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HOUSEHOLD AIR COOLER CATEGORY
Symphony to foray into air-conditioner, BLDC fan, air-purifier segments- A Berkeley Lab study compared two Fresno homes for a year; the reflective tile roof ran 13.8°C cooler on a summer day, cut cooling electricity by 26%, and peak demand by 37%
- AT&T painted two Nevada telecom roofs white; roof surfaces cooled 35–40°F, reached 12°F below outdoor air, and two buildings saved about 0.5 kWh of electricity a day
- Only 23% of rural households use LPG exclusively, CEEW studies findMany rural households lack doorstep LPG delivery, facing refill cost and logistics issues. Only a fraction of rural homes use LPG exclusive...08 Sep, 2026, 09.07 AM IST
- India's clean air rankings are out: Lucknow, Rourkela & Kalinga Nagar emerge at the top; see which cities made the list & which landed at the bottomLucknow, Rourkela, and Kalinga Nagar received awards for their clean air initiatives. These cities were honored for their performance under...07 Sep, 2026, 10.22 PM IST
- In 1991, researchers coated a Merritt Island home’s green-gray shingle roof with reflective material; the shingles reached about 110°F after treatmentDark roofs tend to soak up heat from the sun, resulting in higher air conditioning demands and costs. Utilizing reflective roofing material...07 Sep, 2026, 01.10 PM IST
- In 1996, Florida researchers whitened 7 shops in a Cocoa strip mall; roof surfaces fell by as much as 70°F, cooling energy dropped 25.3%, and peak demand dropped 40.3%In an innovative Florida trial, it was found that white roofs significantly decreased heat levels and energy usage. Traditionally, unpainte...06 Sep, 2026, 12.30 PM IST
- Indian households shift spending towards discretionary goods, servicesHousehold spending shows a shift towards non-essential goods and services. Alcoholic beverages and tobacco spending saw significant growth,...05 Sep, 2026, 02.31 PM IST
- Xiaomi India steps up appliance push, next large category still under wrapsInitially focusing on air purifiers, Xiaomi India is planning to launch more products in India this August to mid-September as it builds a ...04 Sep, 2026, 03.41 PM IST
- Prineville built a 120-acre wetland instead of a new wastewater plant; the Oregon system cost $7.7 million and saved the city $54 million versus conventional treatmentPrineville, Oregon, built a wetland wastewater system after population growth strained its capacity. This innovative approach cost $7.7 mil...04 Sep, 2026, 02.40 PM IST
- In 2018, a University of Hawaii study compared green and white roofs in Honolulu; the green roof was reported to have lower peak temperatures at the surface and nearby airA University of Hawaii graduate student tested green roofs against white ones. The green roof proved significantly cooler than the adjacent...04 Sep, 2026, 02.00 PM IST
- In 2007, Oak Ridge built a roof with phase-change material between foil layers; attic temperatures fell about 22°F, with utility savings estimated at 8%Developed by Oak Ridge National Laboratory, innovative attic technology utilizing phase change materials has proven to lower attic temperat...04 Sep, 2026, 01.00 PM IST
- Delhi weather: IMD issues Yellow Alert, rain likely on Friday and SaturdayDelhi is set to experience a yellow alert as rain is forecasted for Friday and Saturday. This much-needed precipitation will offer a reprie...03 Sep, 2026, 09.53 PM IST
- 15-year-old builds flashlight powered by body heat: How her hollow aluminium tube generated electricity to keep an LED lit for more than 20 minutesA 15-year-old Canadian student built a battery-free flashlight that uses the temperature difference between a warm human palm and cooler ai...03 Sep, 2026, 01.16 PM IST
- In 2024, Stanford-linked researchers redesigned radiative cooling for vertical walls; the emitter ran 2.5°C below ambient and 8.9°C cooler than white paintA team of researchers has unveiled a groundbreaking material designed to cool building walls effectively. This revolutionary emitter has th...02 Sep, 2026, 03.40 PM IST
- In 2025, Monash researchers developed a self-adaptive microporous ceramic; daytime cooling reached 19.5°C below ambient while nighttime overcooling was limited to 3.3°CScientists have unveiled an innovative ceramic designed for passive radiative cooling applications. This advanced material efficiently lowe...02 Sep, 2026, 02.40 PM IST
- In 2021, Berkeley Lab made a roof coating that switches at 67°C. Today, it beats existing coatings in 12 of 15 US climate zones, cutting household electricity use 10%Installing TARC could help the average U.S. household reduce electricity consumption by up to 10 percent annually. Another advantage of TAR...01 Sep, 2026, 08.31 PM IST
- City University of Hong Kong built a radiative-cooling ceramic tile reflecting 99.6% of sunlight; field tests found it about 5°C cooler than standard tilesResearchers developed a new ceramic tile inspired by beetles. This tile reflects 99.6% of sunlight and releases absorbed heat effectively. ...01 Sep, 2026, 06.50 PM IST
- Notre Dame engineers tested a clear window coating that filters solar heat; model interiors stayed up to 7.2°C cooler without electricityInnovators have developed a cutting-edge transparent coating that effectively blocks solar heat while still allowing natural light to perme...30 Aug, 2026, 03.20 PM IST
- Scientists tested reflective pavement through an Australian summer, and the road surface stayed cooler, but midday radiant heat increased above itA western Sydney trial revealed reflective roads cool surfaces but raise pedestrian temperatures. This study tracked the trade-off over a y...27 Aug, 2026, 01.10 PM IST
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