Maintenance Tips

Protecting Your Luxury Appliances from Power Surges

Power surges damage sensitive electronics. Here's how to protect your investment.

September 17, 2024
4 min read

Modern luxury appliances contain sophisticated electronics vulnerable to power surges. A single surge can destroy control boards worth hundreds of dollars.

What Causes Surges

Lightning: Direct or nearby strikes send massive surges through power lines.

Utility Switching: Power company operations can cause brief surges.

Large Motor Startup: HVAC systems, well pumps, or nearby industrial equipment.

Power Restoration: Coming back online after outages often includes surges.

Vulnerable Components

Control boards, touchscreens, sensors, and communication modules are most susceptible. Replacing these components is expensive.

Protection Options

Whole-House Surge Protector: Installed at the main panel, protects all circuits. First line of defense.

Point-of-Use Protectors: Additional protection for individual appliances. Use quality units with adequate joule ratings.

Uninterruptible Power Supplies: For the most sensitive equipment, UPS units provide backup power and surge protection.

After a Storm

Check appliances for proper operation after severe storms. Error codes, unresponsive controls, or erratic behavior may indicate surge damage.

Insurance Considerations

Document your appliances with photos and receipts. Surge damage is often covered by homeowner's insurance, but you need proof of ownership and value.

Our Recommendation

Invest in whole-house surge protection. The cost is modest compared to a single control board replacement. In MetroWest, where summer storms are common, this protection is essential.

Robert Sullivan

Founder & Master Technician

Rob founded Sub-Zero Repair Wayland in 2010 after years of factory training. His deep industry connections and technical knowledge inform our most authoritative content.

Expertise: Business operations, Industry trends, All luxury brands, Complex diagnostics

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