Six years. According to the query of Oaks official website, the warranty period of Oaks air conditioner is 6 years, the warranty period of compressor is 6 years, spare parts are replaced free of charge for life, and only labor costs are charged for out-of-warranty maintenance. That is to say, you can enjoy the warranty within 6 years from the purchase of air conditioners. However, the warranty is only a problem of air conditioning maintenance. If it is external interference, it cannot be listed as the warranty content, such as rats biting off communication lines.