Here at Vanguard General Contracting, you can depend on us to help you find the perfect window replacement. We offer a wide range of options, including vinyl windows and metal frames in various styles. You’ll be able to replace your old wood or aluminum wall segments with new energy-efficient ones at an affordable price – without sacrificing quality. Our experienced team will work quickly while providing top-notch service so that everything is done correctly from start to finish.

Window replacement can seem like a daunting task, but it doesn’t have to be. We offer free consultations so that our team of experts will help you select the best window for your home and figure out prices accordingly. Call us today for your free estimate and consultation.


Window replacement can seem like an overwhelming decision, but it’s one that you should consider. Here are some signs to help you decide:

Your windows are old and drafty

If your windows are more than 10 years old, they’re likely not very energy-efficient. And if they’re drafty, that means you’re losing heat in the winter and cool air in the summer.

Your windows are difficult to open and close

Hard to open and close windows? You may have worn weatherstripping. This can lead to drafts, and energy loss as well.

Your windows are cracked or damaged

Your windows are your house’s largest investment. Cracks in them not only lead to energy loss, and higher utility bills but most importantly, security risks.

You’re constantly cleaning your windows

The windows of your home should be cleaned every week to keep them looking clean and fresh. But a good window replacement will help you avoid all the tedious work, while also making sure that nothing is left dirty or dusty for too long.

You’re interested in upgrading to a more energy-efficient window style

Window replacement is an excellent way to boost your home’s energy efficiency and cut down on costly utility bills. The process of replacing old, inefficient windows with new styles that are more cost-effective can make all the difference in how much you spend a year on electricity or natural gas.

Types Of Window Replacement Options Available

When you need new windows, it’s important to find a company that can provide high-quality workmanship and customer service. A quality installation starts with an expert team handling your project; we’ve got just what you want and need at an affordable price too. Our licensed technicians will install all kinds of custom-made window materials of your choosing. These are the options we have available for you:

  • Basement Windows
  • Casement Windows
  • Bay or Bow Windows
  • Garden Windows
  • Single-Hung Windows
  • Sunroom Windows
  • Double-Hung Windows
  • Picture Windows
  • Slider Windows


If you’re thinking about replacing your old and outdated windows, there are many benefits that come along with it. You might be wondering what they could possibly entail though! Don’t worry, we’ve got the answers to all of those questions. Here are a few:

Increased Energy Efficiency

What better way to save on your energy bills than with new and efficient windows? Newer models can cut down the amount of heat or cold coming into a home by up to 45%. It’s an absolute worth doing to your home.

Improved Comfort

The old, drafty windows in your home are a major problem. They make the rooms cold and uncomfortable during winter months due to their lack of insulation qualities, but new window treatments can help solve this issue. Newer styles have improved insulating properties that will keep you warmer without any extra costs.

Increased Security

Our homes are our sanctuary, but older windows can make us less safe. Newer models have stronger materials and features that protect you from break-ins so outdated versions should be replaced with newer ones.

Added value

The exterior of your home is one thing that will never go out of style, but there are always upgrades available for those looking to make their properties more modern. New windows can be an excellent way to add value and sell faster if you’re planning on moving soon.


Years Of Expertise

You can’t go wrong with us. Our professional and highly skilled team has years of experience, and we’ll take care to make sure your roof is up-to-date on all maintenance needs.

Quality Materials

We love what we do and it shows in everything from our high-quality materials to exceptional customer service. We’ve committed not only to the highest quality work but also to put your needs first with an assurance that’ll stand behind whatever you need.


We’re proud to have the most knowledgeable and helpful technicians and support staff in the industry. Our team is ready for you anytime.

Customer Service

Our team is the best at what we do. We take pride in providing quality service and will go out of our way to ensure that you are satisfied with our service.

Call Annapolis, Maryland’s Best Window Replacement Contractors

When it comes to window repair or replacement in Annapolis, Maryland, there’s no one better than Vanguard General Contracting. We’ve been providing quality workmanship and outstanding customer service for years now so that you can rest easy knowing that your home will be well protected from any outside elements for as long as possible.

We’re best known for our fast, reliable services with affordable rates for all types of windows. Trust us today and give us a call for a free estimate.

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Past Work

"Done Right The First Time" Roofing Services in Maryland

We're one of the most trusted roofing companies in Southern Maryland. We offer a wide range of products, including total roofing systems from Gaf and Owens Corning!

Roof Repair

Roof leaks, pooling water, and other problems: Quick Repair Preventing Further Damage and Extending Your Roof's Lifespan.

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Roof Replacement

Looking To restore the value or repair your most valuable asset - you home? Get it done right with a certified replacement.

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Roof Installation

Revitalize Your Property with Professional Roof Replacement Services.

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Emergency Roofing

24/7 Emergency Roofing Services: Keeping Your Home and Business Protected in Critical Situations.

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Gutter Cleaning and Maintenance

Protect Your Property with Regular Gutter Cleaning and Maintenance Services: Avoiding Costly Water Damage and Structural Issues

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Welcome To Maryland Roofing Company

Our vision is to be the best and most advanced home improvement company there is. "The future of home improvement providing best maryland roofers"

We offer a unique approach to home improvement by focusing on the needs of our customers and not just their goals.

Our roofing contractor maryland company strives for excellence in everything we do, which means you'll be getting more than just an ordinary md roofing contractors with experience; instead, all areas are taken care off so that when it comes time for your next project or repair - whether big or small-you can trust us!

Why Choose Me

We're one of the most trusted roofing contractors in Maryland with decades of experience. Our wide range of top-quality roofing products, including total roofing systems from Gaf and Owens Corning, combined with our expert crews, ensure that your roofing project is in the best hands possible. We pride ourselves on providing exceptional roofing service and upholding our values of integrity and professionalism in everything we do. Don't settle for less, select us for your next roofing project.

Meet The Team That Cares About Your Home

My dream is to create the best solar and home improvement company in every state, across America which provides best roof & roofing contractors near your house.

I want us all around this great nation so people can have access not just for themselves but their families too but also when you search for roofing contractor near me!

Then as our name suggests - I plan on giving back by building homes through purchases of other companies' assets while also continuing with giveaways at times throughout each year that are meant just because it feels right - to make life better one step closer.

We're With You Every Step Of The Way

We know how important your home’s exterior is. It protects and provides a sense of security while boosting your property value and curb appeal; all very important jobs. Trusting someone to work on your home improvement tasks can be a big commitment, but at Vanguard General Contractors we take the time to get to know our customers so all your needs are met. We treat you as family and strive to provide a custom, one-of-a-kind experience on every project.

Schedule Your Appointment

Give us a call, click the “Get an Estimate” button above or reach out on social media. We’re here to get you taken care of immediately.

Needs Based Proposal

We’ll come out and take a look at your points of concern, then have an in-depth conversation with you about your goals, wants and budget to draft the perfect proposal.

Start Your New Project

From roof repairs and replacements to windows, siding and more, we’ll get the job done quickly and concisely-just the way you want it.

Project Complete Successfully

Happy Clients Throughout The State

Years Of Combined Experience

Call Sam Now For A FREE Inspection!