WANAS COMBO series recuperators are already available for sale. Recuperators are available in two series, PRESTGE and LIGHT. The PRESTIGE series is the only available recuperator on the market that combines as many as four devices in one. This unique air handling unit has four functions - ventilation, air humidification, heating and cooling. The LIGHT series is an air handling unit that combines two functions - ventilation and air humidification. Find out more in the Air handling Units tab.