Key public service facilities, such as schools, government buildings, place of worships, hospitals, and communication infrastructures have to survive the most severe typhoon, earthquakes, so that they can continue to function, as well as to provide shelter for earthquake victims and refugees.

Secondly, many of these facilities, for example communication shelters, house sensitive electronic equipment that has to be cooled and protected from humidity, and thus requiring 24 hours A/C.b-panel^® ensure the lowest A/C energy consumption.