Enclosure air conditioners are closed-loop cooling systems, and are typically used in food processing, steel, petro-chemical, cement, paper, and plastics environments. We have the enclosure air conditioners accessories you need to keep your enclosure AC units in tip-top shape, including AC thermostat, thermoelectric cooler, and heating thermostat parts. Zoro also has portable air conditioners units. An alternative to traditional AC models, we also carry evaporative cooler pads, which uses evaporated water to cool the air. Zoro has both portable air conditioner accessories and evaporative cooler pads and accessories.