The Best Window Installers in Frederick, MD

Compare the highest-rated windows professionals in Frederick, Maryland. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Thompson Creek Window Company

4.8
(1 reviews)
Verified

A leading home improvement provider in the Mid-Atlantic region, Thompson Creek is known for its high-quality, energy-efficient window solutions and professional installation services. They manufacture their own windows, allowing for quality control and custom solutions. Their strength lies in a comprehensive process from consultation to installation, backed by strong warranties.

7950 Cessna Ave, Gaithersburg, MD 20879 (Serves Frederick extensively)

Specialties & Features

Energy-efficient windows
Custom window solutions
New window installation

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Frederick Door and Window

4.7
(180 reviews)
Verified

A locally owned and operated company highly focused on the Frederick community. They have built a strong reputation for personalized service, window repair, and replacement. They are authorized dealers for major brands like Andersen and Pella, offering a range of products from standard replacements to high-end custom options.

7839 Wormans Mill Rd, Frederick, MD 21701

Specialties & Features

Residential window replacement
Window repair services
Custom window solutions

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Renewal by Andersen of Central Maryland

4.7
(450 reviews)
Verified

As the local branch of the national Renewal by Andersen franchise, this provider specializes exclusively in high-performance, custom-made composite windows. They are a premium service known for their full-service offering—from in-home consultation to professional installation and cleanup. Their windows are renowned for durability and energy efficiency.

8177 Lark Brown Rd # 201, Elkridge, MD 21075 (Serves the Frederick area)

Specialties & Features

Custom window solutions
Energy-efficient windows
New window installation

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

Why These Are the Top Windows Contractors in Frederick

** The window replacement and installation market in Frederick, Maryland, is robust and competitive, characterized by a mix of large regional powerhouses and dedicated local contractors. The quality of service is generally high, with companies emphasizing energy efficiency due to Maryland's varying climate, which features cold winters and hot, humid summers. This drives demand for double-pane, Low-E glass, and argon gas-filled windows to improve home comfort and reduce utility costs. Competition is strong, which benefits consumers through competitive pricing and a focus on customer service. However, it also means homeowners should perform due diligence on licensing and insurance. Typical pricing for a full window replacement on an average home can range widely from **$7,000 to $20,000+**, heavily dependent on the window brand (e.g., Andersen, Pella, Marvin), the quality of materials (vinyl, composite, wood), the number of windows, and the complexity of the installation. Repair services are a significant part of the market, offered by local specialists like Frederick Door and Window, providing a cost-effective alternative to full replacement.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Frederick regulations and climate

Frequently Asked Questions About Windows in Frederick

Get answers to common questions about windows services in Frederick, Maryland.

1What is the typical cost range for a full home window replacement in Frederick, MD?

For a standard-sized, single-family home in Frederick, a full window replacement typically ranges from $10,000 to $25,000, depending on the number of windows, materials (vinyl, wood, composite), and energy efficiency features. Prices are influenced by regional labor costs and the specific architectural styles common in Frederick's historic districts, which may require custom sizing. We always recommend getting 3-4 detailed, in-home estimates from local, licensed contractors for the most accurate quote.

2How does Frederick's climate impact the type of windows I should choose?

Frederick experiences hot, humid summers and cold winters with occasional heavy snow, making energy efficiency paramount. We recommend windows with a low U-factor for insulation and a low Solar Heat Gain Coefficient (SHGC) to block summer heat. Double-pane, Low-E argon-filled windows are the standard recommendation to manage these seasonal extremes, reduce energy bills, and improve home comfort year-round.

3Do I need a permit for window replacement in Frederick, and are there historic district rules?

Yes, a building permit from the City of Frederick is generally required for window replacement, especially if the rough opening is altered. If your home is in the Frederick Historic District, you must also obtain a Certificate of Approval from the Historic Preservation Commission, which regulates the style, materials, and appearance of windows to maintain architectural integrity. Always verify with your installer that they will handle all necessary local permits.

4What is the best time of year to schedule window installation in this area?

While installation can be performed year-round, the ideal windows in Frederick are late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for the installation process and sealing. Scheduling during these shoulder seasons also helps you avoid the busy summer rush and ensures your new windows are in place before the peak heating and cooling seasons.

5What should I look for when choosing a window installation company in Frederick County?

Prioritize companies that are licensed, insured, and have strong local references. Look for installers experienced with Maryland's building codes and Frederick's specific historic district guidelines if applicable. A reputable provider will offer a robust warranty on both the product and their labor, and they should conduct a thorough in-home assessment—not just a phone quote—to account for any structural nuances of older homes common in the area.