If you’re unsure how to turn off your furnace, contact your landlord or the manufacturer.
Make sure to note the type and size of filter if yours is not reusable. You will need to purchase the same type/size to replace it.
Make sure to pay attention to the arrow you drew. Place the filter in the right direction of airflow.
Electrostatic filters need to be cleaned every three months. Electronic filters should be cleaned weekly. Mechanical filters are not reusable and should be replaced once a month.
