Answer by
mlucas (515)

This question is a very easy question to answer. First a ton of cooling is equal to 12,000 BTU's. Normally all manufactures' model numbers give a clue to the answer. 1.5 tons is denoted by 18. 2 by 24. 2.5 by 30. 3 by 36. 3.5 by 42. 4 by 48 and 5 by 60.