A 2000 Square Foot Home Needs 3.5 to 4 Tons for Ideal Operating Costs
https://precision-hvac-repair-crew-sac-near-heron-school0897.wordcanopy.com/posts/ignoring-a-single-failing-ac-component-triggers-cascade-failure-within-six-months
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