M

Window Replacement Cost Calculator 2026

Estimate window replacement cost by window type, frame material, and quantity. Includes ENERGY STAR tax credit info (up to $600/yr for 2026).

🟢 Updated April 2026👤 Reviewed by MoneyMath Editorial⚡ Runs in your browser · inputs never leave your device

Average home has 10-15 windows. Bulk 10+ unlocks 10% discount.

Full-frame is required if frames are rotted.

Estimated window replacement
$4,700 – $10,550
10 windows × $520–$1,170 each
10 × double (vinyl)$5,200 – $11,700
Bulk discount (10+)-10%
Total range$4,700 – $10,550
Show the formula
per window = type × frame × glass × region
total = per × qty × bulk_discount

Window replacement cost by type (2026)

Whole-house replacement (10–15 windows) averages $8,000–$25,000. Individual windows range $300–$2,500 installed.

  • Single-Hung: $300–$700 (vinyl installed)
  • Double-Hung: $400–$900
  • Casement: $550–$1,200
  • Slider: $400–$900
  • Picture / Fixed: $500–$1,200
  • Bay / Bow: $1,800–$4,500
  • Egress / Basement: $400–$850

Frame material comparison

  • Vinyl — cheapest, 20–30 yr lifespan, low maintenance
  • Aluminum — poor insulation, mostly for commercial
  • Wood — prettiest, needs repainting, 30+ yr lifespan
  • Fiberglass — toughest, premium, 50+ yr lifespan
  • Composite — wood look without maintenance

2026 federal tax credit for windows

The Energy Efficient Home Improvement Credit provides up to $600 per year for qualifying ENERGY STAR Most Efficient windows. Maximum is 30% of cost up to $600. Must be installed in your primary residence.

How to save on window replacement

  • Replace 10+ windows at once. Contractors discount 10–20% for bulk.
  • Claim the federal credit. Up to $600/year through 2032.
  • Check utility rebates. Many offer $50–$200/window for efficient units.
  • Skip premium upgrades. Grilles, tints, specialty shapes add 20–40%.
  • Go vinyl for rentals. Looks fine, lasts 20–30 years, half the cost of wood.

Frequently Asked Questions

How much does window replacement cost in 2026?

Window replacement costs $300 to $2,500 per window installed in 2026. Whole-house replacement (10-15 windows) averages $8,000 to $25,000. Vinyl double-hung windows are cheapest ($400-$800 installed). Wood or fiberglass windows run $800-$2,500.

Is window replacement a good investment?

Yes. New energy-efficient windows save $125-$465 per year on energy bills, qualify for federal tax credits up to $600, and return 65-70% of cost at home sale.

Do I need to replace all windows at once?

No. Most homeowners replace windows in phases. Prioritize windows with broken seals (fogging between panes), rotted frames, or difficult operation. Bulk replacement saves 10-15%.

What is the federal tax credit for new windows?

The Energy Efficient Home Improvement Credit provides up to $600 per year for qualifying ENERGY STAR Most Efficient windows. Maximum is 30% of cost up to $600. Must be installed in your primary residence.

How long does window installation take?

Retrofit windows: 30-60 min per window. Full-frame replacement: 2-4 hours per window. A 10-window house is usually 1 full day with a 2-person crew.