… well yes I sure hope these folks get a warmer building, sounds good so far…
… ok not ideal. The study chooses fast and hassle-free instead of physics. I wonder how much harder it would have been to furnish each of the 12 dwelling with an electric rug you can walk on… e.g.:
I get it that children, pets, stiletto heels, heavy furniture, heavy foot traffic, etc. must be factored in.
But.
Heat moves in three ways: convection, conduction, and [black body] radiation.
In a better world, the warming surface (the electric wallpaper) would be far better placed on the floor than the ceiling. Heat rises. All the warmest air is already at the top of the room. In Iceland, they put their [geothermal] heating system in the house floor:
https://www.infloor.com/why-infloor/project-showcase/geothermal-power/
