On the subject of furnaces, most homeowners know furnace filters enable their furnace to operate more effectively by means of distributing clean, filtered air throughout their homes. It’s also important to consider how effectively your furnace filters traps animal dander, dust particles as well as other airborne debris. Always try to get the best furnace filter possible.

Best furnace filters

Improves Your Air Quality - Guaranteed.

You'll feel better knowing the air you're breathing is healthier.Air Sponge Filters are up to 60 times more effective in capturing dangerous fine particles and fumes from your air, compared to ordinary store bought furnace filters!

Common effects of polluted indoor air include: irritation of the eyes, nose, and throat, headaches, dizziness, and fatigue.(EPA)

Cleaning my air

This is not my first time ordering from this company and won't be the last time. I did go back to the store bought to try to save money and boy was that a big mistake. So I am back and I will stay a customer till the end

Reviewed by: mindy moen from port saint lucie fl.. on 7/24/2012 Read more

Germ-Fighting Furnace Filters

Everyone knows that mold and mildew are repulsive and foul-smelling, but what you may not know is that mold and mildew are germs - of the fungal variety.mold

It has been proven that mold and mildew are a common cause of allergies. As they grow, mold and mildew can release irritating spores into the air. Now you can control these spores from contaminating the air you breathe by using Air Sponge furnace filters. These remarkable air conditioning filters utilize AegisTechnology to eliminate the filter as a breeding ground for mold, fungi, bacteria and other common airborne contamination. Aegis treated filters, when tested, reduced airborne micro-organisms by up to 86.5% in a single pass!

Best Decision.

We have been using this filter for many years and are very pleased with the product. My wife has severe allergies and this filter does help tremendously. I would and do recommend this product to many people. Thanks for a fantastic product. Ray K.

Reviewed by: Ray Kowalski from Hollywood, FL. on 5/22/2012 Read more

Best Filters

Could not live or breathe without these filters. Very seldom use my inhaler at home because of them. You can see the results when you change the filter so you know it is doing what they say it will do. Have tried HEPA filters, charcoal filters, and certain other filters that gave me asthma attacks from the materials they were made from. These are absolutely perfect.

Reviewed by: Cheryll Whelan from Atlanta, GA. on 8/19/2011 Read More

Saves You Money & Time.

When you have a clean heating/cooling system, you have lower electric bills, less repair bills and longer lasting equipment. Forget about spending your weekend at the mega stores searching for furnace filters! We'll ship your replacement filters right to your door, and shipping is FREE!

Heating and cooling account for about 56% of the energy use in a typical U.S. home, making it the largest energy expense for most homes.(U.S. Department of Energy)

furnace filter home delivery

Have an Odd Sized Filter? No Problem.


Have you ever gone to the store to purchase an air conditioning filter, and after searching for a while, you found one you thought would fit? But when you get it home and try to install it, you find out it doesn't fit very well?

Well those days are over! Air Sponge Filters are hand crafted to your exact size - not some generic, one-size-fits all. No more leaky filters. Your Air Sponge Filter is crafted to fit perfectly, so it can filter your air perfectly. Quality all the way. Designed & manufactured in the USA!

Superior over the "store bought" types

Easy to install & maintain. Filtering ability is superior over the "store bought" types. The support frame is very sturdy and the exact size for my AC system. The service of e-mail furnace filter change reminders is a welcomed plus.

Reviewed by: Peter Hulsart, from Woodbury, Connecticut. on 2/13/2011 Read more

Patented Leak-Guard SealTM Gives You 100% Air Protection.Filter Frames

To make sure that all the air and pollutants go through your furnace filter and not around it, your new Airteva filter features our patented Leak-Guard seal. When your air conditioner or furnace turns on, the difference in pressure causes an air tight seal. No bypass means your filtering 100 % of the air. That means the harmful particles are trapped in the ac filter, not in the lungs of you and your family.

Our Filters Are Not Made of Cardboard!

Airteva Filters are crafted from industrial strength aluminum alloy, not cardboard! Your permanent reusable frame is built to last. It's backed by a
10 year warranty!

At Air Sponge we absolutely love trees, and we don't think it's necessary to kill them to manufacture air filters! No trees are harmed in our manufacturing process.

An industry - leading 10 year warranty! If your furnace filter breaks for any reason return it for a free repair or replacement.

homeair conditioning filters dr. recommended

Best furnace filter you ever used - or
your money back!

Your new Airteva furnace filter arrives ready to install, nothing to assemble. Completely backed by the Air Sponge 60 Day Money-Back Guarantee. Clean, fresh air and so convenient -- you owe it to yourself to give it a try.

Select Your AIRTEVA Filter

Choose the Filter that Works for You
All systems include our patented custom made air filter frame.

BioSponge filter

BioSponge Plus filter

Microsponge filter

Enter Your Size: (choose your filter above first)