Heating & Cooling: can you rinse your air conditioning filter off or must you purchase a new one every year? Dan's of Central Florida,... on May 29, 2011 Hello Theresa, ...» I would go with just replacing the filter every year (or more often as needed). You may risk expensive damage or reduced efficiency just to save a little money on a new filter.
I would go with just replacing the filter every year (or more often as needed). You may risk expensive damage or reduced efficiency just to save a little money on a new filter.