System Sizing Errors Cost $1,500 to $4,000 in Unnecessary Replacement Expenses
https://precisionhvacnearuc-davis.yousher.com/diagnostic-testing-reveals-true-compressor-costs-before-sacramento-homeowners-commit-1
The compressor is typically the most expensive single component in an HVAC unit, often costing $1,500 to $4,000 for replacement. However, the true expense depends on whether your system was sized correctly using Manual J load calculation standards