Do the Windmill Purifiers need 20 inches of clearance?Updated 4 hours ago

That’s the "Gold Standard" for maximum efficiency, but it’s not a dealbreaker. While 20 inches of clearance helps with optimal airflow, your Windmill is plenty powerful enough to refresh your room even if it’s sitting a bit closer to the wall. Just try not to "sandwich" it between heavy furniture so it can still grab that air!