The first-ever inverter air conditioner was produced by a Japanese company in 1980. After that, because of its energy-efficiency and maximum comfort, this inverter air conditioner has been sold millions of times worldwide by various manufacturers. However, apart from its praiseworthy advantages, it had some serious disadvantages that led many to question buying the AC unit. More Info: https://greenleafair.com/pros-cons-of-inverter-air-conditioner/