Whole House Surge Protector Cost in Seattle

How Much Does a Whole House Surge Protector Cost?

A whole house surge protector (also called a surge protection device or SPD) installs directly at your electrical panel and protects every circuit in your home from voltage spikes. For homeowners in Seattle, Renton, Newcastle, and Bellevue, this is one of the best investments you can make to protect expensive electronics and appliances.

Installation Pricing

• Standard whole house SPD: $300 to $500 installed. Includes the device, breaker, and wiring to your panel.
• Premium SPD (higher joule rating): $400 to $700 installed. Better protection for homes with expensive AV equipment, home offices, or EV chargers.
• SPD + panel inspection: $400 to $600. We check your panel condition while we are there.

What Does a Surge Protector Protect?

A panel-mount SPD protects everything connected to your electrical system:

• Refrigerators, washers, dryers, and dishwashers
• HVAC systems and heat pumps
• TVs, computers, and gaming systems
• EV chargers
• Smart home devices and Wi-Fi equipment
• Garage door openers and security systems

Power Strip vs Whole House: What Is the Difference?

Power strip surge protectors only protect devices plugged into them. A whole house SPD protects every outlet, every appliance, and every hardwired device in your home. It stops surges at the panel before they reach anything. For best protection, use both: a whole house SPD at the panel plus point-of-use strips at sensitive electronics.

Why Seattle Area Homes Need Surge Protection

The Pacific Northwest sees frequent windstorms, especially in fall and winter. Downed trees, power line contact, and grid switching events cause voltage spikes that can damage or destroy electronics. A single surge can cost thousands in replacement appliances. A $300 to $500 SPD is cheap insurance.

Quick Installation

A whole house surge protector installs in about 30 to 45 minutes. We mount the SPD at your panel, connect it to a dedicated two-pole breaker, and verify it is functioning. No downtime, no mess.

After losing a TV and a router to a power surge during a windstorm, we had Clarity Electric install a whole house surge protector. Quick install, very affordable, and total peace of mind now.

Newcastle homeowner, February 2026

Get a Surge Protector Installation Quote

Call 425-210-4791 or request a free estimate online.