Keeping House Cool in Extreme Heat

Keeping House Cool in Extreme Heat

今注目を集めている Keeping House Cool in Extreme Heatについて、主要な情報を整理して公開しています。

Your biggest weapon against the heat is something you probably already own: curtains. And not just any curtains, but thick, light-blocking ones. Think of them as a thermal shield. When the sun assaults your windows, good curtains can reduce indoor heat gain by up to 33 percent.

Here’s the fun fact: the ancient Romans used retractable awnings called velaria to shade the Colosseum. They knew the power of blocking direct sunlight, and you can channel that same energy. During peak hours—usually between 10 a.m. and 4 p.m.—close every curtain, blind, and shade you own.

White or reflective backing on the fabric is worth its weight in gold. It literally bounces the sun’s rays away from your window. Your living room might look like a dimly lit speakeasy, but it will stay ten degrees cooler.

Reverse Your Ceiling Fan

If your ceiling fan is spinning counterclockwise, you’re doing it wrong for summer. Most fans have a tiny switch on the side. Flip it so the blades spin clockwise at a low speed. This creates a gentle updraft that pushes cool air up from the floor, where it’s trapped, and circulates it around the room.

This trick is a cultural staple in many hot-climate countries. In Japan, people use the uchiwa hand fan to move air strategically. Your ceiling fan is the power version of that tradition. It won’t lower the temperature, but the wind-chill effect makes you feel cooler instantly.

Pro tip: never run a fan in an empty room. Fans cool people, not spaces. You’re just wasting electricity and generating more heat from the motor.

中川 明日香
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中川 明日香

エンタメ・カルチャー業界の深掘り取材を得意とし、現場のリアルな声をお伝えします。