Surge protection and storm preparedness tips for homeowners

Summer storms in Tennessee bring heavy rain, high winds, and—most dangerously—lightning. While most homeowners think about protecting their electronics and appliances, your HVAC system is just as vulnerable to power surges and storm damage. Here’s what you need to know.

⚡ 1. How Lightning Affects Your HVAC System

A lightning strike, even one that doesn’t hit your home directly, can send a power surge through the electrical grid. These surges can:

• Burn out your HVAC’s control boards and wiring

• Damage the compressor (the heart of your AC)

• Cause total system failure

Since HVAC repairs—especially compressor replacements—can be costly, prevention is key.

🔌 2. The Role of Surge Protection

A whole-home surge protector or HVAC-specific surge protector can act as a shield for your system. Much like surge strips protect computers, these devices prevent sudden electrical spikes from frying your unit.

Pro Tip: Ask your HVAC technician about installing a dedicated surge protector for your outdoor condenser unit.

🌩️ 3. Storm Preparedness Tips for Your HVAC

When severe weather is in the forecast:

• Turn off your HVAC system at the thermostat during lightning-heavy storms.

• Disconnect power to the unit if possible.

• Inspect the area around your outdoor unit—secure loose objects and trim branches that could fall and damage it.

🛠️ 4. What to Do After a Storm

If your HVAC system won’t turn back on after a storm—or if you notice unusual smells, sounds, or tripped breakers—don’t keep restarting it. Call a professional to inspect for surge or water damage.

✅ The Bottom Line

Lightning strikes can destroy HVAC systems in seconds. Investing in surge protection and taking simple storm precautions can save you from expensive repairs or replacements.

📞 Call Jack Frost Heating and Air Conditioning today at 865-573-5777 or visit www.jackfrostheatingandair.com to ask about surge protection for your HVAC system.