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Certified Best Pick®
Companies with this badge have met the qualification criteria for Best Pick certification and are backed by the Best Pick Guarantee.
13th year as a Best Pick
Best Pick Guaranteed Licensed Insured Workers' Comp
We use the finest-quality materials and labor in every job, and we complete each project as if we were working on our own homes. In short, we are an owner-operated, friendly, hardworking company that will stand behind our work 100 percent.

American Windows & Siding installs vinyl, wood, fiberglass, and bay windows; sliding, French, and front doors; and siding for residential and commercial customers.
301-485-7608
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13th year as a Best Pick
Best Pick Guaranteed Licensed Insured Workers' Comp
Our goal is always 100 percent total customer satisfaction. We eliminate the middleman by manufacturing the windows ourselves. We are completely accountable to our customers from their initial inquiry to project completion, and it's backed by 43 years in business and our No-Hassle Warranty and Buyer Protection Guarantee.

Thompson Creek Window Company designs, builds, and installs replacement windows in a variety of styles developed specifically for the mid-Atlantic climate.
301-485-7599
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12th year as a Best Pick
Best Pick Guaranteed Licensed Insured Workers' Comp
We offer premium windows and doors specifically designed for the DC climate. All products are installed by highly skilled professionals and are covered by one of the most comprehensive warranties in the industry. We're best known for the attention we pay to every detail.

Window Nation installs custom vinyl windows and doors for residents of Northern Virginia, Maryland, DC, Northern Delaware, Pennsylvania, and New Jersey.
301-202-3760
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6th year as a Best Pick
Best Pick Guaranteed Licensed Insured Workers' Comp
Alco Products is a third-generation, family-owned-and-operated home improvement company serving the Washington, DC, metro area. Founded in 1956, we have over 65 years of experience to help remodel your home. We stand behind our work and pride ourselves on our customer service and consultative approach.

Alco Products Inc offers residential installation of vinyl, fiberglass, wood, and aluminum windows; storm windows; and vinyl, fiberglass, wood, French, sliding glass, patio, and storm doors.
443-380-4338
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4th year as a Best Pick
Best Pick Guaranteed Licensed Insured Workers' Comp
We pledge to service our clients with honest and thorough needs assessments tailored to each home's unique requirements. Through experience, industry-leading knowledge, superior building practices, and stellar customer service, Exterior Medics is committed to restoring faith in the home improvement industry.

Exterior Medics, Inc., installs and replaces wood, vinyl, and fiberglass windows and entry, patio, and storm doors.
240-855-0767
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3rd year as a Best Pick
Best Pick Guaranteed Licensed Insured Workers' Comp
For over seven decades, Long Home Products has helped families enjoy safer, more beautiful homes. Quality products, outstanding craftsmanship, and dedication to customer satisfaction are at the core of our philosophy. We work with customers to make home improvement projects affordable with competitive rates and payment plans.

Long Home Products installs and replaces double-hung, casement, awning, bow, and bay windows as well as entry, patio, and storm doors.
443-672-4245
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3rd year as a Best Pick
Best Pick Guaranteed Licensed Insured Workers' Comp
American Home Contractors has been in business for over 35 years, providing exterior services and upgrades to Maryland, Washington D.C., and Northern Virginia homes. American Home prides itself in customer satisfaction and guarantees to do the best job possible when remodeling your home.

American Home Contractors provides exterior household services, including window, entry door, roofing, gutter, and siding installation and replacement.
443-273-5352
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About Washington, DC Window and Door Replacement Companies

Like a body’s extremities, a home’s windows and doors are where much of its energy losses occur. Whether it’s cold, drafty air coming in during the winter, or air-conditioned air escaping during the summer, approximately half of a Washington, DC home’s residential energy losses are due to its windows and doors. Since many newer windows and doors are superior to older ones at minimizing energy loss, homeowners often decide to replace them to decrease their energy bills. However, energy efficiency isn’t the only good reason to consider replacing your windows and doors. Besides lower energy bills, new windows and doors can actually make your home more secure. Since windows and doors become easier to force open after decades of use, replacing them can provide the safety-minded DC homeowner with an increased sense of security.

The three most common types of windows are wood, vinyl, and composite. Wood windows are more traditional and come in a variety of styles and colors; however, they do require a bit of maintenance to keep the wood from deteriorating. Vinyl windows are essentially maintenance free, provide excellent insulation, and also come in a variety of styles and colors. Composite windows combine the best of both wood and vinyl. Made from both wood and plastic or fiberglass, composite windows look like wood, but require almost no maintenance.

Whatever your reasons for replacing your windows and doors, a DC Best Pick™ window and door company can help you find the material and style that’s best for you.