20 Best Window Companies in Middletown, MD (2023 Reviews)
Thinking about upgrading your home's windows? We've got all the information you need in this list of the best window installation companies.
We analyzed all the top-rated window companies in Middletown and selected the best 20 based on:
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Customer reviews
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Window installation expertise
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Popularity with home-owners like you
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Updated September 15, 2023
Why you can trust EcoWatch
Although clean energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your house's energy efficiency can also have a considerable impact on home energy conservation. Drafty or leaky windows can make your home uncomfortable in the summer or winter.
Replacement windows improve your home's insulation, not only making you and your family more comfortable during extreme temperatures, but also saving you some money and helping the environment.
Unlike other sites, EcoWatch ranks window companies on energy efficiency while also taking into consideration cost, customer satisfaction and service area.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
Best Window Installation & Replacement Companies in Middletown
The EcoWatch Reviews team examined dozens of installers across the country to find the top window companies for our readers. We assessed the companies based on energy-efficient offerings, customer service, price, coverage area, local experience and more.

Window World
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EnergyStar Partner
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Large serice area
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Low prices relative to competitors
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Great industry reputation
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Lifetime warranty
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Quality of service will depend on your area
Window World has windows expertise in Middletown. This provider has 27 years of experience in the window installation business, and it has established itself as one of the most reputable companies in the business.
You may want to consider choosing Window World if you're interested in a installer that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.
Energy Efficiency of Window World WindowsThere are a wide variety of window types available from Window World, some of which are Energy Star products. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.
How much does Window World cost in Middletown?Window World doesn’t have any prices available on its website, but it's known for offering some of the most affordable window installations around. The best way to get more accurate pricing information is to ask for a free quote from the company.

Renewal by Andersen
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Great industry reputation
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Award-winning company
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Member of US Green Building Council
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Manufactures products in-house
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No lifetime warranty
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More expensive than competition
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window business for around 27 years. Hundreds of positive reviews from customers online back the company's reputation.
It has established itself as a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.
Energy Efficiency of Renewal by Andersen WindowsThere are a wide range of window types that Renewal by Andersen offers, some of which are Energy Star products. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.
How much does Renewal by Andersen cost in Middletown?Andersen doesn’t have any prices available on its website, but based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. The best way to get more accurate pricing information is to ask for a free quote from the company.

Aeroseal Windows
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Many years of experience
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Great industry reputation
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Low number of customer complaints
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Manufactures products in-house
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Custom Designs
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No lifetime warranty
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Not ideal for residential installations
Aeroseal Windows provides the best window installation for businesses in Middletown. Aeroseal has been in the window business for around 23 years. The provider has many positive reviews from customers online.
If you’re looking for a company that installs windows and doors at businesses across the Eastern U.S, Aeroseal may be the right company for you.
Energy Efficiency of Aeroseal Windows WindowsThe company claims it helps businesses save on energy expenses and reduce their carbon footprints with energy-efficient windows, as well as practices like Low-E glass coating, weatherstripping and more. Not all of Aeroseal’s windows are Energy Star certified, so make sure you mention that you want Energy Star windows when inquiring.
How much does Aeroseal Windows cost in Middletown?While prices are not available on Aeroseal’s website, it provides high-quality windows at a competitive price point. Requesting a free quote on its website is the best way to know for sure.

Window Nation
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Award-winning company
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Manufactures products in-house
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Custom designs
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Wide variety of products and services
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Installation not covered by warranty
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Limited service area
Window Nation is a company that serves hundreds of thousands of homeowners, mostly in the mid-Atlantic region of the U.S. Window Nation has been in the window business for around 16 years. Hundreds of positive reviews from customers online back the company's reputation.
It has established itself as a company that gives customers the opportunity to view products and to speak to a representative in person in its showrooms.
Energy Efficiency of Window Nation WindowsThere are a wide range of window types that Window Nation offers, some of which are Energy Star products. Each product has windowpanes coated with a Low-E (low emissivity) glaze that prevents damaging UV rays from heating your home. Plus, the spaces between double- and triple-pane windows are filled with argon gas that’s been proven to improve home insulation.
How much does Window Nation cost in Middletown?Window Nation doesn’t have any prices available on its website, but based on customer feedback, you can expect to pay between $300 and $525 per window installed, making it a more affordable option compared to competitors. The best way to get more accurate pricing information is to ask for a free quote from the company.
Please note that the following companies are national, which means the quality of customer service may vary depending on your local crew. We have tried to remain unbiased and transparent by listing pros and cons for every provider.
