Thread
:
Cleaning A/C Ducts ???
View Single Post
10-07-2019, 08:39 AM
Chatbrat
Sage
Join Date: Sep 2014
Posts: 4,410
Thanks: 0
Thanked 987 Times in 384 Posts
Use a MIRV 11 or a better Merv 13, in a designer change them once a year--if you use a Mere 8-change it every 6 months
Chatbrat
View Public Profile
Find all posts by Chatbrat