How is the quality of Haier central air conditioning?

How to explain the quality of Haier central air conditioning is as follows

Haier central air conditioning is very good, adopting full DC frequency conversion scheme, which is efficient, comfortable and quiet, saving 40% electricity. One-button self-cleaning patent, automatic cleaning of internal and external machines, one-button fix. Haier Central Air Conditioning is also equipped with UVC ultraviolet module to sterilize and remove PM2 1 and Haier Central Air Conditioning. Haier Central Air Conditioning is one of the pillar enterprises of Haier Group, and it is the commercial and domestic central air conditioning production base with the most complete specifications, the most varieties and the highest technical level in China.