The cooling is typically obtained through a refrigeration cycle, but in some cases evaporation or cost-free cooling is made use of. Air conditioning programs will also be designed based on desiccants (chemicals which remove moisture through the air). Some AC systems reject or shop heat in subterranean pipes.[2] Its special https://docs.google.com/spreadsheets/d/14Zqd0FEGkdjJlcohp4SFWeSZ9M4AIBFQpIDlHrjqztI