Calculate surge rating (kA), Type 1 vs Type 2 SPD requirements, and electrical equipment payback.
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.
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Groundwork decision utilities are built on reproducible formulas and verified empirical benchmarks.
This utility calculates primary outputs by computing the relationship between user input parameters, standardizing baseline costs, and projecting scenarios according to mathematical amortizations and empirical distributions.
All projections are calculated locally in your browser for 100% privacy and zero data harvesting.
The Whole House Surge Protector Sizing & Cost Calculator uses empirical formulas and benchmark parameters defined in the Groundwork decision framework. It evaluates user inputs such as Living area (sq ft), Service panel rating (Amps) to produce instant, verifiable projections.
Yes, Groundwork's Whole House Surge Protector Sizing & Cost Calculator is completely free, runs privately in your browser without requiring registration to calculate, and contains no sponsored financial bias.
Yes, you can use the embed code provided at the bottom of the page to host this calculator on your blog or research portal with automatic responsive styling.
For information only — not financial, medical, or legal advice.
Whole House Surge Protector Sizing & 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.
Are the mathematical formulas and benchmark assumptions reflecting current regulatory and market baselines?
Calculations model the trajectory; execution requires audited counterparties. The following providers meet Groundwork’s transparency and fee-disclosure standards.
See the result for a sample scenario, then run your own numbers.
View example result →Houzz's 2026 U.S. Fall Design Trends Report reveals that homeowners are moving away from minimalism and towards warmer, more personal spaces.
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Free to embed on any blog, financial guide, or open-source repo. Widgets automatically adapt to container width.
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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 Sizing & Cost Calculator</a> • <a href="https://gworky.com/citations" target="_blank" rel="noopener">View 2026 Benchmark Methodology</a>
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