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Health Guardian 700 – Announcement

Health Guardian 700—Announcement After 9 years of R&D Crusader Health Technologies is proud to release their second generation Health Guardian Air Purifiers. The model 700 free-standing unit available March 2012 and the 700-B built-in unit available third quarter 2013. Both units are effective at purifying the air in up to 2,400 sq. ft. or (21,000 … More

Why most purifiers don’t work

Why most purifiers don’t work Most air purifiers don’t work because they don’t capture enough pollution, they don’t deliver enough clean air, or they produce harmful pollution such as ozone. Ozone Generators: These units do not remove air pollution of any kind. However, they do produce Ozone, a very harmful pollutant. Unfortunately, the pleasant scent … More