Correctly Sizing an HVAC Unit Determines Whether Replacement Becomes Inevitable
https://precisionhvacrepairsac-local-sac-near-greenfair-park4406.cloudhinter.com/posts/confirming-active-coverage-before-your-15-20-year-system-reaches-end-of-life
For a 2000 square foot house, you typically need a system between 3.5 and 5 tons of cooling capacity, depending on insulation, ductwork, and local climate