Honeywell CSO71AE Portable Cooler Review and Buying Guide

portable evaporative cooler

Honeywell CSO71AE Portable Cooler

The portable evaporative cooler CSO71AE from Honeywell is one of the cheapest air cooler and also a very efficient air cooler for small living spaces. This is one of the top selling models of Honeywell and has also got lot of excellent review feedbacks from buyers across the world. If you would like to know in detail what makes CSO71AE a top selling model, how it keeps your space cool, how much of your space it can cool, and how we can justify it as more profitable than your air conditioners then kindly read on. We have reviewed here in detail the features and specifications of this portable evaporative cooler which is one of the best evaporative portable cooler designed to provide you a cool and comfortable living.

Design and Features:

What makes CSO71AE a top selling model? It is one of the most affordability priced portable evaporative air coolers for small living spaces. It is designed with a nice sleek look and the cooler is small enough to fit any corner of your house. It has a 1.8 gallon water tank with a very functional fill door, water level indicator and also a low water alarm. The unit dimensions are 9.8 inches x 15 inches x 25.4 inches and weighs around 12.5 pounds only which makes it so light weighing and fitted with wheels, this air cooler is so easy to move around. It has a carbon dust filter which cleanses and purifies the air before sending it into your living. It provides optimum cooling with its honeycomb media and most of all it provides optimum cooling at a very optimum price.

How it keeps your space cool? CSO71AE uses the principle of natural evaporation to cool air and lower your room temperature. They draw in air and move it over the water sprayed honey comb media. When the hot air moves over it, evaporation occurs and the air gets cooled. The cooling effects of water while evaporation is used for producing cool air. The cool air flows in your room and surroundings to make your living space cool, pleasant and comfortable. They also add humidity to your living spaces which is an added advantage while living in dry and arid climate.

How much of your space it can efficiently cool? The CSO71AE Portable evaporative air cooler can efficiently cool regular small living spaces up to size of 100 square feet with its powerful 150 CFM cool air flow. It is very efficient in cooling and is effective in hot and arid weather conditions.

How does it justify itself as more profitable than air conditioners? It is a non-compressor cooling system and hence unlike air conditioners it can cool your home effectively and inexpensively. They consume very less power of only about 50 W and hence are very energy efficient in operation. You can save a lot of amount in your monthly electricity bills. They do not need any installation or high end maintenance like air-conditioners and hence you can also save on the maintenance and installation price too. They use only water for cooling and do not use refrigerants or special cooling chemicals for their functioning and hence they are more environment friendly than air conditioners.

How easy is it to maintain and install? The CSO71AE is a very easily maintainable cooler. Unlike an air conditioner which needs a technician or professional mechanic for maintaining it, CSO71AE maintenance can be done by anyone. You need not hire technicians or mechanics, a few simple steps and procedures will ensure that your coolers work cool for years together without many breakdowns and hindrances. The removable water tanks allow easy cleaning and re-filling. Also this portable evaporative cooler does not need an installation and can be conveniently placed anywhere in your living. It uses honeycomb cooling media pad and these cooing pads are very readily available in market and you can easily change them when they get worn out.

Technical Specs:

  • Cooling space coverage – Up to 100 square feet
  • Power – 50 Watts
  • Air flow Capacity – 150 CFM air flow volume
  • Water tank capacity – 1.8 gallons of water with low water indicator feature
  • Weight – About 12.5 pounds
  • Cooling Media – Honeycomb cooling media
  • Dimensions – 9.8 inches x 15 inches x 25.4 inches
  • Material – Made up of high quality plastic in white colour, Resistive to corrosion
  • Number of Speed – 3 – High, Medium and low
  • Remote and Timers – Has remote controls and with electronic control panel for friendly display


  • Efficient cooler for small living spaces which is equipped with carbon filter for purifying air.
  • Light weight and portable to move around anywhere in your house.
  • No special assembling or installation is required and is very easily maintainable.
  • Very environment friendly and consumes very less power.


  • Only suitable for small living spaces.
  • Can work only in hot and humid places and is not suitable for all weather conditions.


We highly recommend this product for people who are living in hot and dry places where the humidity level is 40% or lesser. In such conditions this cooler will for sure effectively keep your living space cool and cozy. This portable evaporative cooler from Honeywell is light weight, energy saving, user friendly, environment friendly, and tirelessly works efficiently for long hours.  It is very affordably priced and thoughtfully designed with great features that make it one of the best portable evaporative cooler in market today. It definitely is one of the best portable evaporative cooler for smaller apartment and rooms.


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