2.5 Ton Ductless Mini split air conditioners feature a 30000 BTU Capacity which can cool or heat a total of 1250 square feet.  30,000 BTU capacity is the largest mini split size in the general range category.  All the below 2.5 ton ductless systems come pre-charged with either R410 or R22 freon; all include a digital remote and installation kit but they differ in features, price, efficiency ratings, and number of zones.