As Japan faces an impending long-term cold wave, households across the nation are readying themselves with various preparations and strategies. Given the country's distinct architectural style, homeowners often implement unique measures to keep their homes warm and energy efficient. This includes a mix of traditional and modern techniques, which serve not only to combat the freezing temperatures but also reduce their impact on the local environment and economy.

Most homes in Japan are built for the summer heat rather than winter cold, leading to unique challenges when a cold spell hits. People focus on energy efficiency, keeping in mind the high energy costs and their environmental impact. The approach to winterization is a mix of modern technology and age-old wisdom, reflecting Japan's fusion of the old and new.

Unlike the US or EU, where insulation and central heating are standard in most homes, Japanese homes often rely on alternative heating methods and prioritizing specific rooms. This can include space heaters, kotatsu (a table with a heater underneath), and heavy insulation drapes.