Using a Chiminea Indoors Chiminesas add heat and ambiance to a backyard. It can also be used to cook and is safer than an open fire pit. Clay chimineas need an additional layer of sand at the base to prevent cracks in the thermal structure due to sudden temperature changes. https://stove-uk79123.humor-blog.com/29201893/10-healthy-habits-for-a-healthy-big-chiminea