Air ventilation vs. air filtration🤔❓ The cold season is just around the corner, germs of all kinds are buzzing around in the heated rooms – ventilating the room seems appropriate, because air purifiers consume far too much energy. Wrong!❌ In the current situation, air purifiers may at first glance appear to be energy guzzlers compared to ventilation. In fact, when using an air purifier, significantly less energy is required than is necessary when warmed air goes out the window and cold fresh ai