Repairing an AC unit depends on factors like its age, extent of damage, and repair costs versus a new unit. For newer units under warranty, repairs can be cost-effective. But if an old unit requires frequent repairs, investing in a new, energy-efficient model might save more in the long run. Consultation with an HVAC technician can help decide based on specific circumstances. Learn more about when it’s time to replace your AC unit from EnergyStar.