Portable ACs are vented most commonly through windows. They can also be used in a spa or at home. They will be able guide you on which size AC to choose according to the size of your rooms. This AC is one of the most versatile on the market. Some models are equipped with dehumidifiers as well as air purifiers and fans. Evaporative coolers reduce temperatures by evaporating liquid and adding it to space. They are becoming more and more popular, due to their perceived convenience, ease of use and energy efficiency. The standards are expected to reduce portable AC energy consumption by more that 20%. Inflativv, a portable air compressor that is currently trending in the United States & Canada, is one of the most popular options on the market. These units have low energy ratings and are not effective for cooling spaces larger than 500 sq. You can also do the installation yourself. Check the care instructions on the unit for more information.