Multiple small units will cover the entire home more adequately than a single large unit no matter how many floors the home has. Adequate airflow is very important in the performance of the technology. More airflow will allow the positive and negative ions created by the technology to produce a greater coverage in your home.
Modified on: Mon, 16 Jan, 2017 at 4:47 PM
Did you find it helpful?Send feedback
Sorry we couldn't be helpful. Help us improve this article with your feedback.