A7 The infrared-rays not only radiate on the surface but also penetrate into the inside. Like the sunlight, VAL6’s radiant heat travels directly, unaffected by wind or rain, to the place you want. Also it doesn’t automatically rise to the ceiling.
A1 It is the natural way of cooling like a waterfall. When water contacts dry and hot air, it evaporates into the air. This is chemical change and it requires heat, thus water evaporation consumes the heat in air. That’s why evaporative cooler can produces cool air with only water.
A5 Drying cooling element is needed after each use. It’s only pressing operation switch then cooler dry element automatically. Sometimes it is necessary to flush water tank, rinse cooling element or clean water spray bar.