The smallest air conditioner you can find would be appropriate.You'll probably have to cut it on and off too.
A small room is about 5,000 BTUs. Most people don't have a room that would require more than 10,000 BTUs.
about 12,000
1 kW is approximately 3400 BTU/hr of cooling
60,000 Btu's 12,000 Btu's = 1 ton
its usually about 20 btu's per square foot
It depends on the climate and how well your home is insulated.A good rule of thumb is about 20 BTUs per square foot.
1 standard cubic foot of natural gas gives about 1030 BTU
30000 btus for every 400 square ft
How many Btus if 1 cubic foot of Liquid Petroleum
Normally 12000 BTUs is the equivalent of one ton, a window unit good to accommodate a bedroom 12 ft x 12 ft x 8ft high.
91,333 BTUs in 1 gallon of propane
4800 BTUs will 150 square feet.