A cooling tower is a heat‑rejection device that removes waste heat from a system by cooling circulating water. It transfers heat to the air through evaporation (open circuit) or through a heat exchanger (closed circuit), then returns the cooled water back to the system.
/ˈkuːlɪŋ ˈtaʊər/
A cooling tower is a heat‑rejection device that removes waste heat from a system by cooling circulating water. It transfers heat to the air through evaporation (open circuit) or through a heat exchanger (closed circuit), then returns the cooled water back to the system.
What does a cooling tower do?
It removes heat from circulating water and releases it to the atmosphere, then sends cooled water back to the system.
Source: The Cooling Company
Cooling towers reject heat to the air to recirculate cooled water.
Large commercial buildings use cooling towers to reject heat from chillers, keeping indoor spaces comfortable while reducing operating costs.
Maintain water treatment and clean fill media regularly to prevent scale, corrosion, and biological growth.
“Maintain water treatment and clean fill media regularly to prevent scale, corrosion, and biological growth.”
Some cooling towers are designed as architectural features to maximize airflow and efficiency.
What’s the difference between open and closed circuit towers?
Open towers expose water directly to air; closed circuit towers use a heat exchanger to keep process water sealed.
Do cooling towers need regular maintenance?
Yes. Water treatment, cleaning, and inspections are critical for efficiency and safety.
Why does wet‑bulb temperature matter?
It determines the lowest achievable cooling temperature and affects tower performance.
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