QA

Question: What Is An Evaporative Cooler

What is the difference between an air conditioner and an evaporative cooler?

Traditional air conditioners take a lot of energy and power to run and typically have higher levels and rates of emission than evaporative coolers. The upside is the AC units are powerful enough to cool an entire house or a large indoor area. Evaporative coolers have much lower emissions than AC units.

How effective are evaporative coolers?

According to the US Department of Energy (DOE), an evaporative cooler can successfully reduce the ambient temperature by 5 to 15 degrees—but even the DOE is quick to clarify that this process works only in areas with low humidity.

Do evaporative coolers 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.

Is an evaporative cooler better than a fan?

Evaporative coolers, while not as popular as other sources of summer comfort, can be extremely beneficial when installed in the right environment. They provide more of a chill than fans and are more economical to run than air conditioners.

What are the drawbacks of evaporative cooling?

The Disadvantages of Evaporative Cooling Although an evaporative cooler requires minimal maintenance, there can be a buildup of salts and mineral deposits if your area has hard water. Moreover, maintenance can be a lot more inconvenient and possibly dangerous if the cooler is located on the roof.

What is the major advantage of an evaporative cooler?

Evaporative cooling advantages: Evaporative coolers are less expensive to install, estimated at about half the cost of refrigerated air conditioning. Operation costs are less, as well. Power consumption, limited only to the fan and water pump, is estimated at one-fourth that of air conditioning.

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. The best approach is to open the windows or outside doors that are the furthest away from the air conditioning vents or ducts.

Is air cooler worth buying?

Because of the way it operates, an air cooler offers better quality of air for your room. So much so, that the air circulated from an air cooler is preferable for people with asthma or dust allergy. When it comes to value for money, an air cooler definitely scores high over an AC.

Do evaporative coolers need a window?

To get the most of the evaporative cooling system, it is important to leave your windows partially open as it allows warm air to escape as it is being replaced by cooler air. As evaporative air conditioners use air from outside to recirculate into the house, your house is filled with fresher, cleaner air.

Can you use an evaporative cooler indoors?

While there are some environments conducive to evaporative cooling use in an enclosed building, the cooler is not going to operate at its highest efficiency. In some instances, running an evaporative cooler in a closed environment could make the room or building warmer by increasing the humidity level.

How much water does an evaporative cooler use per day?

Evaporative coolers use both electricity and water. How much water is used depends on the humidity of the day and the fan speed that the unit is set to operate on. A portable unit might use up to 4 litres per hour while a central system could use as much as 25 litres per hour.

Are evaporative coolers expensive to run?

Evaporative coolers are much less expensive to run than standard air conditioners. In a dry area, an evaporative cooler may be a perfect choice and a portable evaporative cooler only costs 4 cents an hour to run. A ducted evaporative cooler is more expensive at around 43 cents an hour.

How many windows do you need to open with evaporative cooling?

In any case you’ll need more than one window open. Normal rule of thumb is that for every ceiling outlet you need windows/doors left open to outside equivalent to twice the area of each vent.

Which brand of evaporative cooler is best?

1. Hessaire MC37M Portable Evaporative Cooler. If you need to reduce the temperature in a large area — think garage, master bedroom, or small patio — Hessaire’s evaporative cooler is the right choice.

How much power does an evaporative cooler use?

How much energy does an evaporative cooler use? Power use is generally low (200 to 400 watts) because only the fan and water pump use energy. But this can vary widely depending on features and capacity, and there are domestic units that draw up to 2kW or more.

Is evaporative cooler safe?

Specifically, evaporative coolers operate at a level that is too cold for Legionella to exist. Additionally, evaporative coolers also do not transmit the disease because they also do not produce any such aerosols that are required for the bacteria to be spread.

Does evaporative cooling cause mold?

Homeowners are often concerned that their evaporative coolers may cause problems with mold or mildew. Fortunately, there are many steps that you can take to ensure that this does not occur. Evaporative coolers do not cause mold or mildew to grow when they are used correctly.

Can evaporative cooling make you sick?

A well-maintained unit won’t make you sick. The key is maintenance. Your cooler should get fresh water every three to four weeks to prevent stagnation and bad odors.

Can you leave evaporative cooling on overnight?

Yes, it is possible to leave an evaporative cooler on overnight. It is common for some people to leave the cooler on continuously for a 24-hour period. There is no issue with the system running continuously, but you may wish to consider leaving it on overnight if you live in a humid climate.

Can evaporative cooling be left on all night?

Using Evaporative Air Conditioning in a Heatwave You can keep it running 24/7 until the hot spell ends. If it is not practical for you to keep doors and windows open all day or over night look at installing a security relief vent so you can use your aircon on low with doors and windows closed.

How often should evaporative cooler dump water?

If your evaporative cooler has a dump style drain valve, the water will be dumped every 6-12 hours (depending on what your coolers setting is) and then again after it has been turned off. This controls the quality of the water that is being used. Your evaporative cooler may have a leak.