Powerful Cooling: Cool spaces up to 300 square feet with an ASHRAE-rated 8,000 BTUs of cool air (5,000 BTU 2017 DOE Standard) perfect for your home office, bedroom, or living room. The safety and well-being of workers should be a top priority for any employer and electrical appliances used in the workplace should be regularly inspected and tested to maintain a decent safety standard. Many power banks on this list have pass-through charging, including our top pick the Nitecore NB10000. Most modern power banks can be fully charged and discharged about 1,000 times before they no longer function. At any time, you can change it. An AC can disinfect the air we breathe but not the fan or cooler. A portable air cooler that utilizes innovative evaporative cooling technology to produce blasts of cool air in no time. Based in Wyoming, Austin spends time drawing, climbing, and playing music. Austin Beck-Doss is a Staff Writer at GearJunkie. Prior to that, Austin worked as a rock climbing and wilderness guide. Check out our honest review of the Zero Breeze Mark 2! Also, under more favorable instances (if the insulation is very good or it is nighttime), the Zero Breeze 2 can be a good cooling option for a cabin.