Tips and Tricks to Save Energy While Using a Portable Air Conditioner Save energy while using your portable air conditioner with these simple tips! Set your thermostat to 75-78°F, avoid drastic temperature changes, and cool only the rooms you need. Optimize airflow by placing the unit near an open window and using fans to circulate cool air. Use low or medium fan speeds, and take advantage of the timer and energy-saver modes. Keep your unit clean by regularly cleaning filters and ducts and emptying the water tank. For more tips, visit at https://medium.com/@electricsatlantic/tips-and-tricks-to-save-energy-while-using-a-portable-air-conditioner-529bd779ddaa