Hepa filters are the most effective air cleaning systems sold for home use. They are used in hospitals and doctors recommend them above other air filtration systems for patients with asthma or severe allergies. They arent energy efficient for whole house filtration systems due to the amount of energy needed to run them. For this reason, most are intended to treat one space. You may need to purchase one for the bedroom and another for the living area.
Hepa is an acronym fo…