Can Rusted Evaporator Coils Be Repaired

Is HVAC Coil Corrosion a Cause for Concern? Discovering that your HVAC arrangement has developed coil corrosion will probably come up every bit a surprise, and not a pleasant one. Corrosion in an HVAC system's evaporator ringlet signals either a major repair or a system replacement. Estrus pumps and air conditioners use an indoor evaporator gyre and an outdoor condensing coil.

Causes of Corrosion

In recent years, HVAC professionals accept found corroded coils in homes primarily in the south where builders unknowingly turned to drywall imported from China. The tainted drywall emitted sulfurous gases that reacted with the copper in evaporator coils and dwelling house wiring. The evaporator coils adult pits and subsequent corrosion.

Copper corrosion likewise occurs when it's exposed to acetic or formic acids found in household products like adhesives, cleaning solvents, pigment and plywood. It shows up equally blue or blackness deposits on the coils. Another common source is new carpeting, fabrics, or detergents. Regardless of cause, pinhole leaks course and eventually pressurized refrigerant leaks out, making the arrangement inoperable.

Prevention

Fugitive the products that cause curlicue corrosion not only protects your evaporator coil, it also reduces risks to your own health. Effort as much as possible to use just building and remodeling materials that are depression in volatile organic compounds (VOCs).

Annual cleaning also prevents coil damage. Apply a pH balanced cleaner and a soft cloth. If you notice any damage, contact your HVAC technician immediately. The outdoor condenser coil may also corrode if too much grit builds on it over time. Hose it off gently a few times during the cooling flavor.

Repair or Supercede

One time corrosion has created holes, it'due south most incommunicable to repair them. The evaporator curl will have to be replaced. The replacement coil must match the outdoor coil in capacity and refrigerant type. If finding a matching coil is not possible, you lot'll have to replace the entire organisation.

Curl corrosion is a serious threat to HVAC systems and although information technology's fairly rare, its consequences are serious. For more information about fugitive it, contact Detmer and Sons, providing trusted HVAC services for Dayton-area homeowners.

Our goal is to help brainwash our customers in Dayton, Ohio about energy and home condolement issues (specific to HVAC systems).