New house to me. Have 2 HVAC units in attic. Each has 4 inch high efficiency filters installed. Cold air returns do not have any filters, is it necessary, or smart to have filters in your cold air returns as well? Thanks for your help…..Tony
This is awkward, but...
It looks like you're using an ad blocker. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. If you'd like to support the site, please allow ads.
If any particular ad is your REASON for blocking ads, please let us know. We might be able to do something about it. Thanks.
