Best Furnace Filters for Air Conditioner of 2026

The Simply Air Filter is designed to fit most HVAC systems, providing effective dust, pet dander, and pollen filtration. With its advanced pleated technology, these filters ensure optimal airflow while capturing up to 90% of airborne particles, helping you maintain a cleaner indoor environment. You can enjoy hassle-free installation, allowing you to replace your filters easily and keep your air conditioning units running efficiently. Plus, made in the USA with recycled materials, this product not only supports local manufacturing but also guarantees quality you can trust.

Filterbuy Air Filter is a set of 16x20x1 replacement filters suitable for your furnace, air conditioner, heat pump, or HVAC system. The filters are made of MERV 8 synthetic media, which makes them comparable with MPR 600 & FPR 5. This feature enables the filters to capture up to 90% of airborne particles, such as dust and pollen, without affecting air flow. The electrostatically charged, pleated design captures more harmful particles and increases the lifespan of the product by three times that of fiberglass models. The industrial-grade beverage board frames with dual wire backings outperform the standard cardboard designs. All components of the Filterbuy Air Filter are made in the United States with recyclable materials.

The Filtrete AC Furnace Air Filter is designed with exclusive 3-in-1 technology to capture unwanted air particles and outperforms other 1 in. filters. With a MPR 1000 rating, it captures pollen, pet dander, smoke, bacteria, and viruses. For optimal performance, change the filter every 90 days to avoid slowing down air flow and wasting energy. Use the Filtrete Smart app to create a change countdown and receive reminders for filter replacement. Suitable for residential use only.

Filtrete Air Filter is a 2-pack MERV 11 filter that outperforms washable and non-electrostatic 3-month pleated 1 in. home air filters. It is designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. This filter attracts and captures particles such as lint, pollen, dust, pet dander, smoke, and smog. With a rating of 1000 MPR, the higher the MPR, the more microparticles this filter will capture from the air passing through it. It is the perfect filter for your furnace, air conditioner, or HVAC system.

The Filtrete 20x25x1 Air Filter MPR 300 MERV 5, Clean Living Basic Dust, 6-Pack is a pleated air filter that outperforms washable, non-electrostatic, and fiberglass filters for residential use. It features Filtrete Brand 3-in-1 technology to capture unwanted air particles, such as lint, dust, and dust mite debris. The filter attracts and captures large particles, and it has a MERV 5 rating. The higher the MPR, the more microparticles, such as pollen, smoke, and pet dander, the filter will capture. Optimal performance of your HVAC system requires changing the filter every 90 days to prevent slowing down air flow and wasting energy. The Filtrete Smart app allows you to create a change countdown using your phone.

The Aerostar 16x25x1 MERV 8 Pleated Air Filter comes in a pack of 6 and is designed to filter microscopic particles such as lint, dust mites, spores, and pollen. The 100% synthetic electrostatic media ensures high efficiency with low air flow resistance, and it's simple to install for a cost-effective step towards a healthier home environment. The filter is comparable with MPR 600 & FPR 5 and is manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive. For best results, it's recommended to change filters every 60 to 90 days, with increased frequency to 30 days during peak summer and winter months.

Filterbuy Air Filter is a pack of two 20x25x4 replacement filters designed for your HVAC system. The MERV 8 synthetic media is electrostatically charged and pleated, capturing up to 90% of airborne particles like dust and pollen without affecting the air flow. The high-quality construction of the filter extends its lifespan by three times that of fiberglass models, and the industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs. All components are made in the United States with recyclable materials. The Filterbuy Air Filter is a reliable and durable choice for keeping your home clean and comfortable.

Filterbuy 20x25x5 Air Filter MERV 8 Dust Defense (2-Pack) is a replacement for your furnace, air conditioner, heat pump or HVAC system. With MERV 8 synthetic media, it can capture 90% of airborne particles without impacting air flow, protecting homes from dust, pollen, and more. The electrostatically charged, pleated filters are 100% US made, capturing more harmful particles and lasting 3x longer than fiberglass models. The filters also have industrial-grade beverage board (recyclable) frames with dual wire backings outperforming standard cardboard designs.

Filtrete Air Filter is a 2-pack filter that outperforms washable, non-electrostatic, and fiberglass filters for your furnace, air conditioner, or HVAC system. It is designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. With a Microparticle Performance Rating of 1500, it attracts and captures microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses, as well as large particles, including lint, household dust, and pollen. The higher the MPR, the more microparticles, such as pollen, pet dander, smoke, bacteria, and viruses, your filter will capture from the air passing through it. It lasts up to 3 months and is 3 times better at small particle capture compared to non-electrostatic pleated filters for the capture of 0.3 to 1.0 micron particles.