Installations for air conditioning

Ventilation (from armor. ventilatio — airing), adjustable air exchange indoors, and also devices which create it. It is intended for ensuring necessary purity, temperature, humidity and mobility of air century. These requirements are defined by hygienic standards: availability of harmful substances in air (gases, vapors, dust) is limited maximum permissible (harmless to human health) to concentration, and temperature, humidity and mobility of air are established depending on the conditions necessary for optimum health of the person.