Correctly Sizing an HVAC Unit Determines Whether Replacement Becomes Inevitable

https://sacramento-precision-hvac-affordable-sac-sac-ca5294.zenbloomer.com/posts/diagnosing-component-failures-reveals-why-heat-pumps-outlast-traditional-air-conditioning-by-seven-years

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