Demonstration model: Haier KFR-35GW/06EDS8 1 System version: Variable frequency air conditioning Haier air conditioning healthy airflow refers to the three patented health technology upgrades of Haier air conditioning, namely intelligent self-cleaning, purification self-cleaning and fresh air self-cleaning, which can solve air health problems such as air conditioning cleanliness, air cleanliness and fresh air, and realize the upgrade from self-cleaning air conditioning to healthy air conditioning and then to healthy air.