How do I figure out what model is best for me?
In general, the area (volume, 9' ceilings are assumed) covered is listed with the product description. This is just a baseline estimate. If you have allergies, pets, or smokers in your home or office, you may actually need the next larger unit. For a 2000 sq. ft. home with pets, a Biozone 3000 would be suitable. If, additionally, members of the household smoke, the Biozone 4000 may be required.

• Can Biozone® Air Purifiers be run 24 hours a day?
• What kind of maintenance is involved on Biozone® Air Cleaners?
• Are there filters that need to be replaced?
• How expensive are the units to operate?
• Since Biozone® Air Purifiers do not rely on air filters, how do they clean the air?
• How effective are Biozone® Air Purifiers on tobacco or cigarette smoke?
• Will the unit remove smoke and other odors from clothing furniture?
• Do the units work to get rid of mold and mildew?
• Do these units produce nitric oxide?
• Are some people over-sensitive to ozone?
• How will a Biozone® Air Purifier work with other filtration or air cleaning devices I already use?
• Is there any research supporting the effectiveness of Biozone® Air Purifiers?
• How can I tell if the Biozone® Air Purifier is really working?
• How do I figure out what model is best for me?