Window Replacement in Gaithersburg, MD
Gaithersburg's Reliable Window Replacement Company
ARCH Exteriors brings professional window replacement to homeowners throughout Gaithersburg and Montgomery County. As a ProVia certified partner, we install replacement windows backed by a lifetime transferable warranty covering glass breakage, chips, cracks, peeling, and blistering. Whether you are replacing one drafty window or updating the full home, we offer a free, no-pressure consultation to help you choose the right product for your home and budget.
Bespoke Exterior Solutions
Lifetime Guarantees
Owens Corning Platinum Preferred Dealer
Here's What We Offer
Check It OutENERGY STAR®-Approved Window Selections
For Gaithersburg homeowners, we install ProVia replacement windows with Energy Star certified glass packages designed for Maryland’s climate demands. Maryland summers push humidity and solar heat gain hard. Maryland winters push heating costs higher. ProVia windows with Low-E coatings and argon gas fills manage both, reflecting summer heat while retaining winter warmth. Available in double-hung, casement, sliding, and picture styles, every ProVia window we install in Gaithersburg is backed by a lifetime transferable warranty and qualifies for the federal 30 percent Energy Star tax credit, up to $600 per year.
Don’t Just Take Our Word For It
Hear From Satisfied Customers
5 Indicators Your Windows Need Replacement

Do you feel something isn’t right with your windows? They serve more than just letting light in – they are your home’s viewpoint to the world. But like most things, windows age and lose their effectiveness.
Here are five signs it’s time for a change.
1. Drafts Near Closed Windows
If you feel air movement near a window that is fully closed and locked, the weatherstripping seal has failed. This is one of the most common issues in older Montgomery Village and Crown Farm homes where original windows from the 1980s and 1990s have been compressing the same weatherstripping for decades. A single drafty window noticeably affects the comfort of an entire room through a Maryland winter and adds real load to your heating system every month.
2. Difficulty Opening or Closing
Windows that stick, bind, or no longer lock properly have typically sustained moisture or frame damage over time. In Gaithersburg’s humid summers, wood frames absorb moisture and swell. Vinyl and aluminum frames from older planned community homes can warp after years of seasonal expansion and contraction. A window that does not operate correctly is also a security concern that should not be deferred.
3. Condensation or Fogging Between the Panes
Fog between the glass layers that cannot be wiped from either surface is a sign the IGU seal has failed and the insulating gas has escaped. Gaithersburg’s consistently humid July and August weather accelerates this failure in aging windows. Once fogging appears, the window has lost most of its thermal performance regardless of how clear it looks on cooler days. The right fix is IGU or full window replacement, not cleaning.
4. Rising Energy Bills Without a Clear Cause
When heating or cooling costs climb without a rate change or change in usage, windows are one of the first places to investigate. Failed seals and deteriorated frames allow conditioned air to escape and outdoor air to infiltrate. Homes throughout Kentlands, Lakelands, and Montgomery Village built in the late 1990s frequently have original windows that are reaching end of useful life and compounding that energy impact across multiple units simultaneously.
5. Visible Frame Damage, Warping, or Deterioration
Cracked glass, warped frames, broken hardware, or bubbling and peeling around the frame edge are signs the window has been structurally compromised. Beyond the performance impact, visible damage affects curb appeal. In Kentlands and other Gaithersburg communities with active HOAs, deteriorating window frames can also become an HOA compliance issue that triggers a notice before it becomes a repair emergency.
Collaborate With Gaithersburg’s Premier Window Replacement Crew
With ProVia certification and over 15 years serving Montgomery County homeowners, ARCH Exteriors is Gaithersburg’s trusted team for window replacement done right. We install ProVia double-hung, casement, sliding, and picture windows with Energy Star certified glass options and a lifetime transferable warranty on every unit. Our team works closely with you from product selection through final walkthrough, and we never use subcontractors. Join the Gaithersburg homeowners who have trusted us for quality installations and straightforward service since 2009.
