WARM’s pool heating, air cooling and drying multifunction heat pump possesses all functions of traditional solution, also avoids problems occurred in traditional solution. The multifunction heat pump features accurate water temperature controlling function, controlling range is 26~28℃, moisture extraction rate is up to 18~172kg/h, provides customers best comfortability. The unit applies modular design, able for adding functions including fresh air flowing, filtering, oxygenation, etc., especially suitable for large-scale natatoriums.