Standard Return Air Filter Sizes

This comes in handy if your furnace is in an attic or otherwise hard to access area.

Standard return air filter sizes.

The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. Ventilation systems for ventilation and air handling air change rates ducts and pressure drops charts and diagrams and more. Which means they can ship out within 24 48 hours. Particle diameter opening size.

The size of a grill the mechanical movement of air and the mathematics that govern the establishment of correct return air vents are determined by these organizations. The most common furnace filter sizes are 10 x 20 14 x 20 16 x 24 18 x 30 12 x 12 14 x 24 16 x 25 20 x 20 12 x 20 14 x 25 18 x 18 20 x 24 12 x 24 14 x 30 18 x 20 20 x 25 12 x 30 15 x 20 18 x 24 20 x 30 12 x 36 16 x 20 18 x 25 4 x 24 and 25 x 25 and these sizes. There s no such thing as a standard size air filter. Our air filters are great and work well in hvac systems furnace and air conditioner systems.

The chart is a furnace filter size finder just click on the filter sizes and you will see purchase options. A high quality permanent washable air filter will outlast the life of your hvac system. 4 tons x 144 square inches return air duct in square inches. A 16 x 20 filter will have actual dimensions of 15 1 2 x 19 1 2.

Calculate the return duct size based on the air conditioner s size and the type of duct you are using. Use the following formulas. All the home air filter sizes. Installation standards and demands are adhered to in order to produce a standard of performance across the career field and ensure the professional installation of hvac systems.

Particle diameter strainers and filters mesh size vs. Discount filters offers many different types of discount air filters to help you breathe better air inside your home based on your specific needs. The most common place you will find furnace filters are either in the unit or in the return air ductwork right next to the unit. Situations may arise where you want or need to install the filter at the return air grille.

The most common ac filter sizes and furnace filter sizes are the 16x20x1 air filter 20x20x1 air filter the 16x25x1 air filter and the 20x25x1 air filter. Most standard air filter sizes are kept in stock. If the supply ducts are in the floor then the return air should be located up high. Your hvac doesn t have to work as hard to push air through a clean filter.

Take a look at our dusteater and lifestyle series. This pulls the air across your body. If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on. Air intakes and outlets ventilation systems air intakes and outlets rules of thumbs.

We pulled out some popular sizes and shapes here but know if you search for yours we have it. Size of air conditioner example. We carry discount air filters in 1 2 inch standard sizes and 3 5 inch media sizes.