How new cooling technologies could cut AC electricity demand
Summary
New cooling methods are being developed to reduce the amount of electricity used by air conditioning (AC) in the U.S. These methods aim to keep buildings cool without increasing the strain on power grids during hot days.Key Facts
- Air conditioning use is increasing due to hotter summers and higher demand in northern states.
- AC can cause about half of peak electricity demand on the hottest days in places like Texas.
- New cooling strategies include blocking heat with smart windows, reflective roofs, and energy storage.
- Passive cooling paints that reflect sunlight and radiate heat are being tested in Colorado.
- Some air conditioners use moisture-removing technology and energy storage to lower power use during peak hours.
- The best mix of cooling technologies depends on local climate and building types.
- These methods do not replace AC but aim to reduce how often and how hard it runs.
- Reducing electricity use for cooling helps avoid building more power plants and infrastructure.
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