Answer Posted / bhanu mahesh

A ton of cooling capacity is the amount of cooling that
would be provided by melting a ton of ice. Thus, a central
air conditioning system that is rated as a 2-ton system
would provide the same cooling as melting two tons of ice
per day (24-hour period).

Ton vs BTU
A ton is equal to 12,000 BTUs. Thus, a 2-ton air
conditioner is equivalent to a 24,000 BTU air conditioner

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