Window Replacement Cost in Connecticut
Updated for 2025 • Climate Zone 5A • Labor costs 20% above national average
Low
$360
Average
$780
High
$1,440
per unit • 20% above national average
Window Replacement in Connecticut: What You Need to Know
Connecticut 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 Connecticut
- • 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 Connecticut: Spring - fall
Calculate Your Window Replacement Cost in Connecticut
Estimate Your Window Replacement Cost
Your Estimated Cost
Low
$3,600
Average
$7,800
High
$14,400
Slightly above national average
Standard material
Estimates are for planning purposes. Actual costs vary by project specifics, contractor, and market conditions.