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Understanding How Hydrogen Peroxide-Based Disinfectants Can Damage Copper Coils By Southeast Coil Pro The Question We Hear All the Time: At Southeast Coil Pro, we’re often asked: “Why are my evaporator coils leaking — especially when they’re only a few years old?” After decades of working with commercial HVAC systems, we’ve seen nearly every cause of coil failure — from formicary corrosion and poor installation practices to environmental exposure in tough industrial settings.

Microchannel condenser coils are increasingly used in HVAC systems for their compact design, lightweight nature, and reduced refrigerant...