Energy-Efficient Window Replacement in Minneapolis, MN
Your complete guide to Minnesota energy codes, climate zone requirements, and window installation
Quick Facts: Minneapolis Window Replacement
Average Costs
- • Full installation: $430-1,120 per window
- • Double-pane: $380-750
- • Typical time: 2-4 weeks (winter delays common)
Energy Requirements
- • Climate zone: IECC Zone 6A (Cold-Humid)
- • U-factor: U-0.30 or lower for residential windows
- • 80+ NFRC-certified installers
Minneapolis's Humid Continental (Very Cold) Climate & Energy Needs
Summer Average
83°F (28°C)
Winter Average
13°F (-11°C)
Heating Days
7,800
Cooling Days
800
Climate Zone: IECC IECC Zone 6A (Cold-Humid)
Climate Challenges for Windows
- ▸Extreme winter cold (-20°F to -30°F) requires premium insulation
- ▸Very high heating costs drive energy-efficient upgrades
- ▸High humidity increases condensation risks
- ▸Ice damming and severe winter weather damage
- ▸Short installation season (weather constraints)
- ▸Moisture infiltration from freeze/thaw cycles
Minnesota Energy Code Requirements
Energy Code
Minnesota adopts IECC 2018 with amendments
U-Factor Requirement
Windows must meet U-0.30 or lower for residential windows maximum. Lower is better for insulation.
Solar Heat Gain (SHGC)
No specific SHGC requirement to reduce cooling costs.
Permits
Minnesota requires building permits for window replacement. Installer should handle permits and inspections.
Frequently Asked Questions
How much does window replacement cost in Minneapolis?
Full installation: $430-1,120 per window per window. Double-pane glass: $380-750. Pricing depends on size, type, and energy ratings required by IECC Zone 6A (Cold-Humid).
What are common window problems in Minneapolis?
- Severe condensation and ice buildup in winter
- Seal failure from extreme cold and humidity
- Ice damming damaging window frames
- Water infiltration during spring thaw
Should I choose double-pane or triple-pane?
Triple-pane recommended for Minneapolis's cold climate (7800 heating days). Cuts heating costs 20-30%.