More Window Companies in Middletown
Renewal by Andersen of Capital Region - Sterling
Sterling, VA-
Price Transparency
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Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Glass Showers
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Stained Glass
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Commercial Windows
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Residential Windows
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Double-Hung
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Sliding Glass
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Window Replacement
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Custom Window Designs
Window World of Frederick County
Frederick, MD-
Free assessment
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Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Bay Windows
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Fast Delivery
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Sliding Glass
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Residential Windows
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Window Replacement
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Double-Hung
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Custom Window Designs
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Commercial Windows
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Energy-Efficient Options
Champion Replacement Windows of Baltimore
Rosedale, MD-
Price Transparency
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Free assessment
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Good Customer Service
Services Offered
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Double-Hung
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Window Replacement
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Custom Window Designs
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Bay Windows
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Sliding Glass
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Residential Windows
Window Nation
Glen Burnie, MD-
Price Transparency
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Educational Website
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Free assessment
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Good Customer Service
Services Offered
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Bay Windows
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Custom Window Designs
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Stained Glass
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Window Replacement
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Double-Hung
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Residential Windows
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Energy-Efficient Options
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Sliding Glass
Glass & Mirror Services, Inc.
Frederick, MD-
Free assessment
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Price Transparency
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Good Customer Service
Services Offered
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Glass Showers
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Aluminum Window Frames
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Custom Window Designs
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Residential Windows
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Window Replacement
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Stained Glass
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Commercial Windows
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Double-Hung
R&H Glazing Inc
Frederick, MD-
Price Transparency
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Good Customer Service
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Free assessment
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Educational Website
Services Offered
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Custom Window Designs
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Sliding Glass
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Window Repair
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Bay Windows
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Commercial Windows
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Double-Hung
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Aluminum Window Frames
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Residential Windows
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Window Replacement
Affordable Glass Inc
Thurmont, MD-
Price Transparency
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Good Customer Service
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Free assessment
Services Offered
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Window Replacement
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Window Repair
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Glass Showers
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Commercial Windows
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Custom Window Designs
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Residential Windows
C3 American Exteriors
Mt Airy, MD-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Stained Glass
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Commercial Windows
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Window Replacement
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Custom Window Designs
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Aluminum Window Frames
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Residential Windows
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Fast Delivery
Replacement Windows and Doors-Homerite Waynesboro
Waynesboro, PA-
Free assessment
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Good Customer Service
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Timely Service
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Price Transparency
Services Offered
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Energy-Efficient Options
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Stained Glass
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Commercial Windows
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Window Replacement
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Residential Windows
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Sliding Glass
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Fast Delivery
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Custom Window Designs
Window Expert
Paeonian Springs, VA-
Educational Website
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Price Transparency
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Free assessment
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Good Customer Service
Services Offered
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Double-Hung
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Commercial Windows
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Residential Windows
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Window Repair
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Energy-Efficient Options
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Bay Windows
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Sliding Glass
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Custom Window Designs
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Fast Delivery
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Window Replacement
C2 Operations
Leesburg, VA-
Educational Website
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Good Customer Service
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Free assessment
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Price Transparency
Services Offered
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Residential Windows
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Double-Hung
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Window Replacement
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Sliding Glass
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Custom Window Designs
Pella Windows & Doors of Gaithersburg
Gaithersburg, MD-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
Services Offered
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Full-Service Installations
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Window Replacement
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Sliding Glass
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Custom Window Designs
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Bay Windows
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Double-Hung
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Residential Windows
Classic Exteriors
Sykesville, MD-
Price Transparency
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Good Customer Service
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Educational Website
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Free assessment
Services Offered
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Residential Windows
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Aluminum Window Frames
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Custom Window Designs
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Commercial Windows
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Window Replacement
Potomac View Energy
Sykesville, MD-
Educational Website
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Free assessment
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Timely Service
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Good Customer Service
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Price Transparency
Services Offered
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Sliding Glass
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Double-Hung
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Fast Delivery
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Glass Showers
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Window Replacement
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Custom Window Designs
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Residential Windows
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Stained Glass
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Energy-Efficient Options
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Bay Windows
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Commercial Windows
Capital Remodeling, Inc.
Gaithersburg, MD-
Good Customer Service
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Free assessment
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Price Transparency
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Educational Website
Services Offered
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Window Replacement
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Custom Window Designs
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Glass Showers
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Residential Windows
Shiner Exteriors
Sterling, VA-
Free assessment
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Price Transparency
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Educational Website
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Good Customer Service
Services Offered
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Commercial Windows
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Sliding Glass
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Residential Windows
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Bay Windows
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Double-Hung
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Fast Delivery
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Custom Window Designs
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Window Replacement
B.T. Window & Doors LLC
Sykesville, MD-
Good Customer Service
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Educational Website
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Price Transparency
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Free assessment
Services Offered
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Sliding Glass
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Residential Windows
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Custom Window Designs
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Window Replacement
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Energy-Efficient Options
Seipp Roofing, LLC
Westminster, MD-
Price Transparency
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Free assessment
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Educational Website
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Good Customer Service
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Timely Service
Services Offered
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Commercial Windows
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Custom Window Designs
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Residential Windows
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Window Replacement
Windows On Washington Ltd
Sterling, VA-
Educational Website
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Price Transparency
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Timely Service
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Free assessment
Services Offered
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Bay Windows
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Energy-Efficient Options
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Double-Hung
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Window Replacement
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Custom Window Designs
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Commercial Windows
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Sliding Glass
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Residential Windows
Roofing & More, Inc.
