Update:
Evaporative cooling is just that... using a liquid to cool a space by evaporating the liquid. You can effectively cool air down to the dew point temperature (100% saturated) for given initial conditions. These work best in dry climates. See a psychometric chart for more information. The liquid itself doesn't need to be at a lower temperature than the space you're cooling.
Evaporative cooling is when the cooler liquid that isleft behind and cools the surface it rests upon.
Evaporative Cooler is also known as a swamp cooler. It is a cooling machine which can be used in homes or offices for creating much more efficient surroundings.
An evaporative cooler is a cooler in which you only insert water into to keep cool and at a constant temperature. Unlike other coolers, ice is not needed.
On the roof, under the evaporative cooler.
To choose an evaporative cooler, determine the size of the cooler needed, the services of the evaporative cooler, and the correct type of cooler. Consider the accessories required and compare it with a traditional air conditioner.
Coleman does make a portable 12v evaporative air conditioner. They do not make a picnic cooler that does this however.
The evaporative air cooler is an alternative to conventional central air conditioning. An evaporative air cooling system is more economical to operate than a conventional central air conditioning unit.
The global portable evaporative cooler market size is expected to reach USD 4036.55 Million by 2028; registering at a CAGR of 8.5% from 2022
Where did you buy the cooler at? I'd ask them.
The more often an evaporative cooler runs, the more the cooler pads will have to be replaced. A good rule of thumb is to check the cooler for maintenance issues every month. In hot climates, they will need to be changed every month, and in cooler areas, the pad should be changed at least twice during the operational season.
The only HEPA air purifier that cools the air I could find is the Pure Air Today 3-in-1. It has an evaporative cooler.
why wouldn't it be?
There are several places you could find a cheap evaporative cooler. For starters, if you would like to buy in person, Walmart, Lowes, and Home Depot all have relatively cheap coolers. If you would like to buy online, there are cheap evaporative coolers on amazon.com, ebay.com, craigslist.com, and walmart.com.
Cheap evaporative coolers can go for as little as $100, but a good quality one would run around $500. If you contact the company of your choosing to purchase the evaporative cooler, I'm sure they could negotiate a business discount. This is not something that is for certain; some companies may only offer retail prices.
egg beater egg ring evaporative cooler