Dry air supports evaporative cooling, but storm humidity changes the result
Evaporative coolers depend on water evaporating into the outdoor air. In the drier parts of Anson’s hot season, that process lowers the temperature of the air moving through the pads without compressor-based refrigeration. The same cooler performs differently when stormy weather brings higher humidity, because already-damp air takes on less water. A cooler that seems effective in dry weather therefore needs to be judged across the conditions it actually runs in.
Windblown dust in the Anson area collects on pads and works its way into the parts that move and distribute water. Pads lose effectiveness as they become loaded, while pumps, screens and water-distribution components need attention when dust or deposits interfere with flow. Repeated evaporation also leaves minerals behind in the reservoir and on the pads, which is why cleaning, drainage and pad condition matter alongside the mechanical parts.
Seasonal work includes checking that water reaches the pads evenly, the pump operates properly, and any belt or motor is running as it should. We also inspect the drain and cabinet, since a cabinet that admits extra dust gives that dust another path into the cooler. Before cold weather, retained water and exposed water-supply components need proper shutdown and protection so a freeze does not damage them.