Cooling mat is an energy-efficient but inconvenient alternative to AirCon + fan. Need to reduce the inconvenience. (Similar to electric cars.)
— ice crystal .. explained in https://product.pconline.com.cn/itbk/jd/xjd/1708/9740215.html and https://m.ehaier.com/seo/knowledge/detail/58064.html
Any ice-crystal based cooling device, such as air cooler, are much less convenient than A/C.
— dependency .. I feel the mat is a less severe dependency.
— limitation: after a few months, it would become ineffective. Those mats are probably designed to be disposable after a few months.
— https://www.thewarmingstore.com/chillow-pillow-original-chillow-cooling-device.html is a marketing article not a critical review
- reusable
- water-based, without ice crystals …
- refrigeration is optional; freeze forbidden
- water amount not too much or too little
- simple repairs at home