AC filter
I have 3 roof top ac units. I checked the inside coils and they are very nasty. It appears that the cheap sponge like factory filters don't work well. I do keep them clean but too much junk gets by th...
Forum Discussion
How often are you changing the foam filters out....??
Yes they are washable but after couple times they begin to stretch
Thin foam material is used because of airflow requirements......if return airflow gets restricted icing can occur on evap coil
Buy a large bag of foam material (ACE Hardware etc) and cut out several filters
Then change out routinely/as needed.....that could be weekly/monthly/bi-yearly just depends on use and environment
Clean dirt ones by soaking in soapy water....rinse/dry/store. Then discard after a few uses.
Foam is cheap..but effective when kept clean and not stretched out
Yes they are washable but after couple times they begin to stretch
Thin foam material is used because of airflow requirements......if return airflow gets restricted icing can occur on evap coil
Buy a large bag of foam material (ACE Hardware etc) and cut out several filters
Then change out routinely/as needed.....that could be weekly/monthly/bi-yearly just depends on use and environment
Clean dirt ones by soaking in soapy water....rinse/dry/store. Then discard after a few uses.
Foam is cheap..but effective when kept clean and not stretched out
