What I think would be great idea or home or car for cooling is the technology of the absorption refrigerator/freezer. Like they use in campers. It runs off an electric heating element, or off propane. Uses heat to create cold. If you could concentrate the heat to the boiler tank, it would be like free cooling. The hotter the sun beats down, the cooler it would get inside. Maybe it could be adapted to use engine heat too.
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Winter daily driver, parked most days right now
Summer daily driver
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