Air Cleaners & Furnace Accessories

DIY FAQs

What type of furnace filter should I buy?

Both the type of filter you choose, as well as how frequently you change it, depends on several factors, which include: if you have pets, if you...

What does it mean when a furnace filter is “electrostatically charged?”

This is when the media of the filter uses static electricity to attract and capture small airborne particles, which both positively and negatively...

How do I clean my air cleaner?

Remove the intake grill and wash with warm, soapy water. Do not place in a dishwasher. Make sure it is dry before returning it to the unit. Dust the...

How should I clean my washable filter?

Spray gently with warm water in the opposite direction of the airflow. Do not use the full stream of a garden hose. Too much pressure can push holes...

What size air filter does my furnace need?

Check labeling on or measure the existing filter. If no filter exists, measure the length and width of the space where the filter should...

How do I change the air filter in my furnace?

The filter generally is located as close to the blower unit as possible. It will be between the incoming ductwork and the blower. Furnaces may have...

What does MERV stand for?

Minimum Efficiency Reporting Value. It basically rates the filter’s ability to trap particles from the air. The higher the MERV number, the more...

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