A lot of people are curious if it is safe to have an air purifier on all day and night. To put it simply, yes. There is no harm to keep your air purifier running continuously.
These appliances are constructed to run safely throughout the day and night. Equipped with safety features including automatic shut-off features and timers, these appliances can operate without any safety or effectiveness issues for a long duration.
But, having the air purifier working day in and day out isn't always required. The necessity for continual operation depends on the conditions of the air in your home, the advice of the manufacturer and your own comfort level.
If allergies or asthma are a problem for you, it could be advantageous to have the air purifier running continuously. This way, you can ensure that your home's air remains pure and without allergens constantly.
However, if the air in your home is generally clean, it may not be necessary to have the air purifier running 24/7. You could instead have it run for few hours each day.
Keeping leave air purifier on 24/7 your air purifier on 24/7 also has cost implications. Although most air purifiers have low operating costs, they will nonetheless add to your electricity bill if operated continuously.
In conclusion, 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. Consult the manufacturer's guidelines and consider your indoor air quality and personal comfort when making your decision.