Divided by ventilation method: ① natural ventilation cooling tower; ② Mechanical ventilation cooling tower; ③ Mixed ventilation cooling tower
According to the contact mode between water and air: ① Wet cooling tower; ② Dry cooling tower; ③ Dry wet cooling tower.

Divided by the direction of hot water and air flow: ① Counterflow cooling tower; ② Cross flow (direct AC) cooling

Divided by ventilation method: ① natural ventilation cooling tower; ② Mechanical ventilation cooling tower; ③ Mixed ventilation cooling tower
According to the contact mode between water and air: ① Wet cooling tower; ② Dry cooling tower; ③ Dry wet cooling tower.
Divided by the direction of hot water and air flow: ① Counterflow cooling tower; ② Cross flow (direct alternating current) cooling tower; (3) Mixed flow cooling tower
Classified by application field: ① Industrial cooling tower; ② Air conditioning cooling tower.
Classified by noise level: ① Ordinary cooling tower; ② Low noise cooling tower; ③ Ultra low noise cooling tower; ④ Ultra quiet cooling tower.

Divided by shape: ① Circular cooling tower; ② Square cooling tower.
Divided by whether water and air come into direct contact: ① Open cooling tower: ② Closed cooling tower (also known as closed cooling tower or sealed cooling tower).
Other types of cooling towers, such as jet cooling towers, fanless cooling towers, etc.