What affects the price
- Device tierEntry-level (Eaton/Square D/Siemens, 40 kA): $145–$220 device. Mid (60–80 kA, with monitoring): $250–$450. High-end Eaton CHSPT2 ULTRA (160 kA, replaceable cartridges): $450+.
- Panel compatibilityMost modern panels accept any major brand surge protector. Federal Pacific/Zinsco panels: replace the panel first ($1,800–$3,200), no surge protector available.
- Existing panel spaceTwo open breaker spaces: standard install. Full panel: needs a sub-panel or panel upgrade first.
What's included
- Type 2 SPD installed at the main panel
- Two-pole 240V dedicated breaker
- Connection to neutral + ground bus
- LED status indicator wired to visible position
- Lifetime device warranty registered
When to call
If your home has any of: HVAC system, EV charger, smart-home hub (Nest/Ecobee/Ring), home theater, server / NAS, or you've experienced a recent surge event. Toledo Edison's grid-side surge protector at the meter is NOT enough — it stops big surges but lets through smaller ones that fry electronics. The whole-house unit at the panel is the second line of defense.
Related questions
Do I still need plug-strip surge protectors after a whole-house unit?
Yes — best practice is a layered approach. Whole-house unit at the panel + plug-strip surge protectors at sensitive electronics (TV, computer, modem). Each layer catches what the previous one missed.
How long do surge protectors last?
5–10 years for entry-level; 15+ years for premium with replaceable cartridges. The LED indicator goes from green to red when capacity is depleted. Replace within 30 days if it goes red.
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