There are plenty of advantages of gas fridge for a cottage. However, the main effective which a gas fridge for a cottage is running even when the electricity is off.
A gas refrigerator is only cost effective when there is no access to electrical outlets. They are otherwise costly and are used mostly for travel trailers and RVs.
CFC gas is used for cooling refrigerator.
It is a solid
Methane
amonia
An electric or gas refrigerator was a relative rarity in 1930. They were quite expensive compared to the average wage. A new gas refrigerator cost about $150 in 1930s dollars.
Heat of the gas is lost as work done by the gas.
The refrigeration unit is sealed, it does not release any gas.
Mustard Gas WAS very effective.
Refrigerators can release freon.
fluroscent gas
The gas used in refrigerator for cooling are :- Ammonia used as a coolant and water, ammonia and hydrogen gas to create a continuous cycle for the ammonia.