Window Replacement Cost in Missouri:
Types, Ratings & Local Quotes
Average window replacement in Missouri: $240–$540/window. Recommended type: Double-pane Low-E with argon fill. Compare ratings, warranty, installation scope, and rebate assumptions.
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$240–$540/window
Avg. Cost Per Window
$130–$270/yr
Annual Energy Savings
≤0.30
Target U-Factor
10–17 years
Typical Payback
Best Windows for Missouri
Recommended: Double-pane Low-E with argon fill
Missouri's hot summers and cold winters make Low-E with moderate SHGC (0.25–0.30) the best balance. Ameren Missouri and Spire Natural Gas offer rebates. Hail is a risk in Missouri — ask about impact-rated options.
| Window Type | Cost Per Window | U-Factor | Best For |
|---|---|---|---|
| Double-Pane Standard | $150–$350 | 0.30–0.40 | Budget replacement |
| Double-Pane Low-E | $200–$500 | 0.25–0.32 | Best value overall |
| Double-Pane Low-E + Argon | $280–$600 | 0.20–0.28 | Mixed climates |
| Triple-Pane Low-E | $400–$800 | 0.15–0.22 | Cold climates |
| Impact-Resistant | $500–$1,200 | Varies | Hurricane/storm zones |
Missouri Window Rebates & Tax Credits
Current window rebate eligibility should be verified
Ameren Missouri BillSaver rebates
Spire Energy weatherization programs
Federal credit rules changed after 2025; verify current IRS rules
Programs change often. Ask each window contractor to confirm current rebate and tax credit rules before you purchase.
Window Replacement Quotes by City in Missouri
Compare Window Quotes in Missouri
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