Find Your HVAC Filter in 30 Seconds
Answer a few quick questions and we’ll point you to the right filter size — no measuring, no sales pressure.
Free. No signup. Built by a real HVAC technician.
Step 1 of 3
Where is your air filter located?
Not sure? Pick the closest option — you can’t break anything.
Most homes have the filter either behind a large return vent grille (often in a hallway) or inside the furnace or air handler (closet, attic, or garage).
You’ll be able to upload a photo later if you’re unsure.
Step 2 of 3
Do you know your filter size?
Most filters are printed with the size on the frame. If not, we’ll help you figure it out.
Step 3 of 3
Let’s get your filter size
If you already know your filter size, enter it below.
Not sure? That’s common. You can check the old filter label, measure it directly, or upload a photo later.
Your matching filters
Based on the size you entered, these filters will fit your system.
Status: —
Filter size detected
Filter Size: —
buy this filter
Recommended places to buy:
Best Overall
Good balance of airflow + filtration for most homes.
Best Budget
Basic filtration, lowest cost.
Allergy/Pets (Merv 11+)
Better dust/pollen capture (make sure airflow is adequate).
*Disclosure: As an Amazon Associate, Easy Home HVAC earns from qualifying purchases.
*We may earn a commission if you buy through links on this page, at no extra cost to you.
Tip: If your system struggles with airflow, choose a lower MERV rating.