How long does a surge protector last?

Whole-home SPDs last for years and many have an indicator light that shows when it’s time to replace them. We check it during any service visit.

Do I still need power strips?

Yes, for your most valuable electronics. Whole-home plus point-of-use gives you the strongest, layered protection.

Surge Protection

Whole-Home Surge Protection: Guard Your Electronics on Long Island

June 14, 20266 min read

TL;DR

A surge is a sudden voltage spike that can fry anything plugged in — TVs, the fridge, your HVAC.
A power strip only guards one outlet; a panel-level SPD protects the whole house at once.
Pair whole-home protection with point-of-use strips for the strongest, layered defense.

Long Island gets its share of summer storms, and the grid isn’t perfect. Both can send a sudden voltage spike — a surge — into your home, damaging anything plugged in, from your TV to your refrigerator.

A power strip helps a little, but it only protects what’s plugged into it. Whole-home surge protection guards everything at once.

What Is a Power Surge?

A surge is a quick jump in voltage above the normal ~120 volts. It can come from a lightning strike, a downed line, power returning after an outage, or even large motor loads in your own home — the AC or fridge cycling on and off. Those everyday spikes are called transients, and they chip away at your electronics over time.

$1,000s

What one bad surge can cost in fried electronics and appliances.

1 device

All a power strip protects — versus every circuit in your home.

24/7

Round-the-clock protection once an SPD is installed at the panel.

Why Power Strips Aren’t Enough

Point-of-use strips only protect what’s plugged into them, and the MOVs inside them — the metal-oxide varistors that absorb spikes — wear out over time, often silently. Your fridge, oven, AC, and hardwired electronics get no protection at all.

How Whole-Home Surge Protection Works

We install an SPD (surge protective device) at the service panel — your home’s main breaker box. It acts like a guard at the front door: when a surge tries to enter, the SPD diverts the excess energy to ground before it reaches your branch circuits (the individual circuits feeding each room). Everything in the house is covered — not just one room.

Layer 1 — Whole-Home (at the panel)

A panel-level SPD with a high joule rating stops the big spikes at the source, protecting every circuit — including hardwired appliances a strip can’t reach.

Layer 2 — Point-of-Use Strips

Quality surge strips add a second line of defense at your most sensitive gear — the home theater, the office, the gaming PC.

What It Protects

TVs, computers, and game consoles
Refrigerator, washer, dryer, and dishwasher
Heating and cooling systems
Smart-home gear, cameras, and Wi-Fi
LED fixtures, which fail early from repeated small surges

Is It Worth the Cost?

Add up everything plugged in around your home. One bad surge can cost thousands; whole-home protection costs a small fraction of that and lasts for years. For the strongest defense, pair the panel-level SPD with point-of-use strips on your most sensitive electronics — a two-layer approach. Learn more about our whole-home surge protection service.

Protect your home before the next storm.

We install utility-grade surge protection at the panel across Selden and all of Suffolk County. Free estimates, no pressure.

Request Estimate 631.239.7000

Frequently Asked Questions

A direct lightning strike is rare and extreme. Whole-home protection handles the far more common surges from the grid and nearby strikes, which cause most damage.

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