Using a Chiminea Indoors Chimineas can add warmth and ambience to your backyard. It can also be used for cooking and is more secure than a fire pit. Clay chimineas need a layer of sand at the bottom to stop cracks in the thermal structure due to abrupt temperature fluctuations. https://stovescanada99998.blogdanica.com/29789419/what-is-big-chiminea-and-why-is-everyone-talking-about-it