Air quality is a big deal these days. We have more pollution, more allergies, and more dust in the air that can make the air bad. So, it’s important to make sure the air in your house, office, or wherever you are is clean. As far as I know, people invented HEPA filters in the United States. We have a big market for them here, too. HEPA filters are really good at getting rid of tiny things in the air. They can take out at least 99.97% of stuff that’s 0.3 microns big. That’s things like bacteria and a lot of viruses.
HEPA Filter Main Applications in the USA
I looked at a bunch of stuff and figured out some things about how people use HEPA filters in the United States:
- Healthcare Facilities: In the operating room or the ICU at the hospital, they use HEPA filters to get rid of tiny stuff and germs so everything is clean.
- Homes and Residential Spaces: At home, you can use a HEPA filter in an air purifier to get rid of stuff like pollen, dust mites, and pet hair.
- Commercial Buildings: In offices and stores, they use HEPA filters to stop diseases from spreading and keep the air clean.
- Aerospace: On airplanes, they use HEPA filters to make sure the air in the cabin is clean so you don’t breathe in anything bad.
- Manufacturing Facilities: In places where they make really important stuff, like medicine and electronics, they have to use HEPA filters to get rid of even the tiniest things that could mess up what they’re making.
I’ve been looking at the air filter market in the United States. We have a lot of really good air filter companies here, so I made a list of the ten best HEPA filter companies in the United States.
1. KOINFILTER
Location: Suzhou, Jiangsu, China
Company type: Manufacturer
Year founded: 2006
The number of employees: 160
Main product:
- HEPA Filters: From industry to commercial and home appliances, KOINfilter’s HEPA filter is all covered.
- Cartridge Filters: These are used in power plants, trucks, manufacturing, pools, etc.
- Other Air Filters: Activated carbon filters, bag filters, pleated filters, high-temperature filters, and compact filters are used in various settings.
Market focus:
- Industrial and commercial air filtration
- Air purifier filter and custom air filter solutions
- Cleanroom, pharmaceutical, and surface processing air filter solutions
KOINfilter
KOIN’s significant market impact led to our recognition on the US list. Our solid reputation and decade-long experience are the pillars supporting our success. While being the best translates into millions in sales, we believe that superior product quality, robust R&D capabilities, and exceptional service are equally vital.
We’re doing our best in every order, but we sell stuff all over the world. We always do a good job and make sure our customers get the best air filters. That’s why people like us.
2. NuAire, Inc
Location: Plymouth, Minnesota, USA
Company type: Manufacturer
Year founded: 1971
The number of employees: Hundreds to a thousand
Main product:
- HEPA Filters: These are used in environments that need to be really clean, like biological safety cabinets and laminar airflow hoods, to protect both the stuff you’re working on.
- Biological safety cabinets are special boxes used in labs to keep bad stuff from getting out.
- Laminar air flow equipment: Laminar air flow stuff makes the air really clean by blowing it in one direction.
Market focus:
- Research and Academic Laboratories
- Healthcare and Pharmaceutical Industries
- Biotechnology
To some extent, industries like healthcare, biopharmaceuticals, and certain research labs need the best HEPA filters you can get. NuAire makes great HEPA filters for these industries for a couple of reasons: They also make biological safety cabinets and laminar flow hoods that are used in medical, pharmaceutical, and similar applications. This means that their products have to be made to the highest standards, whether it’s the materials they use, how they make them, or how they test them.
3. AAF (American Air Filter)
Location: Louisville, Kentucky, USA
Company type: Manufacturer
Year founded: 1921
The number of employees: Over 3,000 globally
Main product:
- AstroCel® HEPA and ULPA Filters: High-efficiency filters designed for critical environments, capturing ultrafine particles.
- MEGAcel™ Filters: Featuring advanced media, these filters offer high performance with a lower pressure drop.
- VariCel® and VariCel® VXL: High-efficiency extended surface filters designed for various applications, from commercial buildings to industrial facilities.
