Cooling Tower Efficiency

Calculate cooling tower efficiency based on inlet temperature, outlet temperature, and wet bulb temperature of air. Cooling tower efficiency represents the effectiveness of evaporative cooling systems in reducing water temperature.

Calculator

Inputs

Inlet Water Temperature (°C)

Outlet Water Temperature (°C)

Wet Bulb Temperature of Air (°C)

Results

Cooling Tower Efficiency-- %

Temperature Range-- °C

Approach Temperature-- °C

Inlet Temp (°C)	Outlet Temp (°C)	Wet Bulb Temp (°C)	Range (°C)	Approach (°C)	Efficiency (%)
40	30	20	10	10	50
45	32	22	13	10	65
50	35	23	15	12	71.4
48	33	21	15	12	75
52	37	24	15	13	72.7
43	30	19	13	11	76.5
55	40	25	15	15	75