How much can I save with new windows in Wilmington, DE?

Energy-efficient windows can save homeowners in Wilmington, DE 10-25% on annual energy costs. With 4198 heating degree days and 1698 cooling degree days annually, quality windows make a significant difference.

What windows are best for the Delaware climate?

For homes in Wilmington, DE, we recommend double or triple-pane windows with low-E coating. Given your climate (design temps: 23°F winter, 98°F summer), Energy Star certified windows provide the best performance and potential rebate eligibility.

Wilmington, DE 19803

Windows Services in 19803

Professional windows services for Wilmington, Delaware. Licensed contractors serving ZIP code 19803 and surrounding areas.

Avg. Service Cost

$432

Avg. Response

63 min

Design Temp

98°F

Building Code

2018

Window Energy ROI Calculator

Calculate your potential savings from new energy-efficient windows in Wilmington, DE.
Climate: 4,198 HDD / 1,698 CDD

Number of Windows

Average Window Size (sq ft)

15 ft²

Standard window: 12-15 sq ft, Large picture window: 25-40 sq ft

Current Window Type

U-Factor: 1.2

Upgrade To

U-Factor: 0.3 • Energy Star Eligible

Frame Material

Annual Energy Bill ($)

$2,400

Your Savings Estimate

Annual Savings

$478

/year

Project Cost

$8,400

installed

Payback Period

17.6 years

to break even

25-Year Savings

$3,550

net lifetime

Environmental Impact

Reduce your carbon footprint by 3,141 lbs CO₂ per year — equivalent to planting 65 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 1.3 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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Windows Data for 19803

Climate Data

ASHRAE design conditions for 19803

Summer Design Temp98°F

Winter Design Temp23°F

Heating Degree Days4,198

Cooling Degree Days1,698

Annual Rainfall53"

Local Pricing

Average costs in Wilmington

Standard Service Call$432

Emergency Service$648

Permit Cost (avg)$75

Market Demandhigh

Housing Stats

Typical homes in 19803

Avg Home Size1,798 sq ft

Avg Home Age68 years

Median Value$448,000

Building Code2018

Energy CodeIECC 2021

Available Rebates for 19803

Federal Energy Efficiency Tax Credit

federal incentive • Expires 2032-12-31

Up to $2,000

Frequently Asked Questions

How much does windows service cost in Wilmington?

Windows service calls in Wilmington, DE typically range from $382 to $532 for standard repairs. Emergency service is available 24/7 at approximately $648.

Do I need a permit for windows work in 19803?

Yes, most windows work in Wilmington County requires a permit. The average permit cost is $75. Our licensed contractors handle all permit requirements.

How quickly can I get service in 19803?

Our network of 38+ licensed contractors in the Wilmington area offers average response times of 63 minutes. Emergency service is available 24/7.

Nearby Landmarks We Serve

Wilmington Community CenterWilmington High SchoolDowntown Wilmington

Ready for Windows Service in 19803?

Connect with licensed windows contractors serving Wilmington, DE. Available 24/7 for emergencies.