How do indoor swimming pools in general five-star hotels dehumidify at constant temperature?

The heat sources of thermostatic equipment can be boilers, ground source heat pumps and air source heat pumps. At present, air source heat pump is common.

Dehumidification equipment generally adopts cooling dehumidification or fresh air dehumidification, and air source dehumidification equipment adopts cooling dehumidification to recover the heat of water evaporation in swimming pools, which is also the most energy-saving dehumidification method in swimming pools so far.

This answer is provided by the heat pump arrangement of phnix swimming pool.