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Insulation R-Value Calculator
Get R-value recommendations by climate zone and compare insulation material types.
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Area to Insulate (sq ft)
Climate Zone
Zone 1–2 (Hot/Humid — South FL, HI)
Zone 3–4 (Mixed — GA, TX, NC, CA Coast)
Zone 5–6 (Cold — IL, NY, CO, PA)
Zone 7–8 (Very Cold — MN, MT, AK)
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