20 Best Window Companies in La Plata, MD (2025 Reviews)
When it’s time to upgrade your windows, our reviews of the best window installation companies can help you find the provider for you.
We analyzed all the top-rated window companies in La Plata and selected the best 20 based on:
Customer reviews
Window installation expertise
Popularity with home-owners like you
Please enter a valid 5-digit zip code!
Why you can trust EcoWatch
The EcoWatch team is all about finding solutions for eco-conscious homeowners in La Plata. When it’s the middle of summer, your outdated and drafty windows could be making your home harder to cool and costing you more in power bills.
That’s not great for either your wallet or the environment, but one of the top window installation companies can help with that.
As windows are so important for your home, selecting the right company for you is a big choice to make. That’s why the EcoWatch team has put together this list of the top window installation companies, so you can make an informed decision more easily.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Best Energy-Efficient Features
Champion
- Many years of experience
- Low prices relative to competitors
- Limetime warranty
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
Best Window Installation & Replacement Companies in La Plata
The EcoWatch team examined dozens of providers that service the La Plata area to find the top window installation companies by our standards. The providers mentioned in this article scored best in our categories: energy-efficient offerings, availability, customer service, price and more.

Renewal by Andersen
Great industry reputation
Award-winning company
Member of US Green Building Council
Manufactures products in-house
No lifetime warranty
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.
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 WindowsRenewal by Andersen carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. 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 La Plata?Andersen doesn’t have any cost information listed 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. Getting a free quote on its website is the best way to get more accurate information.

Window World
EnergyStar Partner
Large serice area
Low prices relative to competitors
Great industry reputation
Lifetime warranty
Quality of service will depend on your area
Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has been in the window business for around 27 years.
It has established itself as a company 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 WindowsWindow World carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. 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 La Plata?Window World doesn’t have any cost information listed on its website, but it's known for offering some of the most affordable window installations around. Getting a free quote on its website is the best way to get more accurate information.

Window Nation
Award-winning company
Manufactures products in-house
Custom designs
Wide variety of products and services
Installation not covered by warranty
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.
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 WindowsWindow Nation carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. 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 La Plata?Window Nation doesn’t have any cost information listed 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. Getting a free quote on its website is the best way to get more accurate information.

Aeroseal Windows
Many years of experience
Great industry reputation
Low number of customer complaints
Manufactures products in-house
Custom Designs
No lifetime warranty
Not ideal for residential installations
Aeroseal Windows is an installer that mainly serves commercial and multifamily properties, and also specializes in railings. If you’re looking for residential window installations, you should probably refer to one of the other companies on this list. Aeroseal has been in the window business for around 23 years.
It has established itself as a company that installs windows and doors at businesses across the Eastern U.S.
Energy Efficiency of Aeroseal Windows WindowsAeroseal Windows carries some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you mention that you want high-quality Energy Star windows when inquiring. The 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.
How much does Aeroseal Windows cost in La Plata?Aeroseal doesn’t have any cost information listed on its website, but it provides high-quality windows at a competitive price point. Getting a free quote on its website is the best way to get more accurate information.
One thing to note is that the following companies are national, meaning the quality of the service may depend on your local team. We have tried to be unbiased and transparent by listing both pros and cons for each provider.
