Whole-Home Surge Protection

Protect Every Circuit in Your Austin Home from Lightning, Grid Surges & ERCOT Events

(512) 301-9111 — Free Estimate

One lightning strike. One ERCOT grid event. One power-restoration surge. That's all it takes to destroy thousands of dollars in electronics, appliances, and HVAC equipment. Central Texas sees 60+ thunderstorm days a year, and Texas grid instability sends "invisible" surges through your home multiple times a day — gradually degrading everything plugged in.

At Malco Electric, we've been protecting Austin and Hill Country homes since 1983. Our licensed team installs commercial-quality whole-home surge protection hardwired directly at your panel — protecting every circuit in your home 24/7. Learn more about our team and licensing.

Surge Protection Services We Offer

Whole-Home Surge Protection

Panel-mounted surge protection devices installed at your main electrical panel. Protects every circuit in your home from external power surges caused by lightning, grid issues, and utility problems.

Lightning Protection

Comprehensive surge protection for homes in lightning-prone areas. Combines whole-home surge suppression with proper grounding to safely dissipate lightning strikes before they damage your electrical system.

HVAC Surge Protection

Dedicated surge protection for expensive HVAC systems. Texas heat makes AC compressors vulnerable to power surges that can cause thousands in repair costs. Protect your investment.

Generator Surge Protection

Surge protection for homes with backup generators. Prevents power surges during generator startup/shutdown and when switching between grid and generator power.

Smart Home & Low-Voltage Protection

Essential for protecting sensitive electronics. Layered surge protection for smart home systems, security systems, home automation, and low-voltage equipment.

Point-of-Use Surge Outlets

Installation of high-quality surge protectors at critical outlets for computers, home theaters, and sensitive electronics. Professional hardwired surge protection outlets that won't wear out like plug-in strips.

Where Power Surges Actually Come From in Austin

Lightning StrikesCentral Texas sees 60+ thunderstorm days per year. Even nearby lightning strikes send massive surges through power lines that fry electronics and appliances.
ERCOT Grid EventsTexas grid instability causes frequent voltage fluctuations and surges, especially during peak demand. These "invisible" surges gradually damage electronics.
Power Restoration SurgesWhen power returns after an outage, the "inrush" surge can be massive. This damages AC compressors, refrigerators, and anything plugged in during the restoration.
HVAC Cycling SurgesYour AC compressor creates internal surges every time it cycles on and off — multiple times per hour during Texas summers.
Utility SwitchingPower company equipment switching, transformer maintenance, and substation operations create voltage spikes that travel to your home multiple times per day.
Internal Home SurgesLarge appliances like dryers, water heaters, and motors create internal surges when they turn on. These "micro-surges" accumulate over time, degrading sensitive electronics.
40+ Years Experience
A+ BBB Rating
Local Family-Owned Since 1983

Our Surge Protection Installation Process

1

Free Assessment

We inspect your electrical panel, grounding system, and existing protection to determine the best surge protection solution for your home's specific needs.

2

Quality Equipment

We install commercial-quality whole-home surge protectors with high joule ratings — not consumer-grade devices that fail after one major surge. Devices include visual indicators and manufacturer warranties.

3

Professional Install

Surge protectors are hardwired directly into your electrical panel by our licensed electricians, providing protection to every circuit in your home from external surges.

4

Test & Verify

We verify the installation, check grounding, and walk you through the indicator lights so you always know your protection is active.

Frequently Asked Questions

What does a whole-home surge protector do?

A whole-home surge protector installs at your electrical panel and protects your entire home from power surges. It diverts excess voltage to ground before it reaches your devices, protecting everything plugged into your outlets including HVAC, appliances, computers, TVs, and smart home systems.

Do I really need surge protection in Austin?

Yes, especially in Austin where summer thunderstorms, grid instability, and frequent ERCOT power events cause regular surges. One lightning strike or major surge can destroy thousands of dollars in electronics and appliances. Whole-home surge protection guards your entire home 24/7 — and it's one of the most affordable protective upgrades you can make. Malco Electric provides free estimates with honest, upfront quotes.

How much does whole-home surge protection cost in Austin?

Every home is different — cost depends on your panel type, the surge protection device selected, and whether grounding improvements are needed. Because those factors vary home to home, the only reliable way to get an accurate number is an assessment. Malco Electric provides free estimates with honest, upfront quotes — no surprises.

Do I still need plug-in surge protectors with whole-home protection?

Yes, a layered approach is best. Whole-home surge protectors handle large surges from outside your home (lightning, grid issues), while quality point-of-use surge protectors at outlets provide additional protection for sensitive electronics like computers, TVs, and audio equipment.

How long does surge protector installation take?

Most whole-home surge protector installations take 1–2 hours. The device is hardwired directly into your electrical panel by a licensed electrician. We inspect your panel and grounding system as part of every installation to ensure the surge protector performs as designed.

Surge Protection Service Areas

We install whole-home surge protection throughout Austin and the Texas Hill Country:

Protect Your Home Before the Next Storm

One surge can cost you thousands. Protection costs a fraction of that.
Call for a free estimate.

Call (512) 301-9111