An evaporative cooler (otherwise known as a swamp cooler) is one of the many solutions for air conditioning that you can opt for, and it works in a very simple, energy efficient manner. It\u2019s based on the principle of the cooling effect that\u2019s created through evaporation, so all you\u2019ll have to do is refil its water reservoir with water every now and again for it to work. Evaporative coolers are also far less expensive compared to a typical air conditioner, but this might not be so true if you\u2019re actually looking for the best evaporative air conditioner. If all you need is something that\u2019ll give you a nice breeze on a hot day, then the Hessaire MC37M would be one of the best choices you should consider. Here\u2019s a breakdown of what you can expect from it:\r\n\r\nWhy We Like It - Hessaire MC37M\r\nThe Hessaire MC37M evaporative cooler is an efficient, reliable and compact cooler that\u2019s got 4 heavy duty locking casters, an air swing delivery system for automatic oscillation, and a large 10.3 gallon water tank that keeps it running for up to 4 hours.\r\n\r\nPerformance\r\nThere\u2019s not much difficulty in getting the Hessaire MC37M portable evaporative cooler to work, as it only features 1 rotary dial and 3 switches as controls. It\u2019s got a fan that\u2019s got three levels, and oscillating levers that ensure even distribution. It boasts of a powerful airflow output of up to 3100 CFM, which allows it to properly service a floor area of up to 950 square feet. While this might be more preferable for a workshop space or a larger office, the Hessaire MC18M evaporative air cooler is more suitable for smaller spaces, as it has a cooling coverage of up to 500 sq ft.\r\nEnergy Efficiency\r\nChoosing to go for an evaporative cooler over any other kind of air conditioner means you most probably aren\u2019t as comfortable with the high levels of energy consumption that a typical window unit or even a portable air conditioner. This is so because it does not rely so much on electricity to produce cool air. Also worth mentioning is that the Hessaire MC37M evaporative cooler for example only has 3 fan speeds to choose from, so it shouldn\u2019t be that much of a drain on your electricity.\r\nFiltration\r\nA filter is one of the components that you\u2019ll likely never miss to find on an AC unit, and the Hessaire MC37M also spots one that you\u2019ll need to maintain every now and then to ensure that it always performs at optimum level. This involves making sure that you run the cooler on fan only for about 30 minutes to dry it out before storage, especially if you don\u2019t intend to use it over winter. This also applies to the Luma Comfort EC111B, despite it being of a different size and cooling capacity.\r\nDurability\r\nThe Hessaire MC37M is backed by the standard 1 year manufacturer\u2019s warranty, but you can expect to use it for well over 10 years before it starts to show any signs of breaking down. In case it does, please try and reach out to the Hessaire customer service team and let them know about your problem, instead of having an unqualified technician tamper with it.\r\nValue\r\nOne thing that sets apart the Hessaire MC37M from the Honeywell CO30XE Portable mobile evaporative cooler is that it\u2019s got a 3 sided, rigid, high density cooling pads that provide a larger surface area for generating cooler air. It\u2019s 10.3 gallon water tank also allows it to generate cool air for up to 4 hours, but you will be able to hook up both coolers to a hose for continuous water fill, making them last as long as you\u2019d want them to.\r\nHessaire MC37M Wrap Up\r\nBefore you make your purchase, you\u2019ll have to clearly understand that evaporative coolers are nothing like AC units. They don\u2019t have an air compressor, as they only rely on the evaporating effect from cooling media to cool down your room. You can go ahead and read through some of the customer reviews that previous customers have left about it to find out what the first hand experience of using it is like.