How much does window replacement cost in 2026?
Cost breakdown
| Job type | Typical low | Typical high |
|---|---|---|
| Vinyl double-hung insert (per window) | $400 | $700 |
| Vinyl casement (per window) | $500 | $800 |
| Wood-clad double-hung (per window) | $700 | $1,500 |
| Fiberglass double-hung (per window) | $700 | $1,200 |
| Picture window (fixed, per window) | $300 | $800 |
| Bay/bow window (3-5 panel) | $2,500 | $8,000 |
| Full-frame replacement upcharge | $200 | $500 |
| Triple-pane upgrade | $80 | $200 |
| Whole-house (10 windows, vinyl) | $5,000 | $9,000 |
| Whole-house (10 windows, fiberglass/wood) | $9,000 | $18,000 |
| IRA 30% tax credit cap (annual, windows) | $600 | $600 |
Two replacement types: insert vs full-frame
Two replacement methods with different scope + cost. (1) Insert replacement (a.k.a. pocket replacement) — the new window slips into the existing window frame; the original frame stays in place. Cheaper + faster ($400-$900 per window). Used when the existing frame is structurally sound. (2) Full-frame replacement — the entire window assembly including the frame is removed; new construction installed; new trim. $600-$1,400 per window. Required when the existing frame is rotten, water-damaged, or being changed in size/style. About 60-70% of replacements are inserts; 30-40% are full-frame.
Material: vinyl vs wood vs fiberglass vs aluminum
Four common materials with very different price + lifespan tradeoffs. (1) Vinyl — $400-$700 per window installed. Cheapest, low-maintenance, 25-30 year lifespan. The dominant residential material. (2) Wood-clad (wood interior, vinyl/aluminum exterior) — $700-$1,500. Premium look, requires occasional staining/painting interior. 30-50 year lifespan. (3) Fiberglass — $700-$1,200. Best dimensional stability (won't expand/contract like vinyl). 40+ year lifespan. (4) Aluminum — $500-$900. Limited residential use; aluminum conducts heat (poor insulator) so most aluminum windows are commercial/coastal. (5) Composite (e.g., Andersen Renewal Fibrex) — $800-$1,500. Mid-tier durability between vinyl + fiberglass.
Style: double-hung vs casement vs picture
Window operation style drives mid-range cost differences. Double-hung (slides up/down): the dominant residential style; $400-$1,000 installed. Casement (cranks open from one side): $500-$1,100; better seal so often more energy-efficient than double-hung. Picture (fixed, doesn't open): $300-$800 — cheaper because no operating hardware. Awning (cranks open at top): $500-$1,000. Bay/bow (3-5 panel projection): $2,500-$8,000 (significantly more due to structure + size). Sliding patio doors: $1,500-$4,000 — though technically a door, often included in window replacement contracts.
Energy efficiency: U-factor and SHGC
Modern Energy Star windows save 25-40% on heating + cooling vs old single-pane. Two efficiency numbers matter: (1) U-factor — heat conduction; lower is better; Energy Star requires ≤0.30 in northern climates, ≤0.40 south. (2) SHGC (Solar Heat Gain Coefficient) — fraction of solar radiation transmitted; lower is better in cooling-dominated climates, higher is better in heating-dominated. Triple-pane vs double-pane upgrade: $80-$200 more per window; only worth it in zones 6+ (cold climates) where it pays back in 8-12 years.
Whole-house replacement math
A typical 2,000 sq ft home has 10-15 windows. Whole-house replacement budget: $5,000-$18,000 depending on material + style. The IRA 25C tax credit gives 30% back (up to $600/year for windows specifically) on Energy Star certified models — confirm before buying. Most pros offer 3-15% discount for whole-house vs piecemeal. Energy savings on a typical 12-window upgrade in zone 5: $300-$700/year — payback 12-25 years on energy alone. The real ROI driver is comfort (no draft) + resale value (75-85% recouped at sale).
When DIY is realistic
Vinyl insert replacement on a single-story home with no rot is a realistic DIY project for an intermediate skill level (~3-4 hours per window first time, 1-2 hours by window 5). Tools: pry bar, level, low-expansion foam, caulk gun. Skip DIY when: full-frame replacement (involves siding + interior trim), bay/bow windows (structural), any rot in the existing frame (requires diagnosis + re-flashing), 2+ stories without scaffolding access. Most homeowners do best with DIY on the first one or two as a test, then hire out the rest.
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Find a handyman near you →Frequently asked questions
How long does it take to replace a window? ▾
Insert replacement: 1-2 hours per window. Full-frame: 3-5 hours per window. A 10-window whole-house job is typically 2-3 days for two installers.
Will replacement windows save me money? ▾
Energy Star windows save 25-40% on heating + cooling vs old single-pane. Payback in 8-25 years on energy alone, varying by climate. Comfort + resale value are the bigger ROI drivers.
Should I replace all my windows at once? ▾
If you can budget it, yes — whole-house contracts typically save 5-15% vs piecemeal. If not, prioritize the worst-performing windows first (north-facing + large + drafty).
How long do replacement windows last? ▾
Vinyl: 25-30 years. Wood-clad: 30-50 years. Fiberglass: 40+ years. Aluminum: 30-50 years (in non-corrosive climates).
What's the IRA tax credit for windows? ▾
30% of cost up to $600/year for Energy Star certified windows + skylights, through 2032. Confirm Energy Star certification on the manufacturer's spec sheet before buying.
Triple-pane or double-pane? ▾
In zones 6+ (cold climates): triple-pane pays back. In zones 1-5: double-pane low-E is sufficient — the upcharge usually doesn't pay back.
Should I replace or restore old wood windows? ▾
Pre-1940 wood windows in a historic home are often worth restoring (stripping + reglazing + adding storms) for $300-$700 per window. Post-1960 wood windows are usually cheaper to replace than restore.
Do replacement windows come with a warranty? ▾
Major brands warranty 20-30 years on glass seal failures, 10-25 years on hardware, 1-2 years on labor. Lifetime warranties exist but are often non-transferable — read the fine print.