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10 Best Window Replacement Companies in Frederick, MD

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Written By David Cusick

Last Updated April 2024

Windows play an important role in your house's appearance and energy efficiency. Upgrading your windows is a great way to increase the value of your home. If your windows are outdated or damaged, 25–30% of your home’s heat or cool air could be leaking out, according to the Department of Energy. In Frederick, this can add up to an extra $376 a year on your power bills. Picking a window installer can be difficult, which is why we've put together a list of the best window installers in Frederick.

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Top 10 Best Window Replacement Companies in Frederick

Renewal by Andersen of Capital Region - Sterling

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45449 E Severn Way #149, Sterling, VA 20166 (703) 204-4595 renewalbyandersen.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

Bay windows
Glass doors
Double-hung
Window replacement/installation
Skylights

Champion Replacement Windows of Baltimore

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23 Fontana Ln, Rosedale, MD 21237 (410) 202-8636 championwindow.com

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Price transparency

Good customer service

Services Offered

Double-hung
Bay windows
Glass doors
Window replacement/installation

Window World of Frederick County

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8415 Progress Drive Suites A-C, Frederick, MD 21701 (301) 663-0699 windowworldfrederickmd.com

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Price transparency

Good customer service

Educational website

Services Offered

Bay windows
Glass doors
Window replacement/installation
Energy-efficient options
Vinyl frames
Double-hung

R&H Glazing Inc

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7822 Wormans Mill Rd suite f, Frederick, MD 21701 (240) 998-8276 frederickwindowreplacement.com

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

Custom window designs
Double-hung
Window repair
Vinyl frames
Energy-efficient options
Glass doors
Bay windows
Window replacement/installation
Pocket windows

Glass & Mirror Services, Inc.

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5740 Industry Ln, Frederick, MD 21704 (301) 662-0026 glassandmirrorservices.com

Good customer service

Free assessment

Price transparency

Services Offered

Mirrors
Glass showers
Glass repair
Energy-efficient options
Metal frames
Custom glass
Window replacement/installation

C3 American Exteriors

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5070 Old Bartholows Rd, Mt Airy, MD 21771 (410) 709-6596 c3america.com

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

Fiberglass frames
Energy-efficient options
Window replacement/installation

Tnt Service Group Inc

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3958 Dartmouth Ct A, Frederick, MD 21703 (301) 874-8400 tntservicesgroup.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Window replacement/installation

Affordable Glass Inc

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13503 Blue Mountain Rd, Thurmont, MD 21788 (240) 288-8070 affordableglassmd.com

Good customer service

Price transparency

Free assessment

Services Offered

Glass showers
Window repair
Window replacement/installation
Glass repair
Glass doors
Energy-efficient options
Mirrors

MDVA Windows

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12828 Clarksburg Square Rd UNIT 304, Clarksburg, MD 20871 (240) 887-2908 mdvawindows.com

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Good customer service

Price transparency

Services Offered

Window repair
Window replacement/installation
Glass doors

Window Expert

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19420 Ridgecrest Dr, Germantown, MD 20874 (240) 774-2060 germantownwindowreplacement.com

Good customer service

Timely service

Educational website

Price transparency

Free assessment

Services Offered

Window repair
Window replacement/installation
Energy-efficient options
Glass doors
Custom window designs
Bay windows
Double-hung
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Frederick?

Window installation and replacement costs will be influenced by a number of factors, including how difficult your windows are to access or install, the number and size of the windows, and the materials you choose. On average, homeowners in Frederick will spend roughly $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Installing new energy-efficient windows can substantially boost your home's noise reduction, insulation, appearance, comfort, and value. Some clear signs it's time to invest in new windows include the following:

  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.
  • A chilly house and high energy bills from poor insulation.
  • Outdated and inefficient window styles that take away from your house's curb appeal.
  • Cold air and drafts leaking in from old, loose-fitting windows.
  • Windows that are hard to close, open, or lock properly due to age and wear.

How To Choose a Window Company

Choosing a window installer with the proper qualifications helps ensure a smooth installation. We explain the most important considerations for selecting a qualified provider below.

Experience

Look for well-established local companies with a long track record of experience successfully installing all types of windows. These providers are more likely to have a deep knowledge of Frederick's climate and local homeowner needs. Ask for references from recent clients to confirm the quality of a company's work.

Certifications

Choose companies that have certifications from top window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Having certification shows they've received proper training in installation best practices. Make sure installers are staff rather than subcontractors, and confirm the technicians doing your job are certified.

Reputation

Read through online customer feedback, check the Better Business Bureau (BBB), and ask for local references. Review customer feedback to make sure that the company consistently provides quality work and good customer service. Avoid contractors that have complaints of shoddy work or unfinished jobs.

Process

A good provider will give you a detailed project plan, reasonable timeline, clear expectations, and an overview of all material and installation options. Avoid providers that offer unclear quotes or timelines. Ask for consistent contact throughout the process, so you aren't caught off guard later on.

Warranties

Look for window installers that back their installations with guarantees, and that provide warranties on materials and labor. This demonstrates confidence in their work. Also seek out unlimited lifetime warranties that can transfer to new homeowners.

Materials

Confirm that your window provider offers durable, long-lasting windows and leading energy-efficient window bands that fall within your budget. Research choices with good energy ratings, enhanced UV protection, and design flexibility, and verify that the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Frederick, MD

In Frederick, the best time to install windows is during the late fall when the temperature is milder, so the windows can fit and settle properly. A professional local window installer in Frederick will be able to tell you when the best time is to install windows on your home.

The best type of replacement windows for your Frederick home depends on the year your home was built –the average house in Frederick was built around 1988. If your home was built a while ago, you may want to consider energy-efficient windows such as double-glazed windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For more modern homes, you might want to think about vinyl windows, which are durable, affordable and have a modern look.

You can save money on your window installation by choosing a budget option like single-hung vinyl windows. These come at a lower cost compared to more expensive windows like double-hung, fiberglass, or wood windows.

If your area has lower than average energy costs, it may not be necessary to replace all your windows at once. Replacing all your windows at once can significantly improve your home's overall energy-efficiency, and could save you money on your energy bills over time. This is especially beneficial in a place like Frederick, where energy costs tend to be high.

After window installation, it's important to make sure that the windows are properly sealed and to check for any air leaks. You should also wash the windows regularly to prevent debris from building up and leading to damage. Additionally, if you live in an area with a lot of rainfall, you should check the window sills and frames regularly to make sure that the seals are not deteriorating or cracking.

Window replacement companies in Frederick typically offer many services, including installation, fixing windows, window maintenance, cleaning, window tinting, and weatherproofing.

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