Maintain shop comfort with powerful evaporative coolers in the Portacool Jetstream series. The Portacool Jetstream™ packs the biggest cooling punch by combining impressive airflow with KUUL Comfort™ evaporative media, the highest-quality evaporative media on the market made in the USA exclusively for Portacool products. Jetstream evaporative coolers provides maximum comfort when it counts. Cool larger commercial and open spaces from 1,000 to 5,625 sq. feet.