Market focus:
- Commercial and industrial air filtration
- Solutions for critical environments like cleanrooms and healthcare facilities
- HVAC systems and air handling solutions
AAF has been making air filters for a hundred years, which is a long time. They’ve had to deal with a lot of stuff to be around that long. Now, they’re one of the biggest air filter companies in the world. Everybody knows their air conditioning systems and their air filters. I found out they sell stuff all over the world.
4. Camfil
Location: Riverdale, New Jersey, USA (US Headquarters)
Company type: Manufacturer
Year founded: 1963 (Globally, with origins in Sweden)
The number of employees: Over 4,800 globally
Main product:
- Absolute™ V HEPA Filters: Designed for maximum efficiency in demanding environments.
- CityCarb: Dual-action molecular and particulate filters designed for urban settings.
Market focus:
- Commercial buildings and offices
- Healthcare facilities and pharmaceuticals
- Food and beverage industry
- Data centers
Over the decades, Camfil has grown from a small Swedish company to a global leader in the air filtration industry. Their presence in the U.S. market is marked by innovations tailored to U.S. industry and consumers’ unique needs. Camfil has proven excellence and innovation for businesses and individuals looking for the gold standard in air filtration.
What impresses me is their innovation in production equipment, which makes their products higher quality and perform better. Many users purchase their high temperature-resistant filters just for the superior performance.
5. Koch Filter
Location: Louisville, Kentucky, USA
Company type: Manufacturer
Year founded: 1966
The number of employees: Over 800
Main product:
- DuraMAX® 4vS-16: A high-efficiency, extended surface, multi-pocket filter designed for various applications.
- Multi-Pleat™ Series: A series of pleated filters that capture a wide range of particles.
- BioMAX HEPA Filters: High-efficiency particulate air filters designed for critical applications.
Market focus:
- Commercial and residential HVAC systems
- Industrial and manufacturing facilities
- Specialized environments like cleanrooms and healthcare facilities
Koch Filter’s products cover almost all filters needed for industrial filtration, from panel filters to Hepa filters, from carbon filters to cartridge filters; they can produce them all. In addition, they also have air cleaners and other products to meet the needs of commercial or office environments. They are focusing more on the air filter itself, which reminds me of many mid-sized filter manufacturers that offer an alternative, especially some standard-sized air filters.
6. Purafil
Location: Doraville, Georgia, USA
Company type: Manufacturer
Year founded: 1969
The number of employees: Hundreds globally
Main product:
- PuraWard HEPA: A HEPA filter embedded with copper and silver ions for antimicrobial properties.
- PuraGrid: A high-capacity, grid-designed filter for various applications.
- Purafilter: Combines particulate and gas-phase filtration for comprehensive air purification.
Market focus:
- Commercial buildings and public spaces
- Data centers and electronic facilities
- Healthcare and life sciences
Purafil started in 1969 with the idea of doing air filters differently. They add things to regular filter materials to make them better at filtering out certain things like viruses, bacteria, and other stuff you don’t want in the air. This unique process has created a whole new kind of air filter, especially for certain applications.
This also gave me a lot of thinking. Air Filters made of composite filter materials may represent a direction for future filter development. It does not just filter particles or gases but can filter harmful substances in specific environments. This is undoubtedly an advancement in filtration technology.
7. Pall Corporation
Location: Port Washington, New York, USA
Company type: Manufacturer
Year founded: 1946
The number of employees: Over 10,000 globally
Main product:
- Ultipor® N66 HEPA Filters: Renowned for their high performance in demanding environments.
- BioPharm Series: HEPA filters explicitly designed for the biopharmaceutical industry.
- Aerasafe™: High-efficiency air filters for safety cabinets and clean benches.
Market focus:
- Biopharmaceuticals and life sciences
- Food and beverage processing
- Microelectronics and semiconductor manufacturing
Pall Corporation is good at solving hard problems with filters. They make filters that separate stuff, get rid of stuff, and clean stuff. A lot of their filters are used in the medical field, in planes, in pharmacy companies, and in other places where the air has to be really good. Because these products are so sensitive to dirty air, their filters must be really good.
I see there may be other manufacturers in the market who can make similar products, but only some of them. PALL’s product range is wider, and its filtration solutions are more prominent.
