The integrated unit of fresh air energy and environmental control has functions such as heating, cooling, purification, dehumidification, humidification, sterilization, total heat recovery, and seasonal bypass. The outdoor air undergoes three-stage filtration, dust removal, and temperature and humidity treatment, which can effectively isolate pollutants such as pollen and haze. For sensitive individuals, it can stay away from allergens, with a heat recovery efficiency of over 75%. The equipment is equipped with exclusive NANOE technology to ensure that the indoor environment is not dry and maintains a high level of comfort throughout the year.