Investigation of whether elderly people can benefit from local cooling devices in warm environment

The benefits of local cooling devices are being cheap, energy-efficient, user-friendly, portable, and personalized. The study conducted confirmed the positive effects of three local cooling devices, including normal table fan, evaporative cooling devices, and air-cooled jacket, on the physiology and psychology of the elderly. The three local cooling devices depicted to be capability to reduce thermal discomfort for the elderly. Using devices in a 28°C/60% and 29°C/40% environment can return the elderly's thermal sensation to a neutral state, making them feel comfortable.