Hepa Air purifiers: To buy or not to buy?
A greater focus on health and well-being is driving sales of products like home air purifiers, with many people thinking these devices will make indoor air cleaner. Sales of these products are forecast to see a compounded annual growth rate of around 10% in 2015-2020, according to a 2015 report published by TechSci Research. But health experts say the machines are mostly unnecessary unless a person has a lung condition like asthma or chronic obstructive pulmonary disease (COPD). They advise homeowners to...