Comparing air purifiers can become a daunting task. For over 30 years, I've been involved with air purifiers and have helped make recommendations for thousands of people. The information below is designed to shorten your learning curve to find the right air purifier for you.
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My introduction to an air purifiers with UV happened in 1968 when I was 12 years old. Because of severe asthma, allergies and immune system problems (I was sick a lot as a child) I had pursued all types of air purifiers looking for help with my problems. I already had a HEPA air purifier, a negative ionizer, and an electrostatic machine.
I was told then that Ultraviolet light (UV), if it is in the right frequency, has the ability to kill many germs, bacteria and some viruses. I knew that hospitals were using them,the idea of killing immune system threats like germs and viruses was something I definitely needed.
However it did not, and does not, replace a HEPA filters ability to remove particles in the air which carry many of the germs, bacteria and viruses we want to kill.
Where you see violet, ultraviolet rays exist. UV rays are further broken down into three types: UV-A, UV-B, and UV-C. In small amounts, humans can benefit from UV-A, followed by a little from UV-B, and no benefit from UV-C.
UV-A is present even on cloudy days and even in winter. But when it comes to UV for an air purifier it's only UV-B that matters.
Because of this UV-B is used in many hospitals to sterilize tools like scalpels. UV-B light can also help treat certain diseases like TB and psoriasis. In 1903, a Nobel Price was awarded to Niels Finsen for using UV-B to treat skin lesions caused by tuberculosis. A recent study also showed that 80% of those suffering from psoriasis improved after being exposed to UV light.
The Air Purifier in the video below explains UV and Tio2
The Link below shows our choice for the best combination of these technologies and price.