Herndon, VA-
Free assessment
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Good Customer Service
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Price Transparency
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Educational Website
Services Offered
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Aluminum Window Frames
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Window Replacement
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Fast Delivery
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Commercial Windows
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Custom Window Designs
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Residential Windows
Calculate how much you can expect to pay for window installation and replacement in Middletown, MD using our customized window cost calculator.
Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.
How Installing Energy-Efficient Windows in Middletown Saves You Money
When you switch to energy-efficient windows, you may see several perks, including:
- Protect your investment: Upgrading and repairing your windows is an important part of maintaining your property and its real estate value, especially if you have an older home.
- More efficient energy usage in your household: Because the winters can get very cold in Middletown, homeowners often depend on their heater a lot. Energy-efficient windows lower how much heat is lost through your windows, which makes it easier to keep your house warm.
- Protect your valuables: Many Energy Star certified windows have low-emissivity coatings, which not only insulate your home better, but also filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
- Save money on power bills: Once you install energy-efficient windows, you can expect a reduction in your bills by about 12% since you'll require less energy to heat or cool your home.
Estimated Cost of Window Replacement in Middletown
Each window installation company offers various services and has varying costs depending on a few factors.
How Much Do New Windows Cost?
On average, homeowners in Middletown can expect that most window installations will range from $250 to $1,200, with the average cost at about $600. But costs will vary significantly depending on the current condition of your home, your location, the quality of your products and the number of windows you need. A lot of window companies also offer replacement door installations and other add-ons like baths, shutters, coating and more. These extra services will increase your overall project costs.
Whether or not you want to install energy-efficient windows is another factor that will affect the cost. These will typically cost more than other windows, but on the other hand, you can save about $294 a year on your energy bills in Middletown.
Costs will also vary based on the material of your frame. Aluminum frames cost the least. They're sturdy, light and maintenance-free, but offer poor insulation. Vinyl frames are somewhat expensive and offer good insulation. Composite frames made from wood fibers encased in plastic also offer good insulation and are moderately expensive. Wood frames cost the most and are the most in-demand. They're also aesthetically pleasing and offer decent insulation for your home.
What Services do Window Installers Offer?
There are typically two kinds of window installation services: full-frame and pocket installations.
Full-frame installations require replacing the whole window — the sill, frame, trim and all. These are most common when you want to change the style of your window or when it has a great amount of rot or deterioration. Full-frame installations are more time-consuming and will increase overall costs. A pocket installation involves replacing a window within the existing frame, which is usually less expensive than a full-frame installation.
Your window installation company should be able to help you figure out what's best for your needs. In Middletown, the decision will mostly depend on how old your home is and if there's any damage. Wood can decay if it's not maintained properly over the years, so it's good to have a professional assess your frames and window sills.
Best Availability
Renewal by Andersen
- Great industry reputation
- Member of US Green Building Council
- Manufactures products in-house
Window Veteran
Window World
- EnergyStar Partner
- Wide variety of products and services
- Lifetime Warranty
How We Choose the Best Window Installers in Middletown
The EcoWatch Reviews team differs from most reviewers, as we assess these companies through a sustainability lens. Along with energy efficiency, we reviewed several window installers in Middletown and ranked them using the following methodology:
Service Area
Because this is a guide for Middletown, we only included companies that serve the city. There are other reputable providers that didn't make the cut because of the low odds that they would serve the average homeowner in Middletown.
Work Quality
We're certain that you're looking for a company to do a great job installing windows. We've vetted each installer included in our guide to make sure its technicians are well-qualified and that the company has gotten lots of positive customer feedback to vouch for its service.
Customer Reviews
Customer feedback is another super important review factor. If the majority of customers don't have good feedback about their service from a certain company, it won't be featured on EcoWatch.
Cost
Cheaper windows don't necessarily mean better windows, but we know many of our readers want to keep costs low when possible. When analyzing the prices of providers, we gave higher points to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
As discussed, windows are a significant investment, so you'll want to make sure that investment is protected. Window installation companies that give you lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Because of Middletown's climate, homeowners will want to mitigate low efficiency, water damage and rot. We factored in local experience to reflect the ability of Middletown window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.
Middletown, MD Window Replacement FAQs
What is the average cost to replace windows?
The average cost to replace a single window can range from $450 to $650. There are several factors that affect the price, including styles and sizes of windows, the materials used in designing the windows, how energy-efficient the windows are, local labor costs, the number of windows and your property's location.
What are the most common kinds of replacement windows?
The most common kinds of windows for homes include: transom windows, awning windows, bay windows, casement windows, picture windows, slider windows and double-hung and single-hung windows.
When should I use a window installation company?
Unless you have home repair skills and have the time needed to replace your own windows, we recommend hiring a professional installer. The window installation process is complex and can take anywhere from four to six hours for one window. Although it's tempting to try to do it yourself to save money, hiring a professional is a faster, more efficient and much safer option.
When is the best time of year to replace windows?
Even though you can install windows any time of year, warmer weather is generally better for replacing windows. Additionally, the weather should be dry, because rain can make the installation harder.