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Evaporative Condenser

Thermax Evaporative Condenser operates in a manner wherein a condenser is integrated into a cooling tower which rejects the latent heat of condensation of refrigerant (Ammonia/Freon) through a coil to the surroundings by means of evaporation. Water sprayed onto the coil exchanges heat with the refrigerant.A small quantity of water is evaporated into the air thereby cooling the remaining water cascading to the basin at the bottom. Post evaporation the saturated air passes through the drift eliminators and then forced out using a fan.The coil serves to isolate the process fluid from the outside air, keeping it clean and contamination free in a closed loop, thus creating two separate circuits.

Primary / Internal circuit in which the process fluid / gas circulates inside the coil

Secondary / External circuit where water is sprayed over the coil and mixes with outside air


Limited impact of scaling on cooling performance over time

Minimum deterioration of cooling performance due to scaling, overtime

Honeycomb PVC Wet deck design for most optimal air & Water usage

Air Flow - Parallel at coil side & cross at fill side for efficient heat transfer

Optimized spray water flow to coil for maximum heat transfer


Continuous coil without welded joints

Robust corrosion resistant structural material for long life

Large diameter laminar flow nozzles for clog free operation


Side access door for easy online maintenance

Electronic De-scaling device for trouble free operation

Direct Drive fan arrangement

Operating Principle

The refrigerant flows through the coil of the evaporative condenser

Heat from the refrigerant is rejected through the coil tubes

Part of the heat is removed directly by the downward induced air and discharged to the surrounding

Rest of the heat is rejected to the water cascading down over the tubes

Simultaneously, air is drawn in through the air inlet louvers at the base of the evaporative condenser

Post heat exchange, the condensed refrigerant flows to receiver tank

Why Thermax Evaporative Condensers

Thermax Evaporative Condenser offers unmatched flexibility, providing optimized selections for various refrigeration systems & climatic conditions, utilizing multi flow configuration. Thermax provides the most energy efficient evaporative condenser in the market.

Wide Range of Thermal Duties - Ideal for Ammonia / Freon condensation with low approach

Retro Fit & Replacement— Single air inlet models are designed and fit into the existing system

Selection Customization — can optimize footprint and least Power requirements to suit project requirements, large product range & Customized Material of Construction

Largest sales & support network across India