I always lowered my shutters all the way down during heatwaves: the day I left a small gap open, I understood what the dark slats had been sending straight into my windows
For years, closing shutters completely seemed like the obvious way to beat the heat. But one forgotten gap revealed a counterintuitive truth: sealed shutters create trapped pockets of superheated air that radiate directly into your home. A simple thermometer and strategic ventilation can transform your summer comfort without air conditioning.