I don't like posting reddit stuff but this is a winter cat shelter. I like the idea. I am all about helping cats/dogs/etc that don't have a forever home. Archive: https://archive.today/WrpRE From the post: >>Keeps 70f inside down to -27f outside. Multiple temperature sensors, light sensors, motion sensors, humidity and pressure, multiple heating elements, in floor heating, HEPA carbon air filter, thermal vision (mlx90640 array video overlay), night vision cameras, automatic door, yada yada it does a lot.