More Window Companies in La Plata
Renewal by Andersen of the Capital Region
North Bethesda, MD
Free assessment
Good Customer Service
Price Transparency
Educational Website
Services Offered
Double-Hung
Glass Doors
Skylights
Bay Windows
Window Replacement/Installation
Champion Replacement Windows of Richmond
Ashland, VA
Free assessment
Price Transparency
Good Customer Service
Services Offered
Double-Hung
Window Replacement/Installation
Glass Doors
Bay Windows
Champion Replacement Windows of Baltimore
Rosedale, MD
Price Transparency
Sunrooms
Single-source accountability
Products made in the USA
Free assessment
Good Customer Service
Services Offered
Bay Windows
Glass Doors
Window Replacement/Installation
Double-Hung
Window Nation
Glen Burnie, MD
Price Transparency
Free assessment
Educational Website
Services Offered
Glass Doors
Wood Frames
Bay Windows
Double-Hung
Window Replacement/Installation
Triple Pane Glass
Custom Window Designs
Energy-Efficient Options
Vinyl Frames
Advanced Window & Glass Repair, LLC
Woodbridge, VA
Price Transparency
Educational Website
Timely Service
Good Customer Service
Free assessment
Services Offered
Glass Doors
Custom Glass
Bay Windows
Mirrors
Window Repair
Glass Repair
Tempered Glass
Fiberglass Frames
Double-Hung
Glass Showers
Vinyl Frames
Window Replacement/Installation
Energy-Efficient Options
Anderson Glass Contractors - Frameless Shower Door, Glass Door in Alexandria VA
Marlow Heights, MD
Free in-person consultation
24-hour emergency availability
Price Transparency
Good Customer Service
Custom glass services
Educational Website
Free assessment
Services Offered
Glass Repair
Glass Doors
Window Replacement/Installation
Glass Showers
Custom Glass
Mirrors
Old Town Glass & Window Repair
Alexandria, VA
Third-generation glassier
Good Customer Service
Free assessment
Large online project gallery
Price Transparency
Affordable prices
Services Offered
Glass Doors
Mirrors
Glass Repair
Window Replacement/Installation
Custom Glass
Glass Showers
DISTRICT CAPITOL GLASS LLC
Alexandria, VA
Good Customer Service
Price Transparency
Free assessment
Educational Website
Services Offered
Window Repair
Glass Showers
Glass Repair
Screen Repair
Window Replacement/Installation
Mirrors
Glass Doors
Tri County Windows and Siding
Vienna, VA
Educational Website
Price Transparency
Free assessment
Good Customer Service
Services Offered
Window Replacement/Installation
Custom Window Designs
Skylights
Bay Windows
Glass Doors
Double-Hung
Home Exteriors LLC.
Manassas, VA
Timely Service
Free assessment
Good Customer Service
Educational Website
Price Transparency
Services Offered
Window Replacement/Installation
Glass Doors
Bright Side Exteriors
Centreville, VA
Free assessment
Services Offered
Window Repair
Window Replacement/Installation
Glass Doors
Capitol Improvements - Roofing & Siding Contractor
Bowie, MD
Educational Website
Price Transparency
Good Customer Service
Free assessment
Services Offered
Window Replacement/Installation
Potomac Windows & Doors
Fredericksburg, VA
Price Transparency
Services Offered
Window Replacement/Installation
KELEMER BROTHERS REPLACEMENT WINDOWS
Silver Spring, MD
Price Transparency
Free assessment
Educational Website
Services Offered
Energy-Efficient Options
Window Replacement/Installation
American Remodel
Annapolis, MD
Price Transparency
Educational Website
Good Customer Service
Free assessment
Services Offered
Window Replacement/Installation
C2 Operations
Leesburg, VA
Educational Website
Free assessment
Price Transparency
Services Offered
Window Replacement/Installation
Glass Doors
Double-Hung
Bay Area Exteriors
Easton, MD
Educational Website
Free assessment
Timely Service
Price Transparency
Good Customer Service
Services Offered
Window Replacement/Installation
Bay Windows
Milcon Design & Build
Waterford, VA
Price Transparency
Free assessment
Educational Website
Services Offered
Window Replacement/Installation
Glass Doors
Platinum Home Design, LLC
La Plata, MD
Free assessment
Educational Website
Price Transparency
Good Customer Service
Timely Service
Services Offered
Window Replacement/Installation
Window World of Southern Maryland
Waldorf, MD
Good Customer Service
Free assessment
Educational Website
Price Transparency
Services Offered
Double-Hung
Bay Windows
Window Replacement/Installation
Vinyl Frames
Glass Doors
Calculate how much you can expect to pay for window installation and replacement in La Plata, 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 La Plata Saves You Money
By switching to energy-efficient windows, you can take advantage of several benefits, such as:
- Decrease your carbon footprint: Reducing the amount of energy you use also lowers your indirect greenhouse gas emissions. You could reduce it by about 249 pounds.
- Protect your valuables from fading: When you switch to energy-efficient windows that have low-emissivity coatings, your floors, carpets and furniture will fade less due to their ability to filter out damaging UV rays.
- Protect your investment: The older your home is, the more likely it is that switching to energy-efficient windows will benefit you. Older homes usually have windows that are outdated, drafty or maybe even damaged in some way. Updating your windows could help raise the value of your property if you decide to sell.
