Thursday, August 26, 2021

How to Protect Your HVAC System from Summer Storms

Here in the Midwest, rain showers are not limited to just springtime.  Summer can bring its fair share of pop-up storms and that can be an issue for your HVAC system, especially if it is aged or worn out.  Even a new system can be at risk from damaging winds or electrical surges.  At Royal Heating and Air, we have a few tips to help you prepare and protect your HVAC system from storms.

Wind & Hail

The first threat to your HVAC system that we are going to talk about is wind and hail.  When the wind kicks up during a storm it can stir up debris of all sizes (or hail) and torpedo it against your outdoor condensing unit. Your condenser is made of tiny and delicate fins that can be easily bent or dented by flying debris.  If this happens it can seriously affect how efficiently your system functions. If you notice dents or dings on your outside condensing unit after a storm, it is recommended that you have an HVAC technician at the Lake of the Ozarks come out and inspect your system to see if repairs are needed.

Preventatively, it is a good idea to do what you can to keep your trees trimmed and your yard free of debris.  In an extreme situation, it may be best to shut off your HVAC system and cover it securely just until the storm passes.  However, it is important to uncover it before using your system again and before moisture and mold has a chance to accumulate.


Lightening can be the most serious hazard to your HVAC system during a summer storm.  A strike at or nearby your home can damage or completely ruin your system’s components or wiring.  Of course, your system is hard wired in, so you can’t just plug it into a surge protector.  But you can add a whole-house surge protector, which will not only protect your HVAC system but everything that is plugged into your home’s electrical system.

Otherwise, your safest bet is to shut your thermostat off during an electrical storm and turn off the breaker to your system until the storm has passed. If your system is on during a power surge and the electricity goes off, and your air conditioner does not start back up when the electricity resumes, call Royal Heating and Air.  We prioritize emergency HVAC services the Lake of the Ozarks for our clients and will be happy to come out and help.  


Rain and moisture shouldn’t be an issue for a healthy HVAC system, but if one is old or worn out and has leaks or cracks where rain and humidity can get into moisture sensitive components, it is possible that normal rainstorms could cause problems.  You can help avoid unwanted surprise by scheduling a regular maintenance check with a reputable HVAC company at the Lake of the Ozarks. 

While you can’t control the weather, you can predict and prevent some of the risks to your HVAC system caused by summer storms.  We know how miserable it can get in the summer if your air conditioner goes out and as the king of comfort, we want you be able to weather the storms safely and comfortably.  For all your HVAC services at the Lake of the Ozarks, you can count on Royal Heating and Air.

Royal Heating & Air - "The King of Comfort"

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CALL TODAY! (573) 480-4313

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