
Whole House Surge Protection
Protect What Powers Your Life
Power surges happen more often than you think—and they don't just come from lightning strikes. Everyday events like utility grid fluctuations, downed power lines, or even large appliances cycling on and off can send damaging voltage spikes through your home. For sudden electrical issues, our emergency repair service responds fast.
These surges can shorten the lifespan of your electronics, damage expensive appliances, and even cause fires. A whole-house surge protector is the most effective way to safeguard everything connected to your electrical system. Josh LaFerriere Electric provides expert installation for complete peace of mind.

What Is Whole-House Surge Protection?
A whole-house surge protector is installed directly at your main electrical panel. It acts as a gatekeeper, filtering excess voltage before it reaches any device or appliance in your home.
Unlike power strips that protect individual outlets, a whole-house system protects every circuit in your home simultaneously—including hardwired appliances like your HVAC system, water heater, EV charger, and electric range that can't be plugged into a strip.
What It Protects
Benefits of Whole-House Surge Protection
Single Solution for Your Entire Home
Instead of relying on individual power strips at every outlet, one device at your panel protects every circuit and every device in your home—including hardwired appliances.
Works 24/7 Automatically
Once installed, your surge protector works silently around the clock. No batteries, no maintenance, no buttons to press. It's always protecting your home.
Affordable One-Time Investment
Compared to the cost of replacing damaged electronics and appliances, a whole-house surge protector is a smart, affordable investment that pays for itself.
Common Sources of Power Surges
- Utility Grid Fluctuations: Switching events and load changes on the power grid cause frequent small surges that add up over time.
- Lightning Strikes: A nearby lightning strike can send massive voltage spikes through power lines and into your home.
- Large Appliance Cycling: Your HVAC system, refrigerator, hot tub, and other large appliances create small surges every time they cycle on and off.
- Downed Power Lines: Storms and accidents can cause downed lines that send irregular voltage into the grid.
- Utility Restoration: When power is restored after an outage, the initial surge can damage unprotected devices. A generator with a transfer switch helps manage power transitions safely.
Why Choose Josh LaFerriere Electric?
Licensed & Insured
Full licensure and insurance coverage for every installation.
Quick Installation
Most whole-house surge protectors can be installed in under two hours. Explore all our residential services.
Quality Products
We use trusted brands with strong warranties and proven protection for all electrical upgrade projects.
Expert Advice
We assess your home's needs and recommend the right level of protection, especially during remodel projects.
Protect Your Home from Power Surges
Contact us today for a free estimate on whole-house surge protection. Serving Portland, South Portland, Westbrook, Scarborough, Falmouth, Yarmouth, Freeport, Brunswick, Old Orchard Beach, Biddeford, Gorham, Standish, Sebago, and Southern Maine. We also install bathroom fans and offer commercial electrical services including commercial emergency repairs, commercial upgrades, and commercial panel replacements. Visit our home page for more.
