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10 Best Window Replacement Companies in Potomac, MD

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Written By David Cusick

Last Updated April 2024

Replacing your windows can be expensive, but is an excellent way to improve your home's energy efficiency and its value. In Potomac, you could save around $294 a year on your energy bills by replacing your windows. Drafty or damaged windows can lower your home’s energy efficiency by up to 30%, according to the Department of Energy. Choosing a window installer can be tough, which is why we've compiled a guide to the top window installation companies in Potomac.

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Top 10 Best Window Replacement Companies in Potomac

Renewal by Andersen of the Capital Region

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5081 Nicholson Ln, North Bethesda, MD 20852 (301) 816-3221 renewalbyandersen.com

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

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

Champion Replacement Windows of Baltimore

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

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Free assessment

Good customer service

Services Offered

Glass doors
Double-hung
Bay windows
Window replacement/installation

Window World of Washington DC

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4116 Walney Rd Suite J, Chantilly, VA 20151 (703) 378-7999 windowworlddc.com

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Price transparency

Timely service

Educational website

Good customer service

Services Offered

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

Window Replacement DC - Reston

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1890 Preston White Dr #383, Reston, VA 20191 (702) 703-3190 window-replacement-dc.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Storm/impact windows
Skylights
Vinyl frames
Glass doors
Custom window designs
Window replacement/installation
Glass showers
Double-hung
Energy-efficient options
Glass repair
Wood frames
Fiberglass frames
Mirrors
Bay windows
Window repair

Window Replacement DC - Tysons

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7901 Jones Branch Dr #619, Tysons, VA 22102 (702) 553-3278 window-replacement-dc.com

Educational website

Price transparency

Good customer service

Free assessment

Services Offered

Wood frames
Energy-efficient options
Fiberglass frames
Storm/impact windows
Window replacement/installation
Mirrors
Glass doors
Glass repair
Vinyl frames
Glass showers
Bay windows
Window repair
Double-hung
Custom window designs
Skylights

Safety Window Glass Repair LLC

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7529 Spring Lake Dr Unit C1, Bethesda, MD 20817 (202) 460-8860 safetywindowglassrepair.com

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

Window replacement/installation
Window repair
Double-hung
Triple pane glass
Custom glass
Energy-efficient options
Skylights
Glass showers
Bay windows
Glass doors
Tempered glass
Mirrors
Glass repair

Glaze Replace

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1483 Chain Bridge Rd suite 206, McLean, VA 22101 (571) 556-4200 mcleanwindowreplacement.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

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

Pella Windows & Doors of Tysons Corner

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8150 Leesburg Pike Suite 140, Vienna, VA 22182 (301) 354-3689 pellabranch.com

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

Glass doors
Wood frames
Vinyl frames
Double-hung
Window replacement/installation

Pella Windows & Doors of Gaithersburg

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202 Perry Pkwy Suite 6, Gaithersburg, MD 20877 (202) 810-6722 pellabranch.com

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

Wood frames
Double-hung
Window replacement/installation
Glass doors

Window and Door Showplace Inc

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6832 Old Dominion Dr Suite 103, McLean, VA 22101 (703) 506-3650 wdshowplace.com

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Price transparency

Educational website

Timely service

Good customer service

Services Offered

Double-hung
Glass doors
Bay windows
Window replacement/installation
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 Potomac?

Window installation and replacement costs will be influenced by several factors, including the materials you choose, how difficult your windows are to access or install, and the number and size of the windows. On average, homeowners in Potomac should expect to spend about $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

Adding new energy-efficient windows can greatly increase your home's insulation, noise reduction, value, appearance, and comfort. Signs that it's time to invest in new windows include the following:

  • Windows that are difficult to open, close, and lock properly due to wear and age.
  • Cold air and drafts leaking in from old, loose-fitting windows.
  • Fogging between window panes, condensation issues, or rotting window frames that let in moisture.
  • Outdated and inefficient window styles that detract from your house's curb appeal.
  • High energy bills and a chilly house from poor window insulation.

How To Choose a Window Company

Finding a truly qualified window installer is critical to a successful project. Below, we cover the most important considerations when it comes to making your selection.

Experience

Make sure you hire a seasoned local installer with a proven track record of successfully installing and replacing windows. Providers that have served Potomac for years are more likely to understand the local climate and local homeowners' needs. Get references from recent clients to confirm a company provides quality installations.

Certifications

Select an installer that is certified by major window brands and groups like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor is trained in window installation best practices. Confirm that installers are staff rather than subcontractors, and verify that any technicians working on your home are certified.

Reputation

Spend time reading through online reviews, verifying with the Better Business Bureau (BBB), and asking for local references. Review customer feedback to make sure that the company regularly provides good workmanship and customer service. Avoid companies with complaints of poor work or unfinished jobs.

Process

The highest-quality window installers will supply a comprehensive project plan and schedule, clear expectations, and an overview of material and installation options. Avoid companies that offer unclear quotes or timelines that don't provide specifics upfront. Look for ongoing contact throughout to avoid surprises later in the project.

Warranties

Seek out window companies that offer assurances on their installations, and that provide warranties on products and labor. This demonstrates faith in their work. Also seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Ensure that a company works with durable, energy-efficient window brands that fit your budget. Look for design flexibility, good energy ratings, and enhanced UV protection. Confirm the window materials have their own manufacturer warranties as well.

Frequently Asked Questions About Window in Potomac, MD

The ideal time to install windows in Potomac is when temperatures are moderate, generally in the spring or fall. These conditions allow professionals to do their work without having to worry about extreme temperatures.

The best type of replacement window for your Potomac home will depend on your home's age, as well as your personal style and budget. You'll want to consider the style of your home — such as if it's older — so your new windows match. Wood windows can provide a classic look and appearance, while vinyl windows tend to be popular in newer homes. Fiberglass-framed windows are also a popular choice, since they are energy efficient and durable.

You can save money on window installation by going with a less expensive option like single-hung windows with vinyl frames. These have lower costs compared to other kinds of windows like fiberglass, wood, or double-hung windows.

The typical window installation process can take anywhere from a day and a half to two days, depending on the size and number of windows being replaced. This includes removing the old windows, taking measurements for the new windows, putting in the new windows, and caulking them in place. On average, it takes about 30 minutes to install each window.

In some cases, you can replace your own windows, but it's recommended to hire a professional. It's important to consider the local climate when replacing windows, as it will impact the process. For example, the temperatures in Potomac can reach an average high of 63, so you need to consider energy-efficient windows that can protect from the heat. It's also important to measure correctly and follow the instructions for installation. Hiring a professional for your window replacement project will guarantee that everything is installed correctly.

After window installation, it's important to check for any air leaks and make sure the windows are properly sealed. You should also clean the windows at least once a year to prevent debris from building up and causing damage. Additionally, if you live in an area with a lot of rainfall, you should inspect the window sills and frames once a year to ensure that the seals are not deteriorating or breaking.

Yes, many window companies provide financing options for their customers. Some installers offer low-interest or no-interest loans, although you may not qualify if your income is on the higher end, while other companies offer unique financing plans with terms and conditions that vary depending on the project.

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