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
Lower Energy Bills
New windows reduce heating and cooling costs year-round in Maryland's climate
Enhanced Security
Modern locks and reinforced frames protect your Baltimore or Harford County home
Increased Home Value
Quality windows deliver strong ROI for Maryland homeowners
Improved Curb Appeal
Fresh windows transform your home's exterior appearance
Low Maintenance
Vinyl and fiberglass windows never need painting or scraping
Our Window Replacement Process
From consultation to completion in Baltimore and Harford County
Free In-Home Consultation
We visit your Baltimore or Harford County home to measure and discuss options
Custom Quote
Transparent pricing with no hidden fees. Energy savings estimates included
Professional Installation
Factory-trained crews complete most projects in 1-3 days
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:
Window size and style: Bay, bow, and picture windows cost more than double-hung or casement
Frame material: Vinyl is most affordable; wood and fiberglass cost more
Glass options: Triple-pane, Low-E coatings, and argon gas add to energy efficiency and cost
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.
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.






