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HVAC technician inspecting refrigerant lines during an AC or heat pump replacement

Should You Replace Refrigerant Lines During an AC or Heat Pump Changeout?

Refrigerant lines are easy to overlook during a system replacement, but they can affect performance, reliability, and installation cost. This practical guide explains when existing lines can sometimes be reused, when replacement is the safer choice, and what homeowners should ask before approving the job.