3 ton vs 4 ton AC is one of the common sizing decisions for mid-size homes. It feels like just one extra ton. But in the HVAC world, this is an extra jump of 12,000 BTU per hour of cooling capacity and 400 extra CFM of airflow.
During our service calls, we see people want to go for a more “powerful” unit. However, it’s more about matching the house, ductwork, climate, ...