HVAC systems almost always have part of the unit located outside, especially split and box-type units. These components are specially-designed to withstand harsh outdoor conditions, but are they safe from strong rains? Our HVAC maintenance specialists share their insights on the matter here. 


When Rain Isn’t a Problem

HVAC experts will most likely tell you not to worry too much about rain, as all outdoor components are built to be especially tough and water-resistant. In fact, some rain may even be a good thing because the rainwater will rinse off any dust and produce an extra cooling effect on the radiator fins. Any electrical components are also insulated to withstand harsh conditions.

When Is Rain an Issue?

There are some times when rain can have a negative effect on your HVAC system, but that’s less about the unit and more about what’s around it. For example, if your unit is near an area that’s normally dusty on a dry day, strong rain can cause mud to splash up and get caked on the unit. Experts on  air cleaners will be quick to point out that mud on the radiator fins can have a negative effect on your AC unit’s cooling efficiency.

Actual Threats to Your HVAC System

If there’s something you should be concerned about when it comes to your HVAC system’s outdoor components, it’s factors like strong winds and heavy flooding. Strong winds can blow about debris that can get inside and hit the fan, causing mechanical damage. The same is true for heavy flooding, which can short-circuit the unit in an instant.

Preparing for the Worst

In addition to having your HVAC system inspected and cleaned on a regular basis, you should ask an expert how to protect your outdoor unit  from extreme weather. Experts on HVAC systems and gas furnaces will generally recommend powering down your unit during inclement weather, and even unplugging it for extra measure.

Take good care of your HVAC system with help from our team. Sherrell Air Conditioning and Heating is the leading HVAC contractor in the area. You can call us at (972) 216-1961 or fill out this contact form to request a quote.

Whether you need routine maintenance, emergency service repair or an estimate on equipment, give us a call.

Sherrell Air Conditioning and Heating is ready to serve you.

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