Air Cooler Evaporator Pads: How to Choose and Maintain Them

It holds or distributes water across a surface so air moving through the cooler can evaporate some of it. That process cools and humidifies the outgoing air.

There is no single interval for every model. Follow the manufacturer’s inspection and replacement schedule, and replace media that is damaged or cannot be cleaned as directed.

Only if the manufacturer permits washing for that pad. Use the specified method and avoid damaging the media or leaving cleaning residue in the water system.

Match the cooler’s model number and replacement part code, then verify dimensions and media type against the official parts listing or manual.