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Calculate your potential savings from new energy-efficient windows in Cambridge, MA.
Climate: 4,021 HDD / 1,521 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
$449
/year
Project Cost
$8,400
installed
Payback Period
18.7 years
to break even
25-Year Savings
$2,825
net lifetime
Environmental Impact
Reduce your carbon footprint by 2,950 lbs CO₂ per year — equivalent to planting 61 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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ASHRAE design conditions for 02140
Average costs in Cambridge
Typical homes in 02140
Federal Energy Efficiency Tax Credit
federal incentive • Expires 2032-12-31
Up to $2,000
Windows service calls in Cambridge, MA typically range from $460 to $610 for standard repairs. Emergency service is available 24/7 at approximately $765.
Yes, most windows work in Cambridge County requires a permit. The average permit cost is $150. Our licensed contractors handle all permit requirements.
Our network of 36+ licensed contractors in the Cambridge area offers average response times of 66 minutes. Emergency service is available 24/7.