Replacement Furnace Filters
Money Back Guarantee
Free Shipping Every Day
Standard shipping is free to the lower 48 states. We also offer 3-Day, 2-Day or Next-Day shipping for a variety of products.
Shipping to Hawaii, Alaska, and Canada may incur additional shipping charges.
Canadian shipments may incur duties, taxes and brokerage fees after your order is confirmed. These fees are non-refundable and will not be reflected in your order total.
For more information, go to Shipping & Delivery Information.
Shop by Popular Furnace Filter Sizes
Featured Furnace Filter Brands
Special Sized 4 inch and 5 inch Filters
Furnace Filter Customer Favorites
Furnace Filter Best Sellers
Learn About Replacement Furnace Filters
Shopping Guides
MERV Filter Ratings Explained
Helpful Blog Posts
Related Articles
Furnace Filters FAQLearn about furnace filters and their importance to your HVAC system.
Testing Your Air for Allergens and PollutantsLearn about DIY kits for testing allergens and pollutants in your indoor spaceHigh-efficiency air filters help your HVAC system or furnace run more effectively. They’ll last longer, saving you money over time, and remove more airborne particles than traditional filters. The models we carry also fit most common HVAC brands and sizes. We offer a variety of furnace filter models with high MERV ratings, as well as different thickness levels and air cleaning abilities.
Most furnace air filters are easy to install and last up to a year. Keeping your furnace air filter up-to-date will save you money in the long run since your HVAC system will run smoothly and efficiently.
Be sure to check out the air filter’s MERV rating, which tells you how well the filter captures and holds dust of a certain size. Typically, the higher the MERV rating (minimum efficiency reporting value), the better the furnace filter will remove smaller particles. Some of the most common household particulates are removed and captured by your home's HVAC filter: allergens, pollen, dust mite dust, mold, bacteria, and pet dander. Additionally, varying types of furnace filters will highlight different features, including odor removal, allergen removal, or mold spore control.
A variety of sizes are available for varying HVAC systems, and different brands offer a variety of air quality features that can be suitable for your home and health conditions.
About Our Furnace Filter Brands
We carry a variety of furnace filter brands in varying sizes from popular brands.
3M Filtrete furnace filters provide exceptional filtration of indoor air with high MPR ratings, as well as electrostatic filters that capture microns and Bluetooth-enabled filters that track filter performance and indoor air on your smartphone.
Proudly made in the USA, Nordic Pure furnace filters ensure quality indoor air. Nordic Pure works with eco-friendly filters to provide the best allergy solutions for customers who suffer with issues concerning dander, mold, or pollen.
We carry a variety of replacement furnace filters that will keep expensive HVAC systems running smoothly. Be sure to find one that fits your system. If you have any questions, please contact our product experts at 1-800-934-9194.
