A 2000 Square Foot Home Needs 3.5 to 4 Tons for Ideal Operating Costs
https://sacramento-precision-hvac-affordable-sac-sac-ca5294.zenbloomer.com/posts/near-perfect-maintenance-records-determines-whether-hvac-repair-or-replacement-makes-financial-sense
For a 2000 square foot house in Sacramento, you typically need a 3.5 to 4 ton HVAC system to balance comfort with operating efficiency