Energy-Efficient Window Replacement in Las Vegas, NV
Your complete guide to Nevada energy codes, climate zone requirements, and window installation
Quick Facts: Las Vegas Window Replacement
Average Costs
- • Full installation: $450-1,200 per window
- • Double-pane: $400-800
- • Typical time: 1-2 weeks for custom, 3-5 days for standard
Energy Requirements
- • Climate zone: IECC Zone 3B (Hot-Dry)
- • U-factor: U-0.40 or lower for residential windows
- • 50+ NFRC-certified installers
Las Vegas's Hot Desert Climate & Energy Needs
Summer Average
104°F (40°C)
Winter Average
57°F (14°C)
Heating Days
2,600
Cooling Days
4,300
Climate Zone: IECC IECC Zone 3B (Hot-Dry)
Climate Challenges for Windows
- ▸Extreme solar heat gain requires low-E glass
- ▸Desert UV exposure degrades window seals faster
- ▸Thermal stress from 60°F+ temperature swings
- ▸Dust infiltration through aging seals
- ▸AC costs drive need for energy-efficient windows
- ▸West-facing windows especially vulnerable to heat
Nevada Energy Code Requirements
Energy Code
Nevada adopts IECC 2018 with amendments
U-Factor Requirement
Windows must meet U-0.40 or lower for residential windows maximum. Lower is better for insulation.
Solar Heat Gain (SHGC)
SHGC 0.25 or lower in hot-dry climate to reduce cooling costs.
Permits
Nevada requires building permits for window replacement. Installer should handle permits and inspections.
Frequently Asked Questions
How much does window replacement cost in Las Vegas?
Full installation: $450-1,200 per window per window. Double-pane glass: $400-800. Pricing depends on size, type, and energy ratings required by IECC Zone 3B (Hot-Dry).
What are common window problems in Las Vegas?
- Seal failure from extreme temperature cycling
- Condensation between double-pane glass layers
- UV damage to window films and tints
- Thermal stress cracks
Should I choose double-pane or triple-pane?
Double-pane Low-E typically sufficient for Las Vegas (2600 heating days). Triple-pane optional for north-facing windows.