When the question is what type of room humidifier choose, look for the most efficient solution in terms of cost, maintenance and quality. Evaporation cold, considered to be the best system
Hygienic additive specially designed by the German company humidifier charge deposition for 10-14 days.
If humidifiers and air purifiers Venta supraumidificarii a room no problem. After reaching the optimal level of moisture air it gets harder. This makes evaporation to no longer produce, but to stagnate.