Top-rated Window Contractor in Gaithersburg, MD

When you need a professional and reliable window contractor in Gaithersburg, MD, don’t hesitate to call NOVA Exteriors. For almost three decades, we’ve worked tirelessly to provide our friends, family, and neighbors in Gaithersburg with all their home improvement needs, including window and door installations and replacements. We offer a wide range of ENERGY STAR-certified windows in various styles, colors, and sizes to perfectly match your home.


Why NOVA Exteriors Is the #1 Window Company in Gaithersburg, MD

Why is NOVA Exteriors the best choice for a window company in Gaithersburg? It’s because we genuinely care about our customers and take great pride in the quality of our work. Our company is licensed and insured, with a team of vetted and trained professional contractors. Here are a few reasons why we’re the first choice for a home improvement company in Maryland:

  • We provide free in-home estimates and professional consultations
  • Our company has earned A+ ratings on BBB and Angi
  • We offer flexible financing, competitive interest rates, and convenient payment options
  • Every project we complete comes with warranties ranging from ten years to lifetime
  • We stay updated on the latest advancements in energy-efficient technologies
  • We bring 28 years of experience, knowledge, and skill to the table


Trust NOVA Exteriors for Quality Window Installation in Gaithersburg

We know that any home improvement project, including new window installations, can seem overwhelming and stressful. However, when you choose NOVA Exteriors as your window contractor, you can count on us to make your experience smooth and hassle-free. Here’s how it works:

  1. Call us to schedule a free in-home consultation: Our professionals will visit your home for a free, no-obligation estimate. We’ll explore your options and discuss your overall vision, ideas, and budget.
  2. Receive a custom project plan: Our team will help you navigate every step of the design and installation process and provide the best solutions and products for your home.
  3. Complete your new window installation or replacement:Once we agree on the project scope and sign a contract, we get to work installing your new windows and ensuring you’re 100% satisfied with our quality of work.


Browse Our Selection of Top-rated Energy-efficient Windows for Your Home

Are you unsure which style or brand of windows will best suit your home? If so, it’s okay. We’ll determine your needs and find the perfect window for your home. Our available window styles include the following:

  • Casement windowsopen by swinging outward, allowing lots of natural light and fresh air. They’re the perfect choice for your kitchen or bathroom.
  • Double-hung windowsfeature a contemporary design and are very popular among homeowners as they need little to no maintenance. 
  • Awning windowsopen from the bottom on a slant, offering superior protection from rain and wind while providing lots of ventilation.
  • Sliding windowsare an excellent way to increase the energy efficiency of your home and slide open just like glass patio doors.
  • Bay and bow windowsfeature an elegant curve that extends beyond the walls of your home, creating a sophisticated aesthetic.
  • Picture windowsare a traditional choice and have a clean, simple design that is versatile enough to suit any home.

Benefits of Investing in Window Replacement in Gaithersburg, Maryland

If your windows are old, outdated, or damaged, it’s time to invest in replacements. As the leading choice for window replacement in Gaithersburg, MD, NOVA Exteriors should be your first call. Replacing your home’s windows can provide many benefits for homeowners, including the following:

  • Increased curb appeal
  • Higher resale value
  • Improved energy efficiency
  • Lower energy bills
  • Better outdoor noise suppression
  • Reduced allergens, dust, and pollen
  • Improved comfort and quality of life

The level of insulation your windows provide can have a huge impact on your home’s energy efficiency. We’re a proud supplier of Verde windows, which have cutting-edge features like UltraCore frames and SolarClean self-cleaning glass. 


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Available Window Types


Highly elegant that involves hardly any additional efforts to maintain and easy to operate.


A perfect window style that allows full fresh air circulation, keeping the room breezy! The integrated elegant handle opens the window outwards with a comfortable turn of a handle.


It can be compared with a sliding glass door, this window type is unequivocally alluring. This artistically designed window type is highly energy efficient.


The awning window is like a casement window with a slight difference as the latter opens out from the side. Whereas, the awning window type opens from the bottom! Not only these types provide an elegant look to your living room but they also maintain a perfect circulation of fresh air.


This window type is for anyone who desires to get a picturesque view of their beautiful surroundings as soon as they open their eyes in the morning. The picture window is fitted with a high quality glass. This window lets the sunlight in and has a maximum energy efficiency.


Through this window, you can enhance the beauty of your entire room and also spend a relaxing day enjoying the outdoor view! The design of our bay and bow window will save your precious hard-earned money as it can reduce heating and cooling costs.

Schedule Your Free In-home Estimate Today With Gaithersburg’s Leading Window Contractors: NOVA Exteriors

With 28 years of experience, comprehensive warranties, available financing, and a team of experienced professionals, you can count on NOVA Exteriors to handle all your window installation and replacement projects. Call NOVA Exteriors now at (410) 333-6309 to book a free estimate with the top-rated window contractor in Gaithersburg, MD.

Service Areas

Fairfax Station
Silver Spring
South Riding




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