An air conditioning unit uses a special liquid (refrigerant) that absorbs warmth from indoors after which you can pumps them outdoors. This will make the air within cooler and less humid. The cooled air is circulated again into your own home with a lover by means of ducts or vents. https://industrialdehumidifierren89012.blogdigy.com/the-basic-principles-of-air-con-rental-46521401