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Calculate your potential savings from new energy-efficient windows in Honolulu, HI.
Climate: 4,968 HDD / 2,468 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
$602
/year
Project Cost
$8,400
installed
Payback Period
14 years
to break even
25-Year Savings
$6,650
net lifetime
Environmental Impact
Reduce your carbon footprint by 3,956 lbs CO₂ per year — equivalent to planting 82 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 96819
Average costs in Honolulu
Typical homes in 96819
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
Windows service calls in Honolulu, HI typically range from $342 to $492 for standard repairs. Emergency service is available 24/7 at approximately $588.
Yes, most windows work in Honolulu County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.
Our network of 33+ licensed contractors in the Honolulu area offers average response times of 53 minutes. Emergency service is available 24/7.