Originally Posted by
invisible
Understood. Why gas/electric/oil/ceramic space heaters are not popular?
Gas and electricity are expensive. I've never seen an electric one that can warm a room well in winter. Touyu fan heater is comfy and not so expensive. Downside is that you've got to refill the tank (always at night it seems, outside in the cold), unless you have a built-in one connected to an outdoor large tank.