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DW Technology
The physics trick that could halve energy use of AC
Researchers at Saarland University have innovated an energy-efficient cooling system based on the elastocaloric effect, where nickel-titanium wires facilitate cooling through mechanical deformation. Early prototypes indicate that this technology could use only half the electricity of conventional air conditioning systems. If scaled successfully, this advancement has the potential to significantly reduce energy consumption across cooling appliances, promoting sustainability.
MonitorConfidence: HighMid term horizon
Published 9 Aug 2026, 12:40 UTC1 min read
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Summary
TL;DR
- New cooling technology developed by Saarland University
- Based on the elastocaloric effect of nickel-titanium wires
- Could potentially halve electricity usage of air conditioners
- Lower energy consumption benefits the environment
- Research indicates broader applications in refrigerators and heat pumps
Interesting facts
- The elastocaloric effect is not widely used in commercial cooling systems today.
- This technology could lead to significant cost savings on energy bills for consumers.
- The research aligns with global sustainability efforts to reduce energy consumption.