There are various methods to cool a room in your home, enhancing comfort for your guests.
When the conditions are optimal, evaporative air cooling becomes one of the most cost-effective and efficient cooling systems available.
Despite their practical cooling solutions for challenging environments, many people remain unaware of how evaporative air coolers operate and the various benefits they offer.
Below, we explore the specifics of these devices, including their functionality and the factors to consider if you’re thinking about purchasing one.
The The Basics of Evaporative Air Coolers
Evaporative Air Coolers can effectively cool areas ranging from 120 square feet to 2,000 square feet, depending on their size.
Evaporative air coolers, commonly referred to as ventless coolers, don’t need a vent like conventional air conditioners and HVAC systems.
Evaporative air coolers, commonly referred to as ventless coolers, are distinct from traditional air conditioners and HVAC systems because they do not require venting.
Here is a complete guide on how to buy the best ventless air conditioner for your home.
Evaporative air coolers deliver cooled air rather than the refrigerant air provided by traditional air conditioning systems.
How does this happen?
Keep reading.
The Science Behind How Ventless Air Cooling Units Properly Work
When you’re on a hot beach, what is the best and perfect way of cooling down?
Going into the water, of course!
Evaporative air cooling units operate on a simple principle: they cool air through the process of evaporation. Understanding this concept can help clarify how these units function effectively, even in hot and dry climates.
You see, the water in the ocean will not only cover your body but also help cool your core temperature while saturating your skin.
Ever notice that when you walk out of the ocean (or pool, bath, etc.), it feels cooler?
Even gentle breezes during a flight can become quite noticeable.
The reason for this is entirely related to evaporation.
Evaporation is the process where water transforms from a liquid to a gas. This change of state requires significant energy, which leads to a decrease in immediate temperature. When moisture on your skin evaporates, it creates a cooling effect as energy is drawn from the air.
This principle of physics is the fundamental reason ventless air cooling units operate so effectively.
Another way to understand the process is by considering the air like a sponge, as it operates in a similar manner.
When air comes into contact with water, it absorbs moisture, resulting in the creation of humid air.
In dry conditions with low humidity, the air can absorb more moisture.
In wet conditions, the air is already saturated with moisture and has a limited capacity to absorb additional humidity.
When humidity approaches 100%, it becomes saturated and can’t hold any more moisture, leading to a high likelihood of rain.
Amazingly, the temperature of the water does not affect the effectiveness of evaporative cooling.
A temperature difference exceeding 50 degrees will cause only a 2 to 3% change in total.
A ventless portable air conditioner works by increasing the humidity in the air, which helps to significantly reduce the temperature.
This method is straightforward and cost-effective in comparison to other options.
The effectiveness of the system increases with the dryness of the climate.
Units are capable of cooling spaces ranging from small closets to large apartment complexes.
How Evaporative Air Coolers Are Designed
Evaporative coolers work by drawing in air through wet filter pads situated on either side of the unit.
Fed by a water source, the pads introduce moisture to the warm air flowing through them, effectively cooling the surrounding air temperature.
Typically, a larger surface area allows for increased airflow through the filters, resulting in more cool air production.
Why Choose Ventless Air Coolers Over Other Types?
Ventless air coolers work best in dry climates, where they can be quite effective.
Evaporative air coolers are environmentally friendly as they require only a small amount of electricity and water.
Finally, their low price and simple design mean the less money you have to spend to make a space the ideal temperature.
If you’re seeking budget-friendly choices, we have a guide on portable air conditioners available for under $200.
What Kind of Condition Is Best and Batter For An Air Cooler?
The initial requirements are access to water and an electrical outlet.
The next important requirement is a climate that is generally dry.
It’s important to have proper ventilation in place to ensure the movement of moisture and air throughout the space.
Now that you understand how air coolers operate, you can decide if they meet your needs.
Now that you have practical knowledge of how air coolers work, you can determine whether or not air coolers are what you are looking for.
The Takeaway
- Only install evaporative coolers in areas with effective mechanical or natural ventilation.
- The water temperature entering the ventless cooler does not significantly impact its performance.
- The performance of an evaporative cooler improves with drier climates and lower humidity levels. If a space has a high relative humidity, the cooler may not work as effectively.
