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Quality Windows
at HALF the Price

Quality Windows
at HALF the Price

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Custom Windows Installation and Replacement


Whether you’re remodeling your home or building a house from the ground up, new custom windows make a sound choice. This type of window offers many benefits: they can be build-to-order for your home’s window sizes, they can be customized by color or style, and they can be personalized to incorporate the latest efficiency features. 

In other words, custom windows allow homeowners to personalize the performance and look of their windows, and they’re sized to fit perfectly. 

In need of custom windows for your property in Washington D.C., Maryland or Virginia? Contact WeatherMaster

For more than 30 years, we’ve been the region’s choice for custom windows replacement and installation. Whether you need a few custom windows for your home or plan to upgrade all of your windows, we guarantee the best prices and excellent customer service. Visit our reviews to see what other customers have to say.

Call now for a quote or learn more about our custom window options. 

About Our Custom Windows 

WeatherMaster makes it easy to order custom windows. You choose all of the features you want, and we’ll fabricate and install them to meet your specifications. Some of the most common customization options include: 

  • Materials: Vinyl, wood, and fiberglass are the most common types of frame material. All of our vinyl windows feature welded frames for maximum insulation.
  • Efficiency Features: Choose the features you want to maximize efficiency. Options include argon and krypton gas fills, Low-E glass, double or tripled-paned glass, and much more. Our top model is actually 270% more energy-efficient than standard ENERGY STAR windows.
  • Colors: Get vinyl windows in a range of colors. Or choose from several classic shades of white. 
  • Styles: From double-hung, sliders, picture windows to casement windows, we allow you to customize a variety of styles. 
  • Grid Patterns: Choose from several grid layouts for the look you want. From a classic Colonial pattern to a more modern look, we have options to fit every aesthetic. 

Are Custom Windows Right for My Home? 

Compared to standard windows, custom windows offer some key advantages. Some pros and cons of custom windows include: 


  • Sized to Fit: Custom windows can be built every 1/8” to fit your home perfectly, providing better insulation and a cleaner look without fillers. 
  • Built-to-Order: Custom windows can be personalized to fit your home’s aesthetic, with options for colors, grid layouts, and hardware. 
  • Maximum Efficiency: Made-to-order windows incorporate the latest window innovations to help you better insulate your home. 


  • Cost: Custom windows tend to cost approximately 10% more than stock windows. 
  • Time to Manufacture: Custom windows do have a longer lead time, and you may have to wait a little longer before installing them. 

Custom Window Installation 

Get your windows installed by one of the region’s most-trusted window installers. WeatherMaster brings decades of combined experience to every project. We guarantee: 

  • Experience – WeatherMaster has installed more than 200,000 windows in the Baltimore, Virginia, D.C. area since 1986. You can count on our expertise! 
  • Options – We provide an unbeatable selection, allowing you to choose the latest window styles. 
  • Transparent Pricing – We guarantee fast quotes – in as little as 60 minutes! – as well as a price-match guarantee. 

Contact Us 

For custom windows in Maryland, Virginia or D.C., call WeatherMaster. We guarantee the best options, best pricing, and installation expertise! Call now or email and receive a quote in 60 minutes or less. 

Thumbs up iconTop-Rated Windows from Only $198 DIY or $278 INSTALLED
Rated A+ by the BBB and 4.5 stars average in online reviews, Weathermaster offers highly energy-efficient, top-rated windows, at prices usually available only to builders and contractors.  Prices start as low as $198 per window for DIYers or $278 including professional installation.  Don’t pay your utility company anymore than you need to– some of our models are 3X more energy saving than ENERGY STAR requirements!


Smiling face iconNo-Hassle & No-Gimmick Window Shopping
WeatherMaster’s unique, no-hassle shopping experience provides pricing that is simple and transparent, displayed right in our ads and online.  We know your time is valuable, so we’ll keep it simple– no long sales presentations, and no phony sales events, BOGO offers, trade-ins or other gimmicks.  Why don’t the other companies show their prices?

Weathermaster Window's professional installer finishing up a project


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Why Choose WeatherMaster?

Built For a Lifetime

whychoose_01cMost vinyl windows are hollow– not ours! All WeatherMaster models are built with either fiberglass or high strength alloy reinforcement. This provides solid support for our hardware, and helps prevent the bowing and warping that can reduce the window’s energy efficiency as it ages.

Extreme Energy Savings

baltimore countyWeatherMaster windows are cutting edge products with the latest energy saving technologies. Built with argon & krypton gases, Heat Mirror films, Super Spacers, and multilayered low-e coatings some of our of our window perform over 290%** better than ENERGY STAR criteria!

A Simple, Hassle-Free Shopping Experience

Your time is valuable, so why spend it watching hours long sales presentations and haggling with home improvement salesmen? WeatherMaster pricing is simple and transparent, displayed right in our ads, online or quoted over the phone.

Three Decades of Trust

whychoose_04We’ve installed over 182,000 windows in Maryland, Washington DC and Virginia since we opened our doors in 1986. Our mechanics are window and door professionals. They do not install kitchens, baths or decks; they are not roofers… They install only windows and doors. Everyday. PERIOD. A window will only perform as well as it is installed and WeatherMaster customers get the best in the business!