Air Changes per Hour Meaning for Air Purifier

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When you are buying an air purifier, you will come across the term Air changes per hour meaning the number of times the air in the room is exchanged with air from an air purifier, with filtered air. ACH means air changes per hour. There is no hidden meaning to it. When you switch on … Read more

Best Battery Operated Air Purifier Review

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Should you buy or not buy a battery operated air purifier? This depends on your needs. In another article, we looked at battery powered humidifiers. We saw their advantages and disadvantages. In yet another article, we looked at the best battery operated dehumidifiers. We saw that at times, you do not need a plugged in … Read more