Comfortmaker Furnace Filter Replacement
All Filters carries Comfortmaker furnace filter replacements for a range of Comfortmaker HVAC systems, including whole-house air cleaner and air conditioner configurations. Comfortmaker systems use 5-inch deep-media filters in common sizes including 12x20x5, 16x20x5, 16x25x5, 19x20x5, 20x24x5, and 20x25x5. These high-efficiency filters keep your system running cleanly by trapping dust, dander, pollen, and other airborne particles before they reach sensitive components. Find your Comfortmaker filter replacement by OEM part number or nominal size, and browse our full selection of air filters for furnace systems. Comfortmaker is a Carrier Company.
Comfortmaker Whole House HVAC / AC / Air Conditioner Filters
| Comfortmaker |
OEM Brand |
OEM Part Number |
Nominal Size |
Filter Options |
|---|---|---|---|
Comfort Maker |
FAIC0014A |
12x20x5 |
SELECT |
FAIC0017A, FAIC0017A02, AHIC0017A |
16x20x5 |
SELECT | |
FLIC0014A, 5-1625-11 |
16x25x5 |
SELECT | |
FAIC0021A, AHIC0021A |
19x20x5 |
SELECT | |
FAIC0024A, FILXXFNC0024 |
20x24x5 |
SELECT | |
FLIC0020A, 5-2025-PR11 |
20x25x5 |
SELECT |
FAQs on Comfortmaker Air Filter Replacement
What is the best Comfortmaker furnace filter size?
Comfortmaker uses 5-inch deep-media filters in multiple nominal sizes depending on the system model. The correct size is printed on the frame of your existing filter. The best size of Comfortmaker furnace filter corresponds to your home's filter cabinet and was selected based on your home's size and HVAC configuration.
How do I replace the Comfortmaker furnace filter?
To replace your Comfortmaker furnace filter, turn off your HVAC system before replacing the filter. Open the air cleaner cabinet, slide out the old 5-inch media filter, and dispose of it. Insert the new Comfortmaker filter replacement with the airflow arrows pointing toward the blower. Close the cabinet securely and restore power to the system.
How often should I replace my Comfortmaker furnace filter?
Most Comfortmaker furnace filters should be replaced every 6 to 12 months. The 5-inch deep-media design holds significantly more particulate than standard 1-inch filters, supporting a longer service interval. Households with pets, heavy system use, or allergy concerns should replace closer to the 6-month mark to maintain air quality and system efficiency.
Can I use any filter for my Comfortmaker furnace?
You need a filter that matches your Comfortmaker system's cabinet dimensions, specifically the nominal size and 5-inch depth. Using a filter that's too small can leave gaps that allow unfiltered air to bypass the media, reducing air quality and potentially damaging system components. Look for compatible OEM products by Carrier and high-quality aftermarket alternatives for less by SpiroPure.
What are the benefits of Comfortmaker filter replacements?
Regular Comfortmaker filter replacement keeps your HVAC system operating at designed airflow levels, reducing energy consumption and preventing strain on the blower. It also protects the heat exchanger and coil from particulate buildup, extending system lifespan. And they keep your indoor air cleaner.
