Quote:
Originally Posted by Normal
Our filter is supposed to be changed annually. At best your washable filter is Merv 8 runs anywhere between 130-150 dollars and will lose efficiency over time. A Merv 11 paper filter 20x20x 4 is only $30 and is much more efficient.
To even consider a washable filter, ask yourself how long you plan on living in your home. Then calculate lost efficiency and the probability that it will end up in the trash sooner or later. Most have their ducts eventually cleaned anyway within 5 years?
|
The washable filter sold in the villages DOES NOT loose efficiency over time. However, a paper filter that is allowed to accumulate dust (etc.) WILL loose efficiency over time.
Here is an interesting Bob Villa article on air filters.
How Often to Change a Furnace Filter, Solved! - Bob Vila