- Save money on energy bills: Upgrading to energy-efficient windows reduces your energy bills by about 12% since you need less energy.
Estimated Cost of Window Replacement in La Plata
Windows come in varying shapes and sizes, so costs and services will differ considerably. Here are the typical costs and the primary services that you’ll find from the average window installation company.
How Much Do New Windows Cost?
Typically, La Plata homeowners can anticipate their window replacements to range from $250 to $1,200. The average cost is at about $600. How much it will cost depends on several factors, such as size, the location of your home, number of windows, type, material and more.
With windows, efficiency is the most important factor for most homeowners. Efficient windows may cost more upfront, but by increasing the efficiency of your home — particularly during the summer and winter — they can give you decades of energy savings. According to Energy Star, purchasing certified energy-efficient windows can save La Plata homeowners $316+ a year after replacing single-pane windows.
We recommend requesting free quotes from multiple window installers to find the one that works best for your budget.
What Services do Window Installers Offer?
In regard to window replacements, in general there are two kinds that your provider will offer: full-frame and pocket installations.
A full-frame installation is a replacement of the total window. It involves removing the old window, the windowsill, and the exterior and interior trim. It can also involve other materials, like insulation and drip edges, which raise the overall cost of the project. Also worth noting: you may have to touch up the paint around the window after a full-frame installation. Pocket installations (also known as retrofits) are when you replace a window without replacing the frame. Pocket installations are on the simpler end and will be less expensive, but you can’t do this kind of installment if you have any pre-existing rot or water damage.
Your window installer can help you figure out which type of installation you need.
Best Availability
Renewal by Andersen
- Great Industry Reputation
- Award-winning Company
- Member of US Green Building Council
- Manufactures products in-house
Best Energy-Efficient Features
Champion
- Many years of experience
- Low prices relative to competitors
- Limetime warranty
Power Home
- Uses eco-friendly materials
- Well-trained, certified installers
- Lifetime or lengthy warranty
How We Choose the Best Window Installers in La Plata
In our search to find the most reliable, eco-friendly window installers in La Plata, the EcoWatch Reviews team evaluated dozens of companies before deciding on these. We’ve decided to assess the top window installation companies in La Plata primarily based on energy efficiency, as the most sustainable option also benefits homeowners in many ways. Energy Star certified windows can reduce your power bills by hundreds of dollars. Along with energy efficiency, our rating methodology takes the following factors into consideration:
Service Area
This one is self-explanatory, but we’ve chosen to highlight window installation companies that serve La Plata so you can find a quality window installation company near you.
Work Quality
We’re willing to bet that you’re looking for a company to do a great job installing windows. We’ve vetted each company on this list to make sure its technicians are well-qualified and that the company has gotten plenty of positive customer feedback to vouch for its service.
Customer Reviews
Another self-explanatory yet very important review factor is customer feedback. If most customers don’t have positive feedback about their experience with a certain installer, you won’t see it featured on EcoWatch.
Cost
Cheaper windows don’t necessarily mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing providers’ prices, we awarded higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.
Warranty
As discussed previously, windows are a significant investment, so you’ll want to be certain that investment is well protected. Window installation companies that give you lengthy warranties for products, parts and installation (aka workmanship) rank higher with EcoWatch.
Years of Experience
Last but not least, we like to see companies that have been in the industry for quite some time. Window installers that have more years of experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
La Plata, MD Window Replacement FAQs
What is the average cost to install new windows in a home?
The national average cost to replace a single window is about $600 but can range from $200 to $1,200, depending on a variety of factors. The price is typically influenced by the type and material of the window, the location of your property and the size of the window. Also, remember that energy-efficient windows may cost more upfront but can save you a decent amount of money a year in energy bills.
What are the types of windows?
There are various kinds of windows you can get for your house, including transom windows, picture windows, awning windows, casement windows, slider windows, double-hung and single-hung windows and bay windows.
What do window installation companies do?
Window installation companies will do the entire process — from replacing your old windows with new ones to cleaning up after the windows have been put in place. In addition, a lot of companies offer window manufacturing, customization and repairs.
How long does window installation typically take?
Since the average installation time is 30 minutes per window, about 16 windows can be installed during a typical 8-hour work day.



