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Whole-house surge protector cost
A panel-mounted whole-house surge protector costs $300–$900 installed. It clamps utility-side and internal surges before they reach devices — cheap insurance in lightning-prone states and a common add-on during panel work.
Price at a glance
| Item | Typical |
|---|---|
| Job price range | $300–$900 |
| Common variants | Panel-mounted SPD plus installation |
| Labor share | 2–3 hours |
| Permit | Sometimes |
| Duration | Half day |
National job price data from the ee.ltd cost database, 2026 edition.
What drives the price
- SPD tier (Type 1 vs Type 2, kA rating)
- Panel brand compatibility
- Lightning-prone regions benefit most
- Pairing with point-of-use strips for electronics
DIY verdict
No — inside the panel
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