How often you change your evaporative cooler pad depends on a few variables. How often and for how long you use the pad will dictate how often you change it. The water supply to the unit will also affect how often it has to be changed.
Refer to the owner’s manual of your unit for detailed instructions and a maintenance schedule.
Evaporative cooling pads vary on their lifespan. It depends on how long and how often the cooler is used. The quality of the water supply also affects the lifespan of the cooling pad. If you notice the cooling pad is cracked, you should definitely replace it.
Some common brands of cooling pads are the Aspen and Cellulose. If you have Aspen cooling pads, you should change them at the beginning of each season or sooner, depending on the mineral deposits built up on the pad. Cellulose, or CelDek, pads last longer and require changing every 3 to 5 years. If you are unsure what type of cooler pad you have installed in your unit, refer to the owner’s manual for a detailed schedule and instructions on changing it.
There are a few ways you can get more life out of your cooler pads and increase the lifespan of your evaporative cooler, such as: