It can also be a combination of factors, like issue always being there, but not as noticeable with colder AC air.

You could also add an ERV (but that gets pricey) to bring in outside air to that unit as well.

Quote from @Jason Moore: Active duty Air Force member transitioning to a new life after 23 years of service.

We are fresh into learning about investment properties with an eventual goal of rentals.

Quote from @Chris Watson: Well, I am not @Michael Baum and pale in comparison to his deals of the day, but this is one all RE owners can use12 Pack of MERV 8 Air Filters is $39.90 ($37.80 for military & veterans)  https://www.homedepot.com/p/HDX-12-in-x-12-in-x-1-in-Standar...Sizes available: 12x12, 12x20, 12x24, 14x14, 14x20, 14x24, 14x25, 16x20, 16x25, 20x20, & 20x25This is a year's supply. 

Tampa, FL - several major hospitals, MacDill Air Force Base, professional sports and universities and colleges.

Things are kind of left in the air until I circle back.

As we think about purchasing our first investment property, we want to harness the power of owner-occupied strategies (and the VA loan as I am active duty Air Force).

So a dirty coil will make the unit work harder as the coolant transfer to the air around it is not as smooth as it could be.

So we custom built a solution within air table to help us with this as we have an internal project manager on our team.