The Ultimate Guide to Choosing the Right Air Cooler

Air coolers are an energy-efficient, cost-effective alternative to air conditioners. But choosing the right one can be a bit confusing, especially with all the different options and additional features.

If you’re in the market for a new cooler, this buying guide will help you find the right model for your needs. It covers basic key features, like cooling capacity and energy efficiency, as well as more advanced features such as a remote control.

1. Cooling Capacity

Air coolers are rated by their cooling capacity, which indicates how much heat the unit can remove in a certain time under standard conditions. Using the appropriate cooling capacity for your room size and climate will help improve energy efficiency.

Cooling capacities are usually expressed in terms of BTUs or tons. A ton of cooling capacity is equivalent to 12,000 BTUs per hour.

Cooling capacities are typically printed on the stickers of newer air coolers or decoded within their serial numbers. Cooler manufacturers also provide their cooling capacities on their product data sheets. Air coolers that are cleaned regularly will perform more efficiently. Additionally, you can reduce your reliance on your air cooler during the day by opening windows and doors to allow natural ventilation and air circulation.

2. Energy Efficiency

Air coolers are more energy-efficient than air conditioners and can save you money on electricity bills. They also require less maintenance and are less costly to operate. Air coolers come with a variety of features, such as timer settings and adjustable fan speed. Some have built-in air filters to improve indoor air quality.

The water tank capacity of an air cooler is another factor to consider. It should be large enough to last for a long period of time before needing to be filled. It’s also important to choose an air cooler that has a water pump with a low power consumption rating.

To ensure maximum energy efficiency, keep the cooler at least 10 feet away from or 3 feet below any plumbing vents, combustion appliances, clothes dryer vents, or exhaust fans. Using curtains or blinds to block direct sunlight during the hottest parts of the day can also help.

3. Water Tank Capacity

Air coolers need a constant supply of water to function, so it is important that they have a large tank capacity or can be topped up quickly. Look for features like a water level indicator and a drain valve that makes it easy to empty the tank regularly to prevent mold and mildew growth.

You should also consider the size of your room when selecting an air cooler. A small cooler in a larger space won’t provide adequate cooling and can create excess humidity. It’s also a good idea to choose an air cooler with an auto-fill feature, which allows it to run all night without needing to be manually refilled. This can save you time and hassle, as well as money. Some air coolers also come with a water pump warranty, which provides peace of mind in case of any issues down the road.

4. Noise Level

The luftkühler verwendung a single fan to push hot air through the heatsink. That means that the fan must spin at high RPM to get the job done. This can make the cooler noisy unless it has sealed ball-bearings, or if you choose a quieter fan type.

The noise level of an air cooler is measured in decibels (dB) and can affect how comfortable you are using it. For daytime use, consider choosing a system with a sound level below 50 dB. For overnight use, try to keep it below 40 dB.

It’s also a good idea to look for an air cooler that features several fan speed modes, as well as an oscillating mode and breeze mode that simulates natural air flow. It might even have a night time mode for quieter operation while you sleep.

5. Pump Warranty

It’s important to know what’s covered by your warranty before you buy a product. Tiny mistakes can lead to voiding of the warranty, so it’s always wise to read through the fine print.

Homeowners often assume that their house warranty covers everything. However, that’s not always the case. Some services are excluded, and you may be on the hook for a co-pay or service call to properly maintain your equipment.


If you’re buying on a 3rd party marketplace, such as Amazon or Walmart, Engel Coolers only warranty products purchased directly through their Spreetail storefront. Please contact them for questions and warranty claims. All other products are warranted by the manufacturer. Warranty is voided for products subject to abuse, misuse, neglect, alteration or accident. Normal wear and tear is also not covered under the warranty.