What is the cost of freon on earth’s ability to radiate heat?
Even if the cooling cost is less power degree than heating, there’s still a cost, scaled by number and size of units.
Do enough of us have the discipline to only use the decadent, luxurious things for the outlying cases?
The substance you're talking about is already essentially banned in the developed world.
What is being used instead, and what are its potential impacts?
What happens to all the freon (and other chemicals banned in developed countries) after it is banned? Do we sell it like we did with DDT?