Best Electrostatic Furnace Filters of 2026
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Electrostatic furnace filters are designed to trap dust, pollen, and other airborne particles in your home's heating and cooling system. These filters use an electrostatic charge to attract and capture particles, rather than relying on traditional mechanical filtration methods. They are more effective at trapping smaller particles and are reusable, making them a cost-effective alternative to disposable filters. Additionally, electrostatic furnace filters can improve indoor air quality and extend the lifespan of your HVAC system. They are available in various sizes and can be easily installed in most standard furnace filter slots.
At a Glance: Our Top Picks
Top 10 Electrostatic Furnace Filters
Filterbuy 16x20x1 Air Filter MERV 8 Dust Defense (4-Pack)
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.
Filtrete AC Furnace Air Filter, 4-Pack (MPR 1000)
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 20x25x1 Air Filter MPR 1000 MERV 11, 2-Pack
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.
Filtrete 20x25x1 Air Filter MPR 300 MERV 5, 6-Pack
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.
Filtrete AC Furnace Air Filter MERV 11 2-Pack
The Filtrete Furnace Filter offers exact dimensions slightly different from nominal size, ensuring a precise fit for your Honeywell and Space-Gard media air cleaners. This 2-pack is designed to provide year-long use, helping you keep your home's air fresh and clean. With a high MPR 1000 and MERV 11 rating, it captures twice as many tiny particles as standard filters, which means cleaner air for you and your family. The exclusive Filtrete 3-in-1 technology effectively traps dust, allergens, and other unwanted particles, allowing only clean air to flow through your system. This filter is a smart choice for maintaining a healthier home environment.
Filtrete 20x25x4 AC Air Filter
The Filtrete AC Air Filter is designed to enhance your home’s air quality. Its precise dimensions ensure a perfect fit in Honeywell and AprilAire systems. With its advanced 3-in-1 technology, this filter effectively captures and traps unwanted particles, allowing you to breathe cleaner air. Rated with a MPR of 1550 and MERV 12, it efficiently captures a significant portion of small airborne particles. For best results, remember to replace your filter at least once a year, ensuring your home remains a fresh and safe environment.
Filterbuy 20x25x4 Air Filter MERV 8 Dust Defense (2-Pack)
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.
Filtrete 20x25x1 AC Furnace Air Filter MPR 1500
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.
Filtrete 16x25x1 MPR 1900 Furnace Air Filter 2-Pack
The Filtrete MPR 1900 Filter is designed to help you create a cleaner and fresher home by capturing unwanted particles from your indoor air. This 2-pack includes pleated 1-inch filters that last about three months each, offering a convenient way to maintain good air quality. Unlike standard filters, these have precise dimensions to fit your system perfectly. Thanks to advanced 3-in-1 technology, the filter traps a variety of particles, allowing cleaner air to flow through your HVAC system without putting extra strain on it. This makes it easier for you to breathe better while keeping your heating and cooling system running smoothly.
Filtrete AC Furnace Air Filter
The Filtrete AC Furnace Air Filter has an actual filter size of 19.56 x 24.13 x 4.75 inches and is compatible with TrionAirBear furnaces calling for a 5" filter. With a MPR 1550 DP rating and MERV 12 rating, this filter captures and attracts microparticles such as pollen, pet dander, bacteria, and viruses. It is recommended to change your filter every 12 months for optimal performance and energy efficiency. The Filtrete Smart App allows users to create a change countdown and receive notifications when it's time to change the filter.
Frequently Asked Questions (FAQs)
1. Are electrostatic furnace filters better?
Electrostatic furnace filters are generally considered better than regular disposable air filters. They have higher MERV ratings, typically between 8-10, which means they are more effective at removing particles from the air. These filters are great at protecting your HVAC system from large debris and can improve indoor air quality.
2. What is the disadvantage of electrostatic air filter?
One disadvantage of electrostatic air filters is that they may struggle to filter larger pollutants like dust or mold spores. While these filters are effective at handling smaller particles, they may not be the best choice for individuals with respiratory issues.
3. How long do electrostatic furnace filters last?
The lifespan of electrostatic furnace filters depends on the type. Pleated filters should be replaced every 90 days, while washable filters can be cleaned, dried, and re-installed once a month. Washable filters are more eco-friendly and can last 5 to 10 years if properly maintained.
4. Can you vacuum an electrostatic air filter?
Yes, you can clean an electrostatic air filter by vacuuming it. It is a quick and easy method preferred by many. Alternatively, you can also use a water hose to clean the filter if you prefer.
5. Do electrostatic air filters really work?
Electrostatic air filters have a MERV rating between one and four, capturing less than 20% of dust particles. While they can help improve indoor air quality to some extent, filters with higher MERV ratings are generally more effective at capturing airborne particles.
During our electrostatic furnace filter research, we found 24 electrostatic furnace filter products and shortlisted 10 quality products. We collected and analyzed 2,186,859 customer reviews through our big data system to write the electrostatic furnace filters list. We found that most customers choose electrostatic furnace filters with an average price of $41.68.
The electrostatic furnace filters are available for purchase. We have researched hundreds of brands and picked the top brands of electrostatic furnace filters, including Filterbuy, Filtrete. The seller of top 1 product has received honest feedback from 12,510 consumers with an average rating of 4.7.
Howard Chester is an architect from New York who holds a master's degree in architectural design, his passions for interior design and home improvement contribute to his extensive knowledge of all things furniture and home goods. Howard Chester Specializes in various architectural and interior design projects. He often publishes articles related to decoration on key websites and interior design magazines.