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Most U.S. homeowners pay between $400 and $1,100 per window installed, with a national average around $650 for a standard vinyl double-hung window. Specialty windows like bay or bow units run considerably higher because of their size and structural work.
| Window type | Installed cost (each) |
|---|---|
| Double-hung | $380 – $850 |
| Sliding | $360 – $820 |
| Casement | $420 – $950 |
| Picture / fixed | $450 – $1,100 |
| Bay / bow | $1,900 – $4,800 |
Frame material moves the price the most after type: vinyl is the baseline, aluminum adds roughly 10–15%, fiberglass 30–40%, and wood 50–70%. Labor and permit costs also vary noticeably by state — the calculator above adjusts for your region.
Pricing ranges are compiled from publicly available 2026 U.S. cost data, including ENERGY STAR, the U.S. Department of Energy, and national contractor cost guides (HomeAdvisor / Angi True Cost), and adjusted by region. Estimates are for planning only — always collect 2–3 local quotes before deciding. Last updated: July 2026
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