How about Gree's "Unbounded Wind" air conditioner and new fan?

Gree wind unbounded fresh air air conditioning is equipped with an innovative two-way fresh air ventilation system to solve the problem of breathing fresh air without opening the window. Unbounded wind simulates human respiration, and built-in HEPA filter filters outdoor pollutants, bringing fresh air. At the same time, the indoor air containing volatile gas, odor and high concentration of carbon dioxide is discharged outside to realize efficient replacement of indoor air, and two-way ventilation is the real fresh air! The three core technologies of fresh oxygen, purification and temperature control allow you to breathe fresh air at home.