In alt.home.repair, on Thu, 1 Aug 2019 22:03:16 -0400, Ed Pawlowski
wrote:

Winter is not far off and this will make it much more tolerable.
Everyone should have one.

https://imgur.com/gallery/KLz1BqH

Wow. I don't know how he didn't foresee the problem of sitting right on
the coils. And it has a 220V plug!