Residential HVAC Filters

Maximize your energy efficiency and the lifespan of your AC unit by replacing your HVAC filters on a regular basis. Whatever size you need in your home, we have you covered with an expansive selection of standard, hard-to-find, and custom sizes. Enjoy the following features when you purchase HVAC air filters with Factory Direct.

  • 100% synthetic media
  • High filtration efficiency
  • Options of 1, 2, and 4-inch depths
  • MERV 6, 8, 11, and 13 available
  • Radial wedge pleat configuration for optimal pollutant-holding capacity
  • Heavy duty frame with moisture-resistance
HVAC Air Filters

HVAC Filters By Size

HVAC Filter Replacement: The Step-by-Step Guide

Replacing your HVAC filters should be easy. By following our simple instructions, you should be on your way to cleaner air and a happier, healthier home.

Step 1: Determine how often you should be replacing your HVAC air filters. If your filter is made of fiberglass, you will have to switch it out at least once a month. Thicker, pleated filters need to be replaced less often. However, when you add pets into the mix, or it is a peak summer or winter month, the frequency of replacement increases back to once a month.

Step 2: Measure your current HVAC air filter. Before your filter is too dirty, remove it from your furnace or AC unit. Then, take a look at our comprehensive instructions.

Step 3: Dispose of your dirty filter. Unless you have a washable HVAC filter, you are going to need to dispose of your old model safely and properly. Make sure you have a plastic bag large enough to hold the filter before removing it from your AC unit or furnace. Read our filter disposal guide for more information.

Step 4: Install your filter. With the airflow arrow pointed towards the blower, insert your HVAC filter inside your furnace or AC system.