Wondering Why Is Evaporative Cooler Blowing Hot Air Pearsall WA? There are several common reasons your evaporative cooler may not be working as it should. It could be due to issues like clogged filters, low water levels, a malfunctioning pump, or faulty ductwork. Poor airflow, worn-out pads, or even a dirty cooling system can also cause the cooler to blow warm air. Our expert technicians in Pearsall can quickly diagnose the problem and provide efficient repairs to restore your cooler's performance. If you're experiencing this issue, don't wait—contact us today for a reliable solution and keep your home cool this summer!