Japan survey finds nearly 80% stressed by heat at home as scorching summer looms
TOKYO -- Almost 80% of respondents to a recent survey said that high summer temperatures cause them stress at home, as the Japan Meteorological Agency forecasts above-average heat nationwide in July and August.
What measures are effective for combatting the impact of Japan's increasingly extreme summer heat?
Home appliance maker Lixil Corp. conducted the survey in May among 3,600 homeowners aged in their 20s to their 70s. A total of 77.5% of respondents said that "the heat at home is stressful." Asked for specific reasons with multiple answers allowed, the most common response was "high electricity bills" at 65.3%, followed by "frequent or prolonged use of air conditioners" at 51.9% and "hot indoor rooms" at 44.9%.
The place in the home where people most feel the heat is the bedroom, which is used less during the daytime. Some 38.6% said their sleep was "disturbed almost every day," while 38.2% said "several days a week," highlighting the harmful impact of heat on a good night's rest.
One concern is "heatstroke at night" while sleeping. When buildings heat up during the day, indoor temperatures tend not to fall significantly even at night. The risk increases during "tropical" nights when minimum temperatures remain at or above 25 degrees Celsius.
Lixil notes that "devising ways to prevent indoor temperatures from rising during the day is effective." Heat flows in through door and window openings.
Measures such as installing double-pane windows or setting up exterior window shades can block the sun's heat, help suppress indoor temperature increases and improve air-conditioning efficiency.
Article source: https://mainichi.jp/english/articles/20260702/p2a/00m/0na/022000c