Because all cooling (air conditioning) works by moving heat from point A to point B. Most heating works by directly generating heat, via electric resistance or

Because all cooling (air conditioning) works by moving heat from point A to point B. Most heating works by directly generating heat, via electric resistance or burning a fuel source. (Heat pumps are the exception.) More details here if you'd like to jump into more details: https://iopscience.iop.org/article/10.1088/1748-9326/8/1/014050 https://iopscience.iop.org/article/10.1088/1748-9326/8/1/014... > results indicate that climate control in Minneapolis is about 3.5 times as energy demanding as in Miami