Air conditioning products varied, some comes with electronic display, remote control or touch screen control panel, built-in timer switch. Also some air conditioning noise, or in low periods without refrigeration.

Buy air before, there are a few small details to decide before you make a decision. Such as volume, air-conditioning is too small, slow cooling; But too, there is no sufficient time to remove moisture, so the room clammy. In terms of small, medium and large painting of air conditioning type, small air support area of ​​100-300 square feet of room, cooling capacity from 5000 to 6500 (Btu / hr); medium support 250-400 sq. ft. cooling capacity of 7000 to 8200 (Btu / hr); big matches from 350 to 650 square feet, cooling capacity 9800 至 1 万 2500 (Btu / hr).

Light sleepers need to consider the noise problem, Consumer Reports rated higher air conditioning, sound very light. In addition, the same paragraph conditioning, in Lowe's purchase, the warranty period is five years, while other businesses may only 1 year.

Several major brands. Friedrich sale at PC Richards, more expensive, at between 500-1200 yuan, cooling capacity from 5000 to 2 万 4000 (Btu / hr). Frigidaire at Lowe's and Best Buy on sale, the price of 100-500 yuan between, cooling capacity from 5000 to 2 万 5000 (Btu / hr). GE window air conditioners occupied the largest market share, at Sam's Club and Wal-Mart on sale, priced at between 150-300 yuan, cooling capacity from 5000 to 2 万 5000 (Btu / hr). Haier at Wal-Mart and BJ's on sale, priced at between 100-500 yuan, cooling capacity from 5000 to 2 万 4000 (Btu / hr). LG is a national brand, Home Depot, PC Richards and local electrical stores are sold, the price of 150-500 yuan between, cooling capacity from 5000 to 2 万 5000 (Btu / hr).