Air coolers or as it called an evaporative cooler is an important cooling appliance for many people, particularly those who live in hot and dry climates. They are designed to cool the air by using evaporative cooling, which means that they work by pulling in hot, dry air and passing it through a wet filter. As the air passes through the cooling pads, the water in the cooling pads evaporates and is present in the atmosphere in the form of humidity which causes the air to cool down.
Here are some things you must consider when buying an air cooler
Air Flow rate: The airflow of an air cooler is an important factor to consider when choosing an air cooler. It is determined by two factors: the airflow rate and the cooling area. It is the volume of air that the cooler can circulate in a specific amount of time, usually measured in cubic feet per minute (CFM) or cubic meters per hour (CMH). Cooling area is the area in square feet that the device can effectively cool. You should choose an air cooler with a suitable cooling capacity based on the size of the room where you will be using it. The higher the CFM and the cooling area, the more effective the air cooler will be at cooling the room.
Tank Capacity & Type of Air Cooler: When buying an air cooler, it is important to understand what purpose you are buying it for. In different parts of the Middle East and Africa, the usage differs variedly. There are types of coolers as per the sizes and fan type: 1. Personal Cooler – ranges from 3L to 35L with a small fan, 2. Tower Cooler – Ranges from 10L to 100L with tall height, blower for air throw, 3. Desert Cooler – Ranges from 50L to 200L with Metal or plastic blade and powerful motor for strong air throw. Generally, for restaurants, cafeterias, patios, resorts, bars, workshops, etc. desert coolers are more prominent because of their sizes and air throw. Tower Cooler is specially used for indoor purposes like mosques, halls, warehouses, etc. for getting higher and focused air throw in the region. Personal cooler as the name suggests is for personal use only. It can cover a bedroom, office, shops, etc. Each type has its own advantages and disadvantages, so consider your needs and requirements before choosing the type of air cooler that suits you.
Energy Efficiency: Energy efficiency is an important consideration when purchasing an air cooler. Look for air coolers with high energy efficiency ratings or features such as programmable timers and sleep modes. These features help reduce energy consumption and save on your electricity bills. It would help if you also considered the wattage of the air cooler, as lower-wattage air coolers tend to be more energy-efficient. There is a common misconception that lower wattage means lower air throw, but not the actual case. It all depends on the motor the cooler has and also the blade type and the technology used to provide better air throw.
Noise Levels: Air coolers can be noisy when operating at full speed, which can be a problem if you plan to use the air cooler in a bedroom or other quiet area. Look for air coolers with low noise levels, measured in decibels (dB). The lower the dB rating, the more silent the air cooler will be.
Maintenance: Air coolers require regular maintenance to function effectively. Look for air coolers with easy-to-clean cooling pads and water tanks. The filter and Cooling pads should be removable and washable, and the water tank should be easy to empty and clean. You should also consider the availability of replacement parts and servicing options in your area when purchasing an air cooler, as this will make it easier to maintain and repair the air cooler in the future.
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