Estimate your project, compare frame materials and understand the ratings that actually matter—using current cost datasets and primary technical sources.
2026 national average
$1,047 / window
Modernize · 1,061,338 real homeowner projects · Aug 21, 2026
Typical range
$700–$1,400
Free planning tool
Uses current 2026 installed-cost benchmarks. No email required.
Estimate inputs
Window count is only the starting point. Opening size, frame condition, window style, glass package and installation method can all move a replacement estimate.
Open the window cost estimator →Real window measurement during a renovation project. Source record: Pexels / Ksenia Chernaya.
Installation matters
Insert replacement can be very different from full-frame work. Access, trim repair, water damage and opening preparation can change the labor portion of a project.
See the installation process →Professional window installation during home renovation. Source record: Pexels / Ksenia Chernaya.
Current benchmarks
Use more than one data point. A national average is useful for orientation, while your final quote depends on the exact window, glass, opening and installer scope.
National average
$1,047/window
Modernize, Aug. 21, 2026
Typical installed range
$700–$1,400
Per window; size/features/location vary
Project average
$7,348
Angi, Aug. 3, 2026
Typical labor
$100–$300
Per window; standard labor benchmark
Understand the quote
Modernize's national dataset separates its $1,047 average into roughly $897 of materials and $149 of labor. Treat those figures as a dataset breakdown—not a rule for every contractor.
Materials
$897
Window unit and associated material component in the source dataset.
Labor
$149
Average labor component reported by the same dataset.
Interactive comparison
Material choice changes budget, maintenance and design. The figures below use the same current installed-cost dataset for a cleaner comparison.
2026 installed benchmark
$450–$850 / window
Longevity note: Longevity varies by product, climate, installation and exposure; verify the specific warranty. Also verify NFRC ratings and the local installed quote before buying.
Window styles
Projected bay and bow assemblies occupy a very different price band from common double-hung or sliding replacements.
Two vertically moving sashes; common in traditional U.S. homes.
Best for
Familiar operation and flexible ventilation
Compare cost drivers →Side-hinged sash that opens outward with a crank or handle.
Best for
Ventilation and a tight perimeter seal
Compare cost drivers →Horizontal moving panels with a wide viewing area.
Best for
Wide openings and simple operation
Compare cost drivers →Fixed window with no operating sash.
Best for
Large views and daylight
Compare cost drivers →Projected multi-panel assembly that can add interior ledge space.
Best for
Architectural impact and expanded views
Compare cost drivers →Curved projected assembly made from multiple window units.
Best for
Panoramic views and premium exterior character
Compare cost drivers →Brand research
Manufacturer portfolios differ by product line. Use official material information, certified performance and local installed quotes before deciding.
Andersen spans value-to-premium replacement options and uses different material systems by product line rather than one universal frame construction.
Notable lines
Pella's current replacement catalog includes wood, fiberglass and vinyl options across multiple style and feature tiers.
Notable lines
Marvin focuses heavily on fiberglass and wood-based premium systems, with different interior/exterior material combinations by collection.
Notable lines
ENERGY STAR + NFRC
ENERGY STAR says certified windows are independently tested and verified through NFRC procedures. Its guidance also reports average energy-bill savings of up to 13% in the stated single-pane replacement comparison.
U-Factor
Heat transfer
Lower generally means better insulation
SHGC
Solar heat gain
Preferred level depends on climate and orientation
VT
Visible light
Higher means more daylight passes through
Air Leakage
Air infiltration
Lower means less air passes through the assembly
Decision library
Each guide answers one distinct intent so pages support each other instead of competing for the same keyword.
2026 Cost Guide
Use current national cost datasets as a planning benchmark, then narrow the estimate by window style, frame material, glass and location.
Read guide →Decision Guide
Repair makes the most sense when the problem is localized and the surrounding frame remains sound; replacement becomes more compelling when failures are structural, repeated or whole-window performance is poor.
Read guide →Installation Guide
A quality replacement is more than setting a new unit in an opening. Water management, fit, insulation, fastening and finish work all affect performance.
Read guide →NFRC Label Guide
The NFRC label gives comparable performance numbers for specific window configurations, helping you move beyond generic 'energy-efficient' marketing language.
Read guide →Material Cost Guide
Vinyl remains the lower-cost major frame option in current national datasets. Use the prefilled vinyl calculator, then compare how style, glass and installation change the final range.
Read guide →Brand Comparison
There is no single best brand for every home. Compare the exact series, material system, certified performance, warranty and installer—not just the logo.
Read guide →Quick answers
Concise answers first; source details stay visible elsewhere on the page.
Modernize reports a national average of $1,047 per window in its 2026 dataset, while other datasets show wider ranges. Use that figure as a benchmark rather than a guaranteed quote.
Angi's 2026 guide lists typical labor at about $100–$300 per window for standard replacement work, with complex jobs potentially costing more.
ENERGY STAR reports average savings of up to 13% on household energy bills in the stated single-pane replacement comparison, but real savings vary by climate, home and installation.
For insulation, yes: NFRC describes a lower U-Factor as better at keeping heat from escaping.