Positioning fans to face out of windows can effectively cool rooms during heatwaves. Rather than circulating warm air, this method creates negative pressure, allowing stale air to be expelled. As the warm air is pushed out, cooler air from outside flows in, refreshing the room's atmosphere. This technique has gained popularity on TikTok, with users sharing their experiences and reactions. Experts explain the science behind this method, confirming its effectiveness in enhancing ventilation during high-temperature conditions.
"Positioning a fan to face out of an open window works like an exhaust fan. It creates negative pressure inside the room, which actively pushes the warm, stale air out."
"As this air is removed, cooler, fresher air from outside is drawn in to replace it. You're essentially creating a ventilation system."
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