As the debate around climate change heats up the International Energy Agency warns air conditioning is ‘one of the most critical blind spots in the energy debate.’ TechTribe Oxford writes about how Oxford Nanosystems is aiming to make its nanospiked coatings, which dramatically increase the efficiency of heat exchangers, part of a global solution to the challenge of energy use in cooling systems [https://oxford.techtribe.co/cool-technology-developed-in-oxfordshire-could-be-part-of-global-solution-to-air-conditioning-challenge/].