The very best replacement window company in DC and Northern Virginia!

energy efficient replacement windows in Northern Virginia and Washington DC


The best value for windows in DC and Northern Virginia.


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Frequently Asked Questions

"I'm very very pleased with the workmanship!  I will highly recommend Window Universe to friends, family, coworkers, etc.  Dave's team is the best!!!"      window reviews  -  Pat, Washington, DC NW

All of the questions in this section were submitted either by visitors to the Window Universe website or by our past customers.  We've done our best to provide clear straightforward answers for everyone to see.


If you have a question that has not been addressed please use the form on the bottom of this page.  Your question may be posted to help everyone.  When we all work together things get much easier!




Do my husband and I both need to be home for your estimate?

No.  Many traditional contractors will insist that both parties be home during a presentation so they can try to pressure you into signing a contract on the spot. 


We don't do the old fashioned high pressure sales pitch and we don't need you both to be there. 


We do recommend that all of the interested parties be present if possible so we can answer all of your questions.  We understand that schedules are busy, and if this isn't possible that's just fine with us!


How come you don't need to measure the windows in order to give me prices?

We love this question!  Many contractors still use some of the old school tricks to justify their prices.  Charging more for a big window than a small one is a classic example of this.  The actual cost of the window varies very little, so we charge the same price regardless of the size. 


Our pricing only depends on the style of the window (i.e. double hung, picture window, etc).  This makes things much simpler and eliminates some of the old fashioned song and dance during the presentation. 


How can you give me a demonstration and an exact quote in 45 minutes when the last company I met with took 3+ hours?

So far this is our favorite question of the bunch!  The short answer is because we choose to.  We value your time and we understand that you probably have other things on your schedule. 


During your demonstration we'll tell you about our company and the windows that we offer.  We'll explain our lifetime window and labor warranties.  We'll tell you about the options that are available and we'll go through all of the prices with you.  We'll answer all of your questions and do our best to help you feel comfortable with the process.


All of that can be done in about 45 minutes.  Other companies need to take much more of your time because they spend their first two hours trying to justify their high prices and the next hour telling you about the "great" deal you're getting. 


Luckily our prices and our windows actually are great, so our story doesn't need to be long.


Someone knocked on my door recently and said they could offer me a discount because they were working in my neighborhood.  Is this a good deal?

Beware!  There are many contracting companies who go from neighborhood to neighborhood knocking on doors to solicit business.  You might even run into them at a gas station or warehouse store.  These are typically not good deals at all.  The cost of paying someone to go from door to door is pretty high and the company will need to recoup that cost from you!


These companies typically pull the old "buy today or the price goes up" tricks.  Remember this means they know that if you have time to look into it, you will not decide to work with them.


In a recent survey nearly 40% of homeowners who hired a door-to-door contractor said the contractor did shoddy work.  It's best to do a little research to find a company with a good reputation and a track record of satisfied customers. 


Do I need to make a decision on the spot?  I want to think it over to make sure I'm getting a fair deal.

You certainly do not need to sign up on the spot and we will not try to pressure you with "sign today or the price goes up" tactics.  While many of our customers do sign up right away you absolutely do not need to. 


All of our prices are guaranteed for 30 days so you'll have time to make sure you are comfortable with the decision to work with us.


How do I know that things are on schedule after I've ordered the windows?

This is a great question!  We will keep you informed through weekly email status updates until everything is complete.  Every Thursday you will receive an email letting you know the status of the project and confirming that everything is on track.  Of course you can always call to check anytime you like.


Some companies will take your money and leave you with no idea what is going on until they show up two months later with a pickup truck full of windows.  We thought there was probably a better way to keep you informed!


What's the difference between an R-Value and a U-Factor?

This is a common question.  Some companies will try to confuse the issue of efficiency by talking about R-Values.  Typically R-Values are used to measure the efficiency of the glass in a window rather than the efficiency of the entire window.  This is a little misleading and it's done that way on purpose. 


U-Factors provide a better measure of efficiency because they take into account the efficiency of the entire window.  This is why the new tax credit is based on U-Factors not R-Values.


How long will it take to get new my new windows? 

ALL of our windows are custom made and ordered to 1/8" specifications.  This is done to make sure they fit exactly right in your home.  This is the best way to get maximum efficiency, because it virtually eliminates the potential of drafts coming around the windows. 


The actual installation will only take 1 or 2 days depending on how many windows you have.  We work hard to get things done quickly and to minimize the disruption to your schedule.


The total time to measure, manufacture and install your new windows can vary, but a timeline of 3-5 weeks from start to finish is typical.


Your quote is much lower than another estimate I received.  What am I sacrificing by going with you as opposed to the higher priced company?

We employ a number of strategies to keep our prices low.  For instance, some companies in the area will spend $100,000 per year on ads in the Yellow Pages.  Some will spend even more on ads in the newspaper and on TV.  Do you think they need to recoup these costs by charging higher prices?  They certainly do.


You're not sacrificing anything!  We offer great products at great prices with great service and great warranties to back them up.  Please read the quotes and watch the videos on our website.  Our customers know a great deal when they see one!