8. Tri-Dim Filter Corporation
Location: Louisa, Virginia, USA
Company type: Manufacturer
Year founded: 1968
The number of employees: Over 500
Main product:
- Tri-Pure HEPA Filters: Designed for maximum efficiency in various applications.
- Tri-Cell ASHRAE Filters: Extended surface filters for commercial and industrial applications.
- Tri-Pleat™ Series: Pleated filters designed for optimal particulate capture.
Market focus:
- Commercial and industrial air filtration
- Healthcare facilities and hospitals
- Educational institutions
Tri-Dim’s products have a different concept. Their air filter materials have multiple order levels, from loose to tight. The advantages are large dust-holding capacity, high efficiency, and long service life. This also reduces the number of filter changes and reduces equipment maintenance costs. Such products are very popular with users.
The founder of the company, who came up with this idea 40 years ago and succeeded, achieved his goal. I deeply respect his forward thinking and deep understanding of the filtration industry.
9. Donaldson
Location: Bloomington, MN, USA
Company type: Manufacturer
Year founded: 1915
The number of employees: 11700 worldwide
Main product:
- HEPA Filters: High-capacity filters designed for optimal particle capture.
- Air intake Filter: Designed for compressor or engine applications.
Market focus:
- Energy and power generation
- Industrial manufacturing and processing
- Automotive and medical
This is another air filter manufacturer with more than 100 years of history in the filter industry, which is enough to prove that its products have always been very popular in the market. I put them on this list not only because of their history but also because of the shape of their filters. Most of their HEPA filters are conical or cylindrical. In other words, they are experts in cylindrical HEPA filters and a leader.
What shocks me is that they have more than 100 laboratories used to develop or verify their technologies and ideas. This proves that strong innovation and technology drive will keep the company in a leading position.
10. Smith Filter Corporation
Location: Moline, Illinois, USA
Company type: Manufacturer
Year founded: 1939
The number of employees: Hundreds across the USA
Main product:
- HEPA Filters: They are used in industrial manufacturing.
- Permanent Air Filters: Designed for paint booth and oil mist applications.
- Disposable Air Filters: Pleated and glass fiber filters for HVAC filtration needs.
Market focus:
- Commercial and residential HVAC systems
- Industrial manufacturing and production
- Specialty environments like food production and surface treatment
Smith is a family business founded by Orbin Smith and his son in 1939. They first produced metal mesh filters. After decades of development, they have manufactured various filtration products, including HEPA filters. The product application range has expanded from filtering oil mist and paint mist to industrial production, clean environment, household HVAC, and other filtration fields.
From what I understand, their metal mesh filters perform extremely well, so they have a large market share in oil mist filtration. They currently have 2 factories, and the company has been in operation for 80 years and will continue to be in operation.
Conclusion
There are a lot of different HEPA filters, and if you know what you need, you can find the right company to buy them from. Here’s a quick guide to help you figure out which company is the best one for you:
- Home and Residential Purification: If you want a good HEPA filter for your house, AAF and KOINfilter make filters for houses that will get rid of stuff in your house that makes the air bad.
- Industrial and Manufacturing Needs: If you need really clean air for your factory or whatever, Camfil and KOINfilter are good companies to buy filters from. They make filters that are always good and that will remove a lot of pollution in the air.
- Specialized Environments (Laboratories, Clean Rooms): If you need a good HEPA filter for your lab or clean room, Pall Corporation, Nuaire, and KOINfilter make filters that work really well.
- Commercial Buildings and Public Spaces: If you want to make the air in your office or store or whatever really good, AAF (American Air Filters), Smith Filter Corporation, and Tri-Dim Filter Corporation are good companies to buy filters from.
- Innovative Air Filtration Solutions: Purafil and Donaldson.
- Healthcare and Hospitals: Nuaire, Camfil, Purafil, and KOINfilter.
If you need filters for many different purposes, from factories to your house, KOINfilter is a good company to buy filters from. We know a lot about filters and have done a lot of different projects, so we can help you make the right filter for whatever you need.
