Resources
Filter knowledge, from people who actually install them.
No fluff. The same advice our techs give homeowners in Paducah every day.
MERV 8 vs 11 vs 13: Which Air Filter Rating Do You Actually Need?
A plain-English comparison of MERV 8, 11, and 13 air filters: what each one captures, who each is right for, and when a higher rating is worth it.
6 min readRead
What Size Air Filter Do I Need? Find Your Size in 30 Seconds
How to find your air filter size from the old filter's frame, how to measure the slot when there is no filter, and what to do about odd sizes.
4 min readRead
How Often Should You Change Your Air Filter? (By Household Type)
Real replacement schedules from HVAC techs: monthly vs quarterly, what pets and allergies change, and what a clogged filter does to your system.
5 min readRead
Nominal vs Actual Air Filter Size: Why 16x20x1 Is Really 15.5x19.5
The size printed on your filter is not its true measurement. Here is how the undercut convention works and how to order the right fit every time.
4 min readRead