Paying too much is so 2007!


What do I get for such great prices?

You get nationally recognized name brand double hung windows professionally installed complete with custom exterior trim.  You can see in the "Our Windows" section that our windows have many features that other companies either do not offer or charge a premium for. 


This is at the core of our philosophy of offering great products and great prices.


Will these windows qualify for the tax credit?

Yes.  Almost all of the windows and doors we offer will qualify for the tax credit when you select a qualifying glass option.  We offer several choices so you can select the windows and the efficient glass option that works best for you.


We'll be happy to go through all of the options with you.  We love talking efficiency!


I want new windows, but I'd rather not dip into my savings.  Do you have any payment options?

We sure do.  We've partnered with Wells Fargo to offer several great financing options.  It can really make sense to spread out your payments to avoid filling up your credit cards or dipping into savings. 


We're currently offering 0% interest for 12 months or 9.9% financing to keep your payments low. To learn more about the payment options and see examples of real customers and real projects just click here(There is also a link to our online application at the bottom of that page.)


Some customers are surprised to learn how affordable financing can be especially when you consider the monthly savings in your utility bills after the new windows are installed.


I see you do a lot for the environment, do you use recycled vinyl in the windows?

Thanks for noticing, we do try to do our part for the environment.  The quick answer to this one is no.  All of the vinyl in our windows is 100% virgin vinyl.  That means it has never been anything other than a window.  This is necessary to maintain the strength and durability that we require. 


Recycled or "regrind" vinyl has serious shortcomings and cannot be used to make a quality window.  Luckily, vinyl can be easily recycled and the scrap material in the plants is recycled into other products.


How can I know that you really provide good service?

This is a question every homeowner asks.  We can make a nice looking website and we can post videos of customers, but how can you be sure you're really looking at a company with a strong track record?  Here are a few ways you can tell that satisfied customers are our business.

1. You can look us up with the Better Business Bureau by clicking the button at the bottom of every page.  You'll see that we have an "A+" rating (the highest rating possible!) and we have never had a single complaint.  Some companies in this industry have several complaints and often times the complaints are still unresolved.  This is important to check. 


2. If you have a subscription you can look us up on Angie's List by clicking the button at the bottom of every page.  It's against Angie's rules for us to tell you what our rating is, but you can probably assume we wouldn't put a link on every single page if we didn't have many many great reports!


3. We'll be happy to provide you with a list of our past customers so you can call them and talk about their experience with us. 


Are you licensed, bonded and insured?

Yes.  Many area companies will only work in one or two jurisdictions because they cannot meet the licensing and insurance requirements in all of the local counties. 


We can and we do.



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"Really good work today.  It was hot out there today, but the guys got the job done and the windows look great."

DC window company  -  Nick, Stafford, VA



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"Everything is beautiful!  The installers were very nice and professional.  We will be contacting you again for our next project."


window reviews



Hyattsville, MD





"Came on time.  Did a good job."


window reviews



Washington, DC NE





"Excellent customer service, value and quality. Everything was explained to me clearly and concisely up front. I received weekly status updates and the installation went as planned, on schedule and budget. I was extremely pleased with the entire process - and, the end result is excellent.


I shopped this project around to five potential contractors - Window Universe stood out by far from the other four. I definitely recommend them and would use them again."


window reviews



Washington, DC





"Good Job, looks good and the installers seem to know their work very well.  Well done"


window reviews



Silver Spring, MD





"Great Installation - Timely and cleaned up nicely.  Thank You!"


window reviews



Alexandria, VA





"Great job!  There are no words to explain it.  I'll buy more windows in December!"


window reviews



Washington, DC NW





"Good Job!"


window reviews



Dumfries, VA





"Dave was prompt, business oriented and very kind.  I sprained my back during the time he was here.  I could not move.  He got me a chair, offered to get me a glass of water and was very solicitous.  I appreciated his whole attitude - and skills - very much.


*Please commend him for me."


window reviews



Washington, DC NW





"The house looks great.  Thank you for your friendly customer service.  I would definitely use you again for window projects."


window reviews



Washington, DC NE





"Thanks for the wonderful service!  We are already pleased with our new windows."


window reviews



Alexandria, VA





"Thanks for watching out for the garden!"


window reviews


-Kendall & Rachel

Springfield, VA





"Thank you for coming out on this wet and rainy day!"


window reviews


- Graham,

Washington, DC NE




"Great Job!"


window reviews



Woodbridge, VA





"Thanks for getting the job done right!"


window reviews


- Melinda,

Washington, DC SE





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Window Universe is an approved window contractor! Senior Checked for Windows in Akron and Canton OH Providing a Super Guarantee Lifetime Warranty on All Windows Replacement Windows from an EPA Lead Paint Certified Firm

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Window Universe

Washington DC Metro

1211 King St

Alexandria, VA 22314



Window Universe

Baltimore Metro

400 E Pratt St Suite 8037

Baltimore, MD 21202





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Mon-Fri: 9 AM to 5 PM


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