A 2000 Square Foot Home Needs 3.5 to 4 Tons for Ideal Operating Costs
https://precisioninsurancesaccounty.bearsfanteamshop.com/warranty-coverage-controls-whether-constant-ac-running-costs-less-in-sacramento
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