|
The military designed the first HEPA filter in the 1940s for use in the Manhattan Project, when safety from free-floating nuclear material was a primary concern.... Friedrich... air purifiers are known for their relative quietness, air-cleaning efficacy, and energy efficiency.
... Indirect ozone generators are part and parcel with ionic air purification systems. [...] That's why human health advocacy organizations worldwide have recommended a maximum outdoor ozone exposure of 50 to 80 ppb (parts per billion. ... A whole house air purifier will take care of the majority of your living space. [...] If one single air purifier unit is not controlling your dust, dander, and pollen issue, however, you may need to look into whole house air purifiers. ... You can spend upwards of $1600 for the best air purifiers known to man, or you can spend as little as $70 for a good car unit. [...] Some operate by drawing in air via a fan, cleaning the air, and re-releasing it. ... It is difficult to eliminate all the air pollutants but air purifiers can clean the air to some extent. [...] HEPA air purifier and Multi-Tech Ionic are at the most popular models of this air purifier series. ... Air purifiers work by drawing these contaminants (pollutants, particles, and pollen) from within the air that we are breathing. [...] Then the air will pass through another filter that is composed of many tightly woven fibers. ... That is due to the levels of humidity that are created in closed spaces, which support growth of bacteria and intensify the existing pollutants. [...] Outdoor air isn't completely clean; it contains many pollutants as well. ... If you have tried all these and didn't find adequate relief, then it may be better for you to think about using an air filter. [...] Controlling the pollution and ventilation that can cause allergies is more important; there are arguments on whether filters can give relief from asthma in a house that is clean and well ventilated. ... To make your home safer from these unwelcome guests, vacuum and dust thoroughly, weekly, with a vacuum that filters dust and does not allow it back into the air. [...] At least once a quarter, clean drip pans to prevent refrigerator fan from blowing mold spores into the air. ... For example, some larger air cleaners can filter the living space of an entire floor level in your home. [...] When you get an air cleaner, find out how to change the filter and how often this should be done.
|