale In South Africa
What is Evaporative Coolers ?
An evaporative cooler is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression or absorption refrigeration cycles.
Evaporative Coolers For Sale In South Africa
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Frequently Asked Questions
Is it worth buying an evaporative cooler?
As for the outdoors, an evaporative cooler might offer some relief no matter where you use it, since the humidity it releases will quickly dissipate instead of being trapped in your home. Still, it won’t be much more effective than just a using a fan on muggy days if you live in a humid climate.
Do evaporative coolers actually cool a room?
These portable evaporative coolers work well in moderate climates, but may not be able to cool a room adequately in hot climates. Room evaporative coolers are becoming more popular in areas of the western United States with milder summer weather. They can reduce the temperature in a single room by 5° to 15°F.
Do evaporative coolers use a lot of electricity?
The study showed that the typical evaporative cooler consumed about 1500 kilowatt-hours of electricity per summer, costing about $150 at current rates. The cooler’s water consumption added an average of $54 to a municipal water bill over the course of the summer, for an electricity-and-water total of $204 per year.
What are the three types of evaporative coolers?
There are three types of evaporative air coolers: Direct evaporative air coolers. Indirect evaporative air coolers. Mounted “draft” air coolers.
What are the drawbacks of evaporative cooling?
- does not perform well in humid climates or during rainy periods.
- temperature control is limited.
- basic air filter system only, many airborne irritants or odours missed.
- not ideal for those with asthma or respiratory issues.
- can use up to 25 litres of water* an hour depending on the fan speed and humidity.
Does evaporative cooling work on hot days?
Evaporative coolers can be very effective on hot days, just as long as they are dry hot days. On those sweltering hot humid days, it’s best just to run the fan only inside or you’ll have a steam room inside – the air conditioning industry doesn’t call evaporative coolers ‘swampies’ for no reason.
Do you need to open windows for evaporative cooling?
For an evaporative air conditioner to work effectively, some windows or outside doors must be open, or some other form of ventilation provided. This is to allow the hot air to escape outside of the building.
What size evaporative cooler do I need?
Sizing an Evaporative Cooler
Here are two rules of thumb that can help you size an evaporative cooler: If you multiply the square footage of a space by the ceiling height and then divide by two, that will give you the cfm rating necessary for 30 air changes per hour.
How long do evaporative coolers last?
But, while swamp coolers don’t cost much to buy, they are a lot of work and money to maintain. Not only that, they are only warrantied to work for 5 years. Refrigerated air systems can last up to 20 years if properly maintained.
Where should I put an evaporative cooler?
If you find your portable evaporative cooler isn’t cooling things down, make sure the cooler is positioned near an open door or window. If it already is, open window on the opposite side of the room to create a cross breeze to draw the hot air out.