System Sizing Errors Cost $1,500 to $4,000 in Unnecessary Replacement Expenses

https://telegra.ph/Federal-Refrigerant-Phase-Outs-Cut-10-15-Year-Lifespans-Short-Through-Regulatory-Compliance-08-13

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