Bionaire
Manufacturer of a wide range of air cleaners and humidifiers. Markets replacement parts and filters.

Dustless.Com
Offers information about an assortment of indoor air products including air filters and electrostatic air purifiers.

Sylvane
Offers a number of brands of air purifiers, filters, and accessories.

ClearFlite Air Purifiers
Features HEPA air purifiers from Air-O-Swiss, Allerair, Blueair, Austin Air, Friedrich, and Bioniare.

Pure Air Systems
Filtration and air cleaning equipment and replacement filters.

InTech Marketing
Offers a line of air purifier models for most requirements as well as humidifiers and filtered ashtrays.

Berriman Associates
New York company offering air filters and air purifying devices for residential, commercial and industrial facilities with secure online purchasing facilities.

AirShack.com
Features HEPA air purifiers and replacement filters from Hunter. Find tips on selecting the right model.

FiltersAmerica.Com
Offers replacement filters for a wide range of portable and whole-house air purifiers and humidifiers.

EverGreen Rooms by Hartford
Manufacturer of air and water purification products for home and hotels.

NewFilter.com
Features a selection of air purifier, humidifier and appliance replacement filters.

Hepalta Purified Air Inc.
Features this distributor of Amaircare and AllerAir, portable HEPA, as well as central system air cleaning systems.

E.L. Foust Co.
Manufactures and markets a line of air purifiers for people with Multiple Chemical Sensitivity (MCS) and allergies.

CaluTech Clear Air
Offers UV air cleaners that destroy bacteria. Provides information about killing bacteria associated with different diseases.

Air Care 1
Suppliers and manufacturers of air filtration systems and accessories in the UK.

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.

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.

Mitsubishi Electric PlasmaPure
Provides information about an air purifier combining a HEPA filter with advanced plasma technology.

Atmospheric Solutions Ltd.
UK company offers Nozone for the removal of ozone, which is a toxic gas, that is particularly harmful to asthmatics.

BestFilters.com
Provides a wide selection of air cleaners and purifiers.

Sani-Shield International
Offers a range of air indoor air quality products including HEPA air filters and air fresheners.

General Filters, Inc.
Manufactures humidifiers, thermostats, air cleaners, zone control systems, and energy recovery ventilators facilitating home automation.

AirFilterStore.com
Offers true HEPA air filters by Austin, Healthmate, C.A.R.E. 2000, and Amaircare.

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.

Tepco Clean Air Specialists
Sells air purification systems as well as air, dust, and allergy filters for the home or business.

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.

AirTesters.com
Features this IQAir dealer offering a broad range of air purifiers and testers.

Indoor Ecology Associates
Offers consulting as well as whole house and room air purifiers.

All-Kinds-of-Filters.com
Features this source for replacement filters and parts for air cleaners and humidifiers. Includes complete air cleaning systems.

A1 Air Filters
Offers a variety of residential and commercial air filtration units from firms like Austin Air, Blueair, and Zestron.

Sterilone, LLC
Offers an air purifier that utilizes heat to sterilize air.

Alpine Home Air Products
Dealers of a residential air quality products, humidifiers, air cleaners and filters.

The Midwinter Corporation
Specializes in air cleaners, for allergies, asthma, and chemical sensitivity by Austin Air and BlueAir. Offers warranty information and links.

Electrocorp Company
Read about negative ioniziers and carbon based odor controllers for indoor air problems.

HomeAirTreatment.com
Retailer of portable HEPA air purifiers and humidifiers. Offers technical details and research about the effects of dirty air.

Electrodepot
Distributes negative ion cleaners and air conditioning filters.

Aller Air Industries
Manufactures and sells a wide range of HEPA and UV based metal construction air purifiers in multiple colors.

Breathe Pure Air
Charleston, South Carolina: offers residential, commercial and industrial air purification equipment.

Air & Water Solutions, Inc.
Provides portable biological treatment systems for air, water, and soil.