Air conditioner FAQs Jones recommends you keep the unit level, circulate cool air with a fan, keep heat-producing objects away from the AC thermostat, and use a low fan speed on humid days.

It includes three filters and ionization, and the fan speed adjusts based on the air quality. The Coway Airmega AP-1521HH Mighty air purifier was the fastest at removing air pollutants like dust ...

How noisy the fan is, based on a sound meter measurement of air, blade, and motor noise at the highest speed setting. How noisy the fan is, based on a sound meter measurement of air, blade ...

The lowest speed may provide even quieter operation but will not be as effective at cleaning the air. On Auto mode, a built-in dirt sensor or other inputs will allow the fan to run on a higher fan ...