
Air Purifier Guide
Can an Air Purifier Be Plugged into an Extension Cord? A Safety Guide
5 min
18 articles







Estimate the yearly electricity cost of running an air purifier all day with our calculator, plus practical tips to cut energy use without sacrificing indoor air quality.



Learn when to run your air purifier on high or low settings, how speed affects cleaning power, noise, and energy use, and practical tips for homes.



Learn how much electricity air purifiers consume, compare running vs standby power, estimate annual costs, and get practical tips to minimize energy use without sacrificing air quality.



Learn whether it is safe to run an air purifier when you are away, including safety features, energy use, timers, ozone concerns, and unplugging guidance.
