Window Replacement Cost in Chicago, IL
Updated for 2025 • Climate Zone 5A (Cool-Humid) • Labor rates 15% above national average
Low Estimate
$345
per unit
Average Cost
$747
per unit
High Estimate
$1,380
per unit
Chicago labor costs are 15% above the national average
Window Replacement in Chicago: What You Need to Know
Chicago falls in Climate Zone 5A (Cool-Humid), which insulation value (u-factor) is the priority. Understanding these local factors helps you make better decisions about materials and timing.
U-Factor Critical
Low U-factor (0.25 or lower) essential. Triple pane worth considering.
Solar Gain Welcome
Higher SHGC on south windows captures free solar heat in winter.
Air Sealing
Quality installation prevents cold drafts. Biggest comfort impact.
✓ Recommended for Chicago
- • Triple Pane (or premium double)
- • U-Factor ≤0.25
- • Higher SHGC South
✗ Not Recommended
- • Single Pane
- • High U-Factor
- • Poor Installation
Best time for this project in Chicago: Spring - fall
Calculate Your Window Replacement Cost in Chicago
Estimate Your Window Replacement Cost
Your Estimated Cost
Low
$3,300
Average
$7,150
High
$13,200
Slightly above national average
Standard material
Estimates are for planning purposes. Actual costs vary by project specifics, contractor, and market conditions.
How We Calculate Chicago Prices
- • Base national average: $650/unit
- • Chicago labor index: 1.15x (15% above national)
- • Adjusted base: $747/unit
- • + Material selection multiplier
Best Window Replacement Options for Chicago's Climate
Vinyl Double-Hung
Standard option
$747/unit
Vinyl Casement
Standard option
$822/unit
Wood
Standard option
$1,345/unit
Fiberglass
Standard option
$1,195/unit
Aluminum
Standard option
$896/unit
Window Replacement FAQs for Chicago Homeowners
In Chicago's Climate Zone 5A, the best time for window replacement projects is Spring - fall. This timing helps ensure optimal conditions for installation and material performance.