How to heat the air conditioner in Hanting Hotel?

There is heating on the remote control, so adjust the temperature to your comfortable level.

Around 1700 BC, the Babylonians had invented an ancient air conditioning system, which used the wind pole installed on the roof to blow cold water into the room from the outside to make people feel cool indoors.

/kloc-in the 9th century, Michael Faraday, a British scientist and inventor, discovered that compressing and liquefying a certain gas could freeze the air. This phenomenon appeared when liquid ammonia evaporated, and his idea was still theoretical at that time.

1842 Florida doctor John Gorrie compressed a new building with central air conditioning. Alfred Wolff, an engineer in hoboken, New Jersey, helped design this brand-new air conditioning system and transferred this technology from textile mills to commercial buildings. He is regarded as one of the pioneers in reducing the temperature of the working environment.