Portable air conditioners are available from Best Buy, The Home Depot and Target. Some have small cooling capacities appropriate for 250 square foot rooms, while others cover areas of at least 850 square feet. Reviews for many of these appliances are shown on the retailers' websites.
Portable air conditioners are offered by several companies, including Frigidaire, Honeywell, RAC, Haier and SPT. Models have different features, such as remote control, multiple heat and fan settings, dust filters and casters. Most power levels range from about 4,000 to about 14,000 British thermal units. Prices vary significantly from just over $200 to almost $700 as of 2015. While many models are offered online, some are sold at the retail locations.