Who We Are
“We help you complete you project with confidence. From start to finish, ARCH Exteriors will keep you well-informed with clear steps towards finishing you project.”
Serving Gaithersburg For Over 15 Years
ARCH Exteriors has been Gaithersburg’s trusted window replacement contractor since 2009, serving homeowners throughout Gaithersburg, Montgomery County, and central Maryland. We focus on delivering ProVia window installations that combine energy performance, durability, and design options suited to the range of housing styles in this community, from the planned neighborhoods of Kentlands and Lakelands to the established homes near downtown. Our team listens to each homeowner’s specific needs and delivers solutions that hold up through Maryland’s full seasonal range.
FAQs
What can I expect during a free in-home consultation?
Homeowners are often hesitant because of the reputation some companies have for pressuring homeowners to decide on the spot, making them feel uncomfortable in their own home. There is no need to worry about that with us.
When we come out, we are going to listen to what problems you are having to help you determine the best solution for you. We want to help you design a solution that is best for you, that makes you feel comfortable with our company, the products to choose from, and a cost that fits within your budget.
If that design works for you great, and if it doesn’t, we can shake hands as friends and that’s great too. So please feel free to fill out our contact form or give us a call, and feel comfortable, in scheduling your free, no-obligation in-home consultation.
Does ARCH Exteriors offer financing?
Financing a project with ARCH Exteriors is simple and easy. First, you will schedule an appointment to have a design consultant come out to your home. The design consultant will work with you in choosing the products and services needed to complete the project and provide you with the cost to do so. Once you have reviewed the estimate, we will provide you with our financing options allowing you to pick the best one for your budget. The last step will be to submit the application for the plan of your choice, with application approval only taking a few minutes, this makes the process quicker.
Financing Plans Available:
- 12 month No Payments No Interest Plans
- No Money Down Payment Plans
- Low Monthly Payment Plans
- Term Lengths From 12 Months – 144 Months
Why should I choose ARCH Exteriors?
We have been in business since 2009, and have an A+ rating with the Better Business Bureau. We have partnered with the best manufacturers in the industry to provide homeowners with quality products they will not need to worry about once installed. Our installers are trained and certified in all the products we offer.
One of the major things we focus on is helping clients get all the information they need to make the right decision for them and their home.
We do this by first, understanding the specific needs and wants a homeowner has. Next, we help homeowners determine which products and payment options are best to suit their needs and budget. We are committed to educating homeowners, providing quality products to choose from, offering easy payment options, and providing expert installation.
How long does it take to complete a replacement door project?
One of the added benefits of having a door replacement project done is that it can be completed in just one day. A typical installation will be completed following phases:
- Removal Phase
- Removal of the existing door
- Installation Phase
- Installation of new door
- Customer Satisfaction Phase
- Walk-thru inspection to ensure you are completely satisfied
How much does a door replacement project cost?
Replacement doors are available with many options. Homeowners can expect a replacement door project to cost between $1,850.00 up to $22,000.00. The major contributing factors to the cost are:
- Door Material
- Fiberglass, steel, and vinyl (sliding patio doors only)
- Door Type
- Entry Door, Hinged Patio Door, Sliding Patio Door
- Door Options
- Finishes/Color, Sidelites, Transom, Glass, Hardware, Storm Doo
Which door is the best option for me?
When picking out a door for this type of project there are a few things to consider. For entry doors you will want to make sure it works with the intended use as well as provide the proper privacy and security. Patio doors, either sliding glass or hinged can be made to fit the exact need homeowners are looking for maintaining function and beauty.
OUR PROMISE TO YOU
We promise to provide you with expert roofing, siding, window, and door solutions that suit your needs and budget. For more than a decade, our professional team has been delivering unparalleled exterior services to the people of Maryland and Virginia. What you get when you work with us:
- Family-owned and operated business
- The latest in home improvement technology
- Owens Corning Platinum Preferred Contractor
- 24-hour turnaround time on phone calls
Recent Articles
