Air purifiers need to placed in certain spots otherwise they don’t run as well. What are those spots? Where do you place an air purifier? The best tips are to place it where there’s good airflow, remove anything blocking that airflow, close all room exits, place it near the source of air pollutants, place it off the ground (unless it’s big), keep it away from some electronics, keep it away from moisture and humidity, and move it around every so often.
How can you most improve the quality of your indoor air? What about running an air purifier and leaving the windows open at the same time? Does that work? This is the air purifier open window question. While you can leave the windows open while running an air purifier, it’s not recommended as it reduces the effectiveness of the air purifier.