Surviving Heat Waves: Fans, Window Films, and Power-Saving AC Settings
Last July, I walked into my apartment after a weekend trip and was hit by what felt like an actual wall of heat. The sun had been beating directly onto my south-facing windows for three days straight, and the indoor temperature gauge read 34°C. My first instinct was to crank the AC to its coldest setting, but then I glanced at last month's electricity bill—over ₩180,000—and reconsidered. That moment made me realize I needed a better strategy than just "turn everything on and hope for the best." Heat waves in Korea have been getting longer and more intense, especially in cities where concrete and asphalt trap heat overnight. With progressive electricity pricing (where your rate jumps dramatically once you pass certain usage thresholds), keeping cool without breaking the bank requires some actual planning. What surprised me most, though, was how much difference small changes made—things that had nothing to do with running the AC 24/7. Table of Contents ...