Air Purifier Vs Open Window

If you can open your windows for a period of time.

Air purifier vs open window.

We talked to experts to get the best advice on what air purifiers can and can t do. With only 1 window open there is some external air entering the room but the purifier can at least work with marginal efficiency. Create a stronger cross draft by opening windows on opposite sides of the room if possible. Can they protect against covid 19 allergens or mold.

Airflow with 1 vs 2 or more windows open can be dramatically different. Keep your windows open to prevent locking irritants into rooms when air purifiers aren t running. Cigarette smoke or cooking emissions. Outside of buying an air purifier there are some good home habits that you can adopt to help reduce the amount of air pollution in your space.

Your air purifier is at peak performance with the windows closed. However how effective the air purifier is depends on both the purifier itself and the pollution level of the air. The data shows that it s clearly better to close the windows with running your air purifier. An open window on the other side of the room can help ions move through the air a little further before they dissipate.

It will still work if the windows are open. With the window open the cannon air purifier managed a 60 reduction red lines. However two or more open windows will make the purifier have no effect. With the window closed the cannon reduced particulate by an average of 90 after 20 minutes blue lines.

A window open on the opposite side of the house will actually help the air to circulate better and move through your air purifier easier. With 2 or more windows open often the air purifier will have almost no effect. There s absolutely no problem with running an air purifier with the window open. One window is ok.

There are a couple of caveats to this though. If your home is located near to major traffic roads industries then close the window while running air purifier and if located far way from traffic i would recommend to open window while air purifier is on. With one open window the purifier can work with marginal efficiency because the air disturbance is minimal. Most air purifiers can remove at least 99 97 of particles as small as 0 3.

Some air conditioners like window mounted ac units exhaust hot air outside during the process of cooling it but the outdoor air is never blown back into a room.