When you turn off your HVAC device for a couple several hours, dust particles accumulate while in the ductwork. when you finally turn on the unit, the particles recirculate in the house. They choose your beddings, home furniture, floor, as well as other objects. you might need to dust the surfaces o

larger MERV scores on filters capture extra particles, but may sluggish airflow. locate the proper balance for your system. usually give window units a cleaning before installing them inside the spring and once again before storing them for the winter. Then, stick to these steps mid-season as neede