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Calculate your potential savings from new energy-efficient windows in San Marcos, TX.
Climate: 1,000 HDD / 3,500 CDD
Standard window: 12-15 sq ft, Large picture window: 25-40 sq ft
U-Factor: 1.2
U-Factor: 0.3 • Energy Star Eligible
Annual Savings
$365
/year
Project Cost
$8,400
installed
Payback Period
23 years
to break even
25-Year Savings
$725
net lifetime
Environmental Impact
Reduce your carbon footprint by 2,398 lbs CO₂ per year — equivalent to planting 50 trees annually.
Federal Tax Credit Available
Energy Star windows qualify for up to $600 in federal tax credits (30% of cost, up to $600). This could reduce your payback period by 1.6 years.
Savings estimates based on U.S. Department of Energy calculations and local climate data. Actual savings vary based on home insulation, HVAC efficiency, and usage patterns. Professional energy audit recommended for accurate projections.
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ASHRAE design conditions for 00004
Average costs in San Marcos
Typical homes in 00004
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
Windows service calls in San Marcos, TX typically range from $310 to $460 for standard repairs. Emergency service is available 24/7 at approximately $540.
Yes, most windows work in San Marcos County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 15+ licensed contractors in the San Marcos area offers average response times of 45 minutes. Emergency service is available 24/7.