Replace evaporative cooler pads
Why it matters
Swamp cooler pads in the Southwest are consumed by mineral-heavy water and require seasonal replacement. Clogged pads eliminate evaporative cooling.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another replace evaporative cooler pads.
How to do it
- 1
Turn off the evaporative cooler at the circuit breaker before service.
- 2
Access the cooler unit (typically roof-mounted or wall-mounted on the side).
- 3
Open the pad chamber door or panel to expose the cellulose or aspen pads.
- 4
Note the pad dimensions and model number for ordering replacements.
- 5
Carefully remove the old pads by unclipping or sliding them straight out.
- 6
Inspect the pad frame and water distributor for mineral deposits or damage.
- 7
Install the new pads, ensuring they sit level in the frame and fit snugly.
- 8
Close the chamber door and fill the reservoir with fresh water.
- 9
Turn on the pump briefly to wet the new pads, then operate cooler normally.