air conditioners are sold /specified in tons because the heat related to melt one ton of ice is taken as standard capacity.
A "1 Ton" air conditioner is equal to a "12,000 BTU" rated air conditioner.
6000
maybe a a million air returns
3500
60,000 Btu's 12,000 Btu's = 1 ton
It is 4 ton.
12000 per hour
5280 maximum
3413 btu per kW.
5 Ton
Yes, a 4.5 ton air conditioner would be the minimum size for 2000 square feet.
YES of course a 5 ton air conditioner can cool a commercial kitchen provided it is of a renowned and a good company!