US EditionBuildings are turning to ‘ice batteries’ for sustainable air conditioning
Ice thermal storage cuts cooling energy use and emissions, saving Norton Audubon Hospital $278,000 in one year, with growing adoption in schools, hotels, and data centers.
- Trane Technologies has reported growing demand for ice thermal energy storage in U.S. buildings, which cool air without releasing planet-warming emissions.
- With rising temperatures and grid pressure, utilities and building operators seek load-shifting solutions as summer air-conditioning demand makes running the grid most expensive, especially in California.
- At night, systems freeze water into ice that thaws by day to cool buildings without compressors; manufacturers supply sites from the Beverly Hills Hotel to home units by Ice Energy.
- Facilities report ice batteries cut electricity use and lower grid strain, with Norton Audubon Hospital saving $278,000 in the first year and nearly $4 million since 2016.
- Department of Energy found data centers used more than 4% of U.S. electricity in 2023, possibly reaching 12% by 2028 with 30% to 40% for cooling.
39 Articles
39 Articles
Washington Top News
Buildings are turning to ‘ice batteries’ for sustainable air conditioning
Every night some 74,000 gallons (280,000 liters) of water are frozen at Norton Audubon Hospital in Louisville, Kentucky. The hospital used to get all of its air…
Associated Press News
Buildings are turning to 'ice batteries' for sustainable air conditioning
Buildings in the U.S. are turning to ice batteries for air conditioning — a technology that freezes water into ice at night when electricity is cheap and lets it thaw during the day to cool indoor spaces.
Buildings are turning to 'ice batteries' for sustainable air
Every night some 74,000 gallons (280,000 liters) of water are frozen at Norton Audubon Hospital in Louisville, Kentucky. The hospital used to get all of its air conditioning from a conventional system found in most U.S. buildings, but now 27 tanks of ice sustain a network of cold-water pipes keeping operating rooms at safe temperatures and patients comfortable. This type of thermal energy storage, also known as ice batteries, is being added to b…
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