Several individuals are curious if it is safe to keep their air purifiers running all the time. In short, it is. There is no harm to leave your air purifier working non-stop.
Air purifiers are designed to be safe for continuous operation. Equipped with certain safety measures such as auto shut-offs and timers, they can work without any safety or effectiveness issues for a long duration.
But, keeping the air purifier on all the time isn't always required. Whether you need to keep it running all the time depends on the quality of your indoor air, the manufacturer's instructions and your personal comfort.
If you suffer from leave air purifier on 24/7 allergies or asthma, it might be helpful to have the air purifier running continuously. This will make sure your home's air stays clean and allergen-free all the time.
In case your home’s air is typically clean, you might not need to run your air purifier all the time. A few hours of operation each day could be enough.
Keeping your air purifier on 24/7 also has cost implications. While the operation cost of most air purifiers is quite small, keeping them on continuously will still add to your electricity bill.
To conclude, it is indeed safe to run your air purifier all day and night, you should assess your personal needs and situations before deciding to do so. Take into account your personal comfort, the air quality inside your home, and the manufacturer's instructions when making this decision.