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Calculate your potential savings from new energy-efficient windows in Seattle, WA.
Climate: 4,981 HDD / 2,481 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
$604
/year
Project Cost
$8,400
installed
Payback Period
13.9 years
to break even
25-Year Savings
$6,700
net lifetime
Environmental Impact
Reduce your carbon footprint by 3,969 lbs CO₂ per year — equivalent to planting 83 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 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 98139
Average costs in Seattle
Typical homes in 98139
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
Windows service calls in Seattle, WA typically range from $460 to $610 for standard repairs. Emergency service is available 24/7 at approximately $765.
Yes, most windows work in Seattle County requires a permit. The average permit cost is $150. Our licensed contractors handle all permit requirements.
Our network of 21+ licensed contractors in the Seattle area offers average response times of 66 minutes. Emergency service is available 24/7.