While resistive heating was state of the art for years, and you might as well do some computation with the electricity before turning into heat, we can now make

While resistive heating was state of the art for years, and you might as well do some computation with the electricity before turning into heat, we can now make systems that are far more efficient ("200%" and up) by moving heat instead of generating it: https://en.wikipedia.org/wiki/Heat_pump https://en.wikipedia.org/wiki/Heat_pump