Window Replacement in Baltimore & Harford County, MD

Energy-efficient windows that lower your bills and increase your home's value. Serving Maryland homeowners for over 40 years. Call (410) 679-1032.

Professional Window Installation for Maryland Homes

KA1 Enterprises has replaced thousands of windows across Baltimore County and Harford County since 1981. Our factory-trained installers handle everything from bay windows to picture windows, with energy-efficient options that meet Maryland's climate demands.


Serving: Baltimore, Towson, Bel Air, Abingdon, Forest Hill, Fallston, Timonium, Perry Hall, White Marsh, Dundalk, Essex, Middle River, Edgewood, Aberdeen, Havre de Grace, Jarrettsville, Joppa, Churchville, Cockeysville, Hunt Valley, Owings Mills, Catonsville, Pikesville, and Reisterstown.

Why Replace Your Windows?

Benefits Maryland homeowners see from new windows

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Lower Energy Bills

New windows reduce heating and cooling costs year-round in Maryland's climate

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Enhanced Security

Modern locks and reinforced frames protect your Baltimore or Harford County home

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Increased Home Value

Quality windows deliver strong ROI for Maryland homeowners

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Improved Curb Appeal

Fresh windows transform your home's exterior appearance

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Low Maintenance

Vinyl and fiberglass windows never need painting or scraping

Our Window Replacement Process

From consultation to completion in Baltimore and Harford County

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Free In-Home Consultation

We visit your Baltimore or Harford County home to measure and discuss options

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Custom Quote

Transparent pricing with no hidden fees. Energy savings estimates included

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Professional Installation

Factory-trained crews complete most projects in 1-3 days

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Final Walkthrough

We inspect every window and ensure you're 100% satisfied

Window Replacement Cost

Window replacement costs in Baltimore and Harford County typically range from $400 to $1,200 per window installed, depending on:

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Window size and style: Bay, bow, and picture windows cost more than double-hung or casement

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Frame material: Vinyl is most affordable; wood and fiberglass cost more

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Glass options: Triple-pane, Low-E coatings, and argon gas add to energy efficiency and cost

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Custom features: Grids, colors, and hardware upgrades

Every quote includes removal, disposal, installation, and cleanup. No hidden fees. Contact us for a free, no-pressure estimate for your Maryland home.

Recent Window Projects

Quality window installations across Baltimore and Harford County

Ready for New Windows?

Free consultation at your Baltimore or Harford County home. Call (410) 679-1032 or request a quote.

Serving Baltimore & Harford County Communities

We're proud to serve homeowners throughout Baltimore County and Harford County with professional window replacement services.

Baltimore County:

Baltimore

Towson

Timonium

Perry Hall

White Marsh

Dundalk

Essex

Middle River

Harford County:

Bel Air

Abingdon

Forest Hill

Fallston

Edgewood

Aberdeen

Havre de Grace

Jarrettsville

Also Serving:

Joppa

Churchville

Cockeysville

Hunt Valley

Owings Mills

Catonsville

Pikesville

Reisterstown

Frequently Asked Questions

Common questions about window replacement in Maryland

How long does window replacement take in Maryland?

Most homes in Baltimore and Harford County take 1-3 days depending on the number of windows. We handle permits and work around your schedule.

What's the best time of year for window replacement?

We install year-round in Maryland, but spring and fall offer the most comfortable weather. Winter and summer installations are done quickly to minimize temperature changes.

Do I need permits in Baltimore or Harford County?

Most window replacements don't require permits when replacing existing windows with similar sizes. We handle all permit requirements if needed.

What window brands do you install?

We install premium vinyl and fiberglass windows from trusted manufacturers with strong warranties and Energy Star ratings for Maryland.

How much do new windows cost?

Costs vary based on size, style, and features. Most Baltimore and Harford County projects range from $400-$1,200 per window installed. We provide detailed quotes with no pressure.

Will new windows reduce my energy bills?

Yes. Energy-efficient windows can reduce heating and cooling costs by 15-30% in Maryland's climate with hot summers and cold winters.

What's your warranty?

Manufacturer warranties cover materials for 20 years to lifetime. Our workmanship warranty covers installation for 5 years.

Do you remove old windows?

Yes. We remove, haul away, and properly dispose of all old windows. Your home is left clean after every project.

Get Your Free Window Replacement Quote

Serving Baltimore and Harford County for over 40 years. Licensed, insured, and ready to help.

Also explore our Sunrooms & Awnings and Door Replacement services.