Calculate surge rating (kA), Type 1 vs Type 2 SPD requirements, and electrical equipment payback.
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Whole House Surge Protector Installation & Cost Calculator — Calculations use publicly available benchmarks and are for education. Verify with a licensed professional. Primary sources: DOE · EPA · EIA.
Groundwork cites energy.gov, epa.gov, eia.gov directly in methodology. No sponsored bias.
Whole House Surge Protector Installation & Cost Calculator is an open decision utility designed to provide initial quantitative clarity across personal finance, home infrastructure, and lifestyle trade-offs. Calculations are non-deterministic screening tools and do not constitute fiduciary, legal, or medical advice.
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<a href="https://gworky.com/tools/whole-house-surge-protector-calculator" target="_blank" rel="noopener">Calculated via Groundwork Whole House Surge Protector Installation & Cost Calculator</a> • <a href="https://gworky.com/citations" target="_blank" rel="noopener">View 2026 Benchmark Methodology</a>
</p>Calculate exact surge rating ($kA$), SPD type requirement, and electrical replacement payback.
Modern standard single-family home
Midwest, Mid-Atlantic (3–6 strikes/km²/yr)
| Home Profile | Panel Service | Recommended Rating | SPD Type | Est. Installed | Action |
|---|---|---|---|---|---|
| Condo / Starter Home | 100 Amps | 50 kA | Type 2 SPD | $410 | Apply |
| Standard Suburban Home | 200 Amps | 80 kA | Type 2 SPD | $530 | Apply |
| Smart Home with EV Charger | 200 Amps | 100 kA | Type 2 SPD | $600 | Apply |
| Large Estate + Solar Battery | 400 Amps | 128 kA | Type 1 SPD | $730 | Apply |
Ensure your electrician installs a device with Voltage Protection Rating (VPR) ≤ 600V (L-N) and Short Circuit Current Rating (SCCR) ≥ 22kA to prevent electrical fires.