Window Replacement Cost
Reviewed 2026-07-30
Typical range
$400 – $1,200 per window
National average
$700 per window
Window Replacement cost breakdown
| Line item | DIY cost | Professional cost |
|---|---|---|
| Vinyl double-hung replacement window (insert) | $150 – $350 per window in materials, high skill needed | $400 – $800 per window |
| Wood-frame or fiberglass window replacement | Not recommended for full-frame jobs | $700 – $1,400 per window |
| Full-frame replacement (removing old frame to studs) | Not recommended | $900 – $1,800 per window |
| Egress window installation in a bedroom or basement | Not recommended — code compliance required | $2,500 – $5,500 |
| Custom or specialty shape windows (bay, arched) | Not applicable | $1,500 – $4,000 |
What pushes window replacement cost up
- Full-frame replacement instead of insert-style replacement
- Premium materials like fiberglass or wood-clad frames
- Triple-pane or high-performance low-E glass for cold climates
- Custom shapes, sizes, or historic-district matching requirements
- Egress code upgrades for basement or bedroom windows
- Second-story or hard-to-access window locations
What brings window replacement cost down
- Standard vinyl insert replacement keeping the existing frame
- Ordering multiple identical windows in one whole-house project
- Standard sizes rather than custom shapes
- Off-season scheduling (winter in most regions)
- Utility rebates for ENERGY STAR-rated replacement windows
Window Replacement diagnostic and emergency fees
Most window companies provide free in-home measurement and quotes; no diagnostic fee typically applies
Broken or storm-damaged windows needing emergency board-up and rush replacement can add 20-40% versus standard scheduled installation.
Questions to ask before you approve window replacement work
- Is this an insert replacement or full-frame, and why do you recommend that approach?
- What is the U-factor and SHGC rating of the glass for my climate?
- Are the windows ENERGY STAR certified, and do rebates apply?
- What warranty covers the glass seal, frame, and installation labor separately?
- How long does installation take per window, and is it weather-dependent?
- Will basement or bedroom windows meet current egress code requirements?
Window Replacement cost questions
Should I replace all my windows at once or one at a time?
Replacing all windows in one project usually costs less per window due to shared labor and material discounts, but budget constraints often make a phased approach necessary.
What's the difference between insert and full-frame replacement?
Insert replacement fits a new window into the existing frame and is faster and cheaper, while full-frame replacement removes everything down to the studs, needed when frames are rotted or you're changing window size.
How much energy can new windows save?
The U.S. Department of Energy estimates ENERGY STAR replacement windows can lower household energy bills by an average of 12%, more in older single-pane homes.
Problems window replacement solves
- Why Is My House Getting Drafty Windows?
- Why Is My House So Cold?
- Why Is My House Getting High Energy Bills?
Sources for these window replacement costs
- U.S. Department of Energy, Energy Efficient Window Fact Sheet
- ENERGY STAR Windows, Doors and Skylights guidance
- International Residential Code (IRC) egress provisions