3 in 1 Portable Air Cooler: What the Functions Mean

It describes a bundle of functions, but the exact functions vary by model. Read the product manual to confirm whether the unit combines cooling, fan, humidification, purification or another feature.

It is a manufacturer’s feature label rather than a universal standard. Check which four functions the specific model claims and how each is used.

Devanti describes its 7L model as a 4-in-1 appliance combining air cooler, fan, humidifier and purifier. It also lists three modes, which is a separate feature count.

No. Evaporative coolers use water evaporation and ventilation; refrigerated air conditioners use a compressor-based refrigeration cycle. Compare the product type before choosing.