How much do the air purifiers in your home cost?

Air purifiers are becoming increasingly popular with people in Australia’s major cities.But the cost of air purification has been steadily rising.Photo: Alex Ellinghausen The National Electricity Market Authority (NEMA) has been predicting that air purifier prices will reach $20 a kilowatt-hour by 2020.It has forecast that air quality standards will need to be met by …