| A1 Air Filters: Offers a variety of residential and commercial air filtration units from firms like Austin Air, Blueair, and Zestron. |
| Air & Water Solutions, Inc.: Provides portable biological treatment systems for air, water, and soil. |
| AirFilterStore.com: Offers true HEPA air filters by Austin, Healthmate, C.A.R.E. 2000, and Amaircare. |
| AirShack.com: Features HEPA air purifiers and replacement filters from Hunter. Find tips on selecting the right model. |
| AirTesters.com: Features this IQAir dealer offering a broad range of air purifiers and testers. |
| Aller Air Industries: Manufactures and sells a wide range of HEPA and UV based metal construction air purifiers in multiple colors. |
| Alpine Home Air Products: Dealers of a residential air quality products, humidifiers, air cleaners and filters. |
| Berriman Associates: New York company offering air filters and air purifying devices for residential, commercial and industrial facilities with secure online purchasing facilities. |
| BestFilters.com: Provides a wide selection of air cleaners and purifiers. |
| Bionaire: Manufacturer of a wide range of air cleaners and humidifiers. Markets replacement parts and filters. |
| Bionic Products Party, Ltd.: Therapeutic ionizers for home and auto, from Australia. |
| BPA Air Quality Solutions: Offers air purification equipment for residential, commercial, industrial and manufacturing applications. Also features air testing equipment, cleanroom laser particle counters and ultra-violet (UV) sterilizers. |
| CaluTech Clear Air: Offers UV air cleaners that destroy bacteria. Provides information about killing bacteria associated with different diseases. |
| ClearFlite Air Purifiers: Features HEPA air purifiers from Air-O-Swiss, Allerair, Blueair, Austin Air, Friedrich, and Bioniare. |
| D&T HVAC: Specializing in replacement air filters for heating and cooling systems, purifiers, and humidifiers. |
| Dustless.Com: Offers information about an assortment of indoor air products including air filters and electrostatic air purifiers. |
| E.L. Foust Co.: Manufactures and markets a line of air purifiers for people with Multiple Chemical Sensitivity (MCS) and allergies. |
| Electrocorp Company: Read about negative ioniziers and carbon based odor controllers for indoor air problems. |
| Electrodepot: Manufacturer specializing in climate and humidity controllers. Includes dealer information in addition to direct ordering. |
| EverGreen Rooms by Hartford: Manufacturer of air and water purification products for home and hotels. |
| Filter Savings: Offers replacement HEPA air filters for furnace, air conditioner, humidifier, and air cleaner products. Name brands include Bionaire, Duracraft, Holmes, Honeywell, and Trion. |
| FiltersAmerica.Com: Offers replacement filters for a wide range of portable and whole-house air purifiers and humidifiers. |
| FiltersUSA.Com: Sells a range of whole-house and portable air cleaners and humidifiers as well as replacement filters and parts. Offers tips and a FAQ. |
| General Filters, Inc.: Manufactures humidifiers, thermostats, air cleaners, zone control systems, and energy recovery ventilators facilitating home automation. |
| Healthy Living By Choice Associates/: Sells Air Oasis and AirSource brands of air purifiers. |
| Hepalta Purified Air Inc.: Features this distributor of Amaircare and AllerAir, portable HEPA, as well as central system air cleaning systems. |
| HomeAirTreatment.com: Retailer of portable HEPA air purifiers and humidifiers. Offers technical details and research about the effects of dirty air. |
| InTech Marketing: Offers a line of air purifier models for most requirements as well as humidifiers and filtered ashtrays. |
| Mitsubishi Electric PlasmaPure: Provides information about an air purifier combining a HEPA filter with advanced plasma technology. |
| NewFilter.com: Features a selection of air purifier, humidifier and appliance replacement filters. |
| Optimair Limited: Provides a wide range of electrostatic air filters and portable air conditioning units to help make your office environment cleaner and more comfortable. |
| Pure Air Systems: Filtration and air cleaning equipment and replacement filters. |
| Sani-Shield International: Offers a range of air indoor air quality products including HEPA air filters and air fresheners. |
| Sylvane: Offers a number of brands of air purifiers, filters, and accessories. |
| Tepco Clean Air Specialists: Sells air purification systems as well as air, dust, and allergy filters for the home or business. |
| Z&M Enterprises: Offers a wide variety of portable air purifiers including Sun Pure, Honeywell, Panasonic, and Vornado. Also presents replacement filters. |
| Zeolite Depot: Offers zeolite, a safe, natural, and non-toxic mineral used in air purifiers. Eliminates odors, moisture, noxious fumes, mold, and mildew naturally. |
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