Your Questions, Answered

Yes. Our windows are designed to be as energy-efficient as they are beautiful. Our energy-efficient windows help keep heated and cooled air inside your home where it belongs. This allows your HVAC system to work more efficiently, reducing the amount of greenhouse gases your home releases into the environment and saving you money on your energy bills every month. Learn more about what makes our windows energy efficient in the video below or visit our energy efficiency page.

When deciding if you need to replace your old windows, watch for these few key warning signs that tell you it’s time to upgrade your home with new windows:

• Windows are hard to open and close
• You feel a draft, even when the windows are closed
• Your monthly utility bills have increased
• Condensation forms on the inside of your window

Should you experience problems with your replacement windows, we can help you quickly resolve most of them when you check out our Virtual Help Center page. Here you can find videos and guides that address some of the most common questions we receive. If you need further assistance, feel free to contact our showroom during normal business hours.

Yes. Replacing your old windows with new Window World replacement windows can help raise the value of your home for a high return on investment.

At Window World of St. Louis, we proudly offer a wide range of window styles for our customers, from traditional to contemporary. All of our windows are built for easy operation, improved curb appeal and increased energy efficiency. Explore our window styles and discover the best fit for your space.

Your home deserves a product that provides protection against outdoor elements, which is why we craft our windows using durable, vinyl frames. Vinyl withstands harsh weather conditions and requires little maintenance for easy cleaning. The combination of functionality, beauty and affordability makes vinyl windows a popular choice for homeowners everywhere.

The term “Any Size” refers to any size replacement double hung window our manufacturer will construct. Currently this is a minimum width and height of 15″ X 26″ and a maximum of 48″ X 78″. “Installed” refers to the removal of a basic double-hung wooden window and installing your new Window World double hung replacement window, using the existing wooden stops.

The windows are manufactured by Associated Materials Incorporated (AMI) in Akron, OH. AMI was founded in 1947 and is one of the largest replacement window manufacturers in the world.

After installing your new replacement windows we remove every bit of debris from your property and dispose of it properly. If you wish to keep your old windows, glass or storm windows, please notify the installer as soon as he arrives for your installation.

Yes. Window World of St. Louis offers a wide selection of color options, glass designs and door styles to personalize your home. You can easily match your style and individual taste. Explore our door styles to customize your home’s look.

Yes. Our replacement doors offer excellent thermal insulation to keep your home consistently comfortable throughout the year. Crafted with superior weatherstripping and Low-E glass, our energy-efficient doors retain heat in the cooler months and reflect it in warmer months.

Window World of St. Louis offers a large selection of replacement door options. Some styles swing outward while other styles slide left to right for space-saving operation. No matter the door style, you can expect easy operation for everyday use.

Yes. Window World of St. Louis proudly offers insulated vinyl siding that will help lower your monthly energy bills while instantly boosting your home’s curb appeal. Browse our energy-efficient siding products and find the right series for your home.

Yes. Our replacement vinyl siding series require little maintenance yet still hold up against the harshest of storms. Built with thick panels and advanced lock designs, our siding provides superior holding power, keeping it tight on walls—even in extreme winds.

Our replacement siding is engineered with the highest performing vinyl, plus insulation. Vinyl siding protects your home, keeping it beautiful for a lifetime.

Yes. Our replacement siding is offered in a variety of eye-catching colors. Explore our vast selection of siding series and color options and select which color best suits your home.

Most homeowners complete home improvement projects in spring and fall, but Window World of St. Louis provides replacement services throughout the year. In fact, we complete cold weather installation during the winter months.

Your replacement windows will be installed within 4-8 weeks from the date that the final measurements are taken. The type of replacement window being installed and type being removed help determine the amount of time needed to install your replacement windows. On average each window takes about 30 minutes. Trim work and cleanup will require additional time to complete. An average job will take a single day.

Please take down curtains, blinds, or any other window treatments. Security sensors should also be removed and turned off by your security company. Please provide our installation expert with a clear path to the window(s) being replaced by moving anything that may be in the way. It is also advisable to remove all wall decorations from the walls close to the windows as they may fall during removal or installation.

Yes. When it comes to installing your new windows, doors or siding, our factory-trained installers are here to ensure you receive the smoothest installation possible.

The majority of our replacement windows are installed from the inside. In some situations it may be necessary to install from the outside.

Window World installs replacement windows year-round. A standard install will take only one day. Our installers install one window at a time and are trained to do what ever necessary to minimize heating/cooling loss. The energy savings from the new windows will recover any additional costs incurred within a few days.

No. We do not sell windows for self-installation. Our professional installation process is part of our award-winning product. Watch the video below to learn more about why we include professional installation with our products.

Window World of St. Louis offers flexible financing options to help you enjoy your new replacement products when you want them. Your Window World expert will work with you to find the best payment plan for your project.

During your free in-home estimate, you’ll receive the price of your replacement products. Every project is custom so we are unable to give specific pricing information over the phone or online.

You can find information about our financing options here.

All of our Window World replacement windows come with a limited lifetime warranty. However a double lifetime “transferable”, lifetime glass breakage, lifetime seal failure, and installation warranties are available. Contact us for more details.

Yes. Designed with energy-efficient features, our replacement products help to lower your energy bills, keeping your home comfortable year after year.

Determine your predicted savings by using our savings calculator found on our energy efficiency page.

Our estimate process is simple. If you choose an in-home estimate, a Window World professional will come to your home to discuss the best replacement options to fit your budget as well as your style. Our expert will ensure all your questions are answered, spending the time to provide product demonstrations and inform you on energy-efficient opportunities.

There are a few surefire signs that your windows need to be replaced. These include:

• Noticeable damage like broken panes or dented frames
• Leaky window or rotting frames
• Higher energy bills with no other obvious explanation
• Difficulty opening and closing them, even after lubricating the tracks
• You can hear too much outside noise
• You notice condensation on the inside of the pane or between the panes of multi-pane windows (condensation on the outside of the pane is normal)

If one or more of these sound familiar, we recommend replacing your windows as soon as possible. You’ll enjoy more comfortable interior temperatures and lower energy bills!

Watch the video below to learn more about the top 6 surefire signs that your windows need to be replaced.