Most homeowners in the Triangle area pay between $400 and $500 per window for a standard vinyl double-hung installation. That’s consistent with local project data from nearly 100 completed jobs.
A full-house replacement on a typical 1,000–1,500 sq ft home runs $3,900 to $7,300, depending on window count, material, and whether any frame repairs are needed.
Costs vary more than most people expect. The difference between an easy retrofit on a 1990s home and a full-frame replacement on a 1960s ranch with rotted sills can be double the price for the same number of windows.
Cost by Window Material
| Material | Installed Cost (per window) | Notes |
|---|---|---|
| Vinyl | $400–$700 | Most popular; low maintenance, good energy efficiency |
| Wood | $600–$1,200 | Best insulation value; requires periodic repainting |
| Fiberglass | $700–$1,300 | Strongest frame material; expands/contracts like glass |
| Aluminum | $300–$700 | Durable and slim-profile; less energy-efficient |
| Composite | $550–$1,200 | Wood-look with lower maintenance requirements |
Vinyl accounts for over 70% of residential replacements nationally and dominates the local market for the same reasons: affordable, durable, and it holds up well in North Carolina’s humid summers.
What Drives the Price Up
- Full-frame replacement vs. insert retrofit, removing the old frame down to the rough opening adds labor time and cost
- Rotted or damaged sills that need repair before the new window goes in
- Non-standard or custom sizes, common in older homes built before modern window dimensions were standardized
- Second-floor or hard-to-access windows that require additional setup
- Glass upgrades: double-pane Low-E with argon gas fill typically adds $50–$200 per window over standard glass
Whole-House Estimates
| Home Size | Typical Window Count | Vinyl Estimate |
|---|---|---|
| 1,000 sq ft | ~10 windows | $3,900–$4,800 |
| 1,500 sq ft | ~15 windows | $5,800–$7,300 |
These are vinyl retrofit estimates on homes with frames in good condition. Add 15–25% if structural work is involved.
Does It Add Value?
According to the 2025 Cost vs. Value report from the Journal of Light Construction, vinyl window replacement recoups an average of $16,657 in resale value, and wood windows average $18,764. That’s meaningful payback for a project that also cuts utility bills.
North Carolina’s climate makes energy-efficient windows a practical choice, not just an upgrade. Hot, humid summers put real strain on older single-pane windows. Double-pane Low-E glass with argon fill is the standard recommendation for the region.
Getting an Accurate Quote
Online calculators give you a useful starting range, but the only way to know your actual cost is to have someone measure the openings and assess the frame condition in person. Prices shift based on what’s behind the wall.
We offer free in-home estimates with no obligation. Call (406) 559-9640 or use the contact form to schedule a visit.