Li-Combi air door curtain represents the advanced level of comfort air curtains by Stavoklima. The device combines water and electric heating suitable for spaces where emphasis is put on immediate power and energy costs saving at the same time. The Li-Combi air curtain actuates automatically the secondary electric source of heating when the heating water temperature drops below optimum level. This provides constant output temperature and keeping of comfort interior conditions by the manner being most energetically effective. The device is most often used in shopping centres characterized in high concentration of people, in banks, or restaurants.