Maryland's climate—with hot, humid summers and cold winters—demands windows that perform year-round. The right energy-efficient windows can significantly reduce your heating and cooling costs while improving comfort.

Energy Savings

15-35%

reduction in energy bills

Tax Credits

Up to 30%

federal tax credit available

Comfort

Year-Round

consistent temperatures

Window Comparison for Maryland

Double-Pane Vinyl

$300-500/window

U-Factor: 0.25-0.30

Savings: 15-25%

Best for: Budget-conscious homeowners

Triple-Pane Vinyl

$500-800/window

U-Factor: 0.15-0.20

Savings: 25-35%

Best for: Cold climate performance

Double-Pane Fiberglass

$500-800/window

U-Factor: 0.25-0.30

Savings: 20-30%

Best for: Durability and low maintenance

Double-Pane Wood

$600-1200/window

U-Factor: 0.25-0.35

Savings: 15-25%

Best for: Historic homes and aesthetics

What to Look For

Energy Star certified: Look for windows certified for the Northern climate zone
Low-E coating: Reflects heat while allowing light through
Argon gas fill: Better insulation than air between panes
Low U-factor: Lower numbers mean better insulation (aim for 0.30 or below)
Low SHGC: Solar Heat Gain Coefficient of 0.25-0.40 balances light and heat

2025 Tax Credits

The Inflation Reduction Act provides a 30% federal tax credit (up to $600) for Energy Star certified windows. Maryland also offers rebates through BGE and Pepco for energy efficiency improvements.

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Energy Efficient Windows for Maryland Homes