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Keeping Your HVAC System Properly Maintained Is Especially Important During Severe Weather

Friday, July 26, 2013

Severe weather has the ability to negatively impact all outdoor HVAC equipment. In light of the poor weather that has been plaguing the Midwest as of late, Speer Mechanical would like to take a moment to remind our friends of the importance of a properly maintained HVAC system.

Severe weather may cause damage to the condenser coil’s soft metal fins of an air-cooled HVAC system, inhibiting airflow and increasing energy consumption by as much as 30%.

The most delicate piece of equipment on an air-cooled HVAC system also happens to be one of the most exposed pieces of equipment—the condenser coils. The only protection for a system’s condenser coils are the soft metal fins surrounding them which are designed to aid in the process of transferring heat either into or out of a building.

During periods of severe weather, hail and other debris can easily damage the condenser coil’s soft metal fins, which results in a subsequent reduction in airflow through the coils. This reduction in airflow inhibits the HVAC system’s ability to transfer heat between the building and the outdoor air. The energy consumption of a damaged unit can increase by up to 30% while providing 10% less heating or cooling capacity.

The condenser coils’s metal fins are one of the most exposed parts of an air-cooled HVAC system. Damage to these delicate parts can cause as much as a 10% loss in heating and cooling capacity.

The condenser coils’s metal fins are one of the most exposed parts of an air-cooled HVAC system. Damage to these delicate parts can cause as much as a 10% loss in heating and cooling capacity.

In most cases, combing the fins will easily straighten them out. On the other hand, if serious damage has been incurred, replacement of the condenser coil fins is the only viable option. For most equipment, the manufacturer’s warranty may be voided if a component’s failure is traced back to an improperly maintained or damaged condenser coil. Replacing a damaged condenser coil is far less costly than replacing a damaged compressor, which can result if hail damage is not taken seriously. Hail guards also exist as a preventative measure to protect against severe weather.


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