Current year 2008/07 Good business development overshadowed by nonrecurring expense 2008/06 Appointment of Stephen Grao as the new head of AsiaAmerica 2008/05 Zehnder Group takes over Swiss ventilation company 2008/04 Zehnder Group sells its Italian manufacturing company for aluminum radiators 2008/03 Downturn in heating sector led to lower profit 2008/02 Zehnder Group acquires UK company active in the domestic ventilation 2008/01 Acquisition-related growth as heating industry weakens