We got a "tall" dining table height Kotatsu with heater and blanket. It's incredibly warm and comfortable in deep winter. The pets love it too! Main issue is

We got a "tall" dining table height Kotatsu with heater and blanket. It's incredibly warm and comfortable in deep winter. The pets love it too! Main issue is that because it's dining table height, all the standard blankets and futons are too short/small. Highly recommend it though, it's great. It just needed a voltage converter.