Warmer clothes + portable radiators is the main combo. Aside from the kotatsu (low table with heater underneath), the Japanese also use hot water balloons, which are very energy efficient. -> solar.lowtechmagazine.com/2015/02/rest...
Restoring the Old Way of Warming: Heating People, not Places
Most modern heating systems are primarily based on the heating of air. This seems an obvious choice, but there are far worthier alternatives.
solar.lowtechmagazine.com
December 30, 2024 at 2:13 PM
Warmer clothes + portable radiators is the main combo. Aside from the kotatsu (low table with heater underneath), the Japanese also use hot water balloons, which are very energy efficient. -> solar.lowtechmagazine.com/2015/02/rest...