Global free cooling temperature (IMAGE) Cell Press Caption Researchers found that setting data centers at 41°C (105.8°F) can save up to 56% in cooling costs worldwide by relying on free-cooling, which uses ambient air to cool the water in air conditioning systems. Credit Yingbo Zhang and Shengwei Wang Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.