"Cool Met Stuff" : What does "Huinan" in Putonghua imply? Why is it inefficient to use an air conditioner for dehumidifying purpose?

23 March 2018

"One drop, two drops, three drops..." Have you ever seen walls covered with water droplets during humid weather? Violet is also troubled for the same reason! The latest episode of "Cool Met Stuff" not only explains the reason of this phenomenon, but also discuss the drawback of using an air conditioner for dehumidifying purpose. The video is now available on the "MyObservatory" mobile application and the Observatory's website for your viewing.

Observatory's "Cool Met Stuff" channel (broadcast in Cantonese):
http://www.hko.gov.hk/video/wxonairyoutubec2.htm

Broadcast schedule of various TV channels:
http://www.hko.gov.hk/video/weatheronair.htm