The heat of fusion for water is 144 British Thermal Units (BtUs) per pound.

You probably generate 550 t0 650 BTUs per hour just sitting in your car unless
you are scared at which point it cann go to 2.500 BTUH. You would need a lot
of ice.

An air conditioner has to be limited, except in veery special laboratory
conditions. to some value above the freezing point of water.  Usually they
use about 38 Deg. F.  Otherwise the heat exchanger coil will freeze the
condensate on the coil fins and block the airflow.

The air conditioner that is great and very light weight is the thermal
electric heat pump.  They use them on nuclear subs because they are silent,
except for the fans. They do need considerable amounts of direct current.
The nukes can make the electricity easily.
You don't want to know how much they cost.

Hank Huddleston

 
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