A 2000 Square Foot Home Needs 3.5 to 4 Tons for Ideal Operating Costs
https://sacramentoprecisionhvacrepair-pros-near-westacre-park6826.lumenforgex.com/posts/manufacturer-coverage-determines-whether-repair-or-replacement-suits-devices-reaching-15-20-years
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