Evaporator coils inside a walk in live a hard life. Cleaning chemicals, salt, produce acids and constant condensation corrode the aluminium fins and copper tubing, and a pinhole leak in an evaporator is one of the more common refrigerant losses we find in O Brien, TX.
JRC repairs and replaces evaporators, including the fan motors, blades and drain pans that go with them. Where a coil is corroded through in one spot, the rest is usually not far behind, so we will tell you plainly whether a repair is worth doing or whether replacement is the better money. Drain pans and lines get cleared at the same time, since a blocked drain refreezes onto the coil.