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Stress cracks can sometimes appear in newly installed windows, but they are not necessarily related to the age or quality of the window itself. According to Pella engineers, stress cracks are often influenced as much by the architectural design and shading conditions of the home as by the glass in the window. Changes in sunlight exposure, temperature fluctuations and shading patterns can all contribute to thermal stress on the glass over time.
In some cases, a stress crack may be temporarily repaired using a glass repair solution designed to help limit the spread of the crack. However, because stress cracks are caused by ongoing expansion and contraction in the glass, the crack may continue to grow over time. Depending on the size, location and severity of the damage, replacing the glass or the entire window may be the best long-term solution.
Windows that crack without an obvious impact are often experiencing thermal stress cracks. These cracks develop when different areas of the glass heat up or cool down at uneven rates, causing the glass to expand and contract unevenly. This most commonly occurs when one portion of the window is exposed to direct sunlight while another remains shaded. Rapid seasonal temperature swings, large panes of glass and partial shading from trees or roof overhangs are some of the most common causes.
Window replacement projects can contribute positively to resale value, particularly when they improve energy efficiency, curb appeal and overall home condition. According to the Remodeling 2020 Cost vs. Value Report, new vinyl windows can return homeowners more than 73% of the project cost at resale.*
Beyond material selection alone, buyers often respond to the overall condition and performance of the windows. If a home’s windows appear near the end of their lifespan, it may influence perceived value during a sale. Upgrading window materials can play a role in strengthening that perception, especially when the improvement aligns with the home’s architecture and the expectations of buyers in your market.
Fiberglass often appeals to homeowners seeking added durability and dimensional stability, particularly in climates with wide temperature swings. Whether it’s worth the cost depends on performance priorities and long-term expectations.
While every home is unique, the most significant drivers of project cost typically include the choice of premium frame materials, the complexity of a full-frame installation compared to an insert and the selection of specialized glass or custom-shaped units. Additionally, addressing unforeseen structural issues, such as frame rot or water damage discovered during the removal process, can also influence the final investment.
Generally, yes. Larger projects allow for better labor efficiency and streamlined logistics, which may make the project more cost-effective on a per-unit basis.
Yes. Phasing a project is a common way to manage budget flexibility while still addressing your home's most immediate needs.
Lifespan varies by material, installation quality and environmental exposure. Proper installation plays a key role in long-term performance.
Yes. Full-frame replacement generally costs more due to additional labor and materials.
Quotes reflect differences in materials, window sizes, installation methods, regional labor rates and project complexity.
Yes, the Pella Promise requires help from a Pella expert to ensure the right product for you and to set up your no mess, no guess installation day.
Depending on the type of installation (pocket replacement or full-frame replacement), it can take anywhere from a few hours to two days for a professional to install a window. This estimate assumes that the conditions of the project are ideal and no unexpected issues arise. It usually takes longer for homeowners who choose to install windows themselves.
A number of factors affect the price of a window, including window type, material, features and options such as grilles and hardware and more. To get accurate pricing for your unique project, schedule an in-home appointment with a local Pella expert.
One of the most common front door sizes in American houses is 36 inches wide by 80 inches tall, and almost 2 inches thick. However, not all doors will have these measurements.
There are two types of methods for installing replacement windows. The complexity of your window renovation project will determine which method is right for you. Pocket installation is the easiest route. This type of installation is used when you are replacing the same type or size of the window. If you’re doing a more complex upgrade to your existing windows, you’ll have to look into full-frame installation. As far as who does the installation? You can work directly with one of our distributor installers who are versed in all things Pella windows or look into hiring an independent contractor locally.
Great windows offer ventilation, look beautiful, help save energy, reduce noise and keep your space safe. If your windows aren’t doing one or more of those things, it may be a sign your windows need replacing. This article shares five situations to help you decide if your windows could be doing more for you and your lifestyle.
It depends on the quality and type of material the window is made of, the local climate and weather events, how well the window was installed, how often the window is opened, how often maintenance is performed and more.
There are a lot of choices that can impact a new front door’s cost — including material selection, panel style with or without glass, accessories, and hardware. A new front door can cost anywhere from several hundred to a few thousand dollars depending on what you select.
Reach out to your local service and parts team. Go to pella.com and enter zip code for a listing of service departments.
Energy efficiency, reduced noise and curb appeal are among the key benefits of replacement windows.
Members of your Pella Showroom team – including your in-home representative and installation professionals – will wear their Pella identification. We'll respect your time and your home and give you the information you need to make the best decision for your project.
Yes, it is the same product and has the same warranty.
Pella does not recommend painting these materials. If the paint contributes to a defect in the product, the defect would not be covered under the warranty.
The warranty automatically comes with your product when you purchase it. If you have a warranty question, you can contact Pella Customer Service at 877-473-5527 or see written warranties for complete details.
Pella does not have a time limit on this; however, we do recommend you install your product as soon as possible to avoid storage damage. Pella is not responsible for damage from improper storage.
If the tinting contributes to a defect in the product, the defect would not be covered under the warranty.
Thermal stress cracks are often identifiable because they begin at the edge of the glass and extend inward at a perpendicular angle. According to Pella customer support representative Faye Howard, the crack will typically run straight from the glass edge for about a half-inch before it may begin to spider in other directions. In some cases, cladding or trim may make the edge of the glass difficult to see.
Pella engineers recognize three general types of window cracks: thermal stress cracks, impact cracks and pressure cracks. Thermal stress cracks typically begin at the edge of the glass and form at a perpendicular angle due to sudden temperature swings or shading changes. Impact cracks create a starburst pattern that radiates outward from a central point after the glass is struck. Pressure cracks resemble the curve of an hourglass and can occur in insulating glass windows when there are significant elevation differences or drastic pressure changes in the weather.
Vinyl is often considered a value-focused option because it typically offers an accessible starting price point and low maintenance requirements. However, project costs can vary based on window size, style, glass packages and installation complexity.
Longevity varies based on climate, installation quality and maintenance. Each material is designed to perform well when properly specified and cared for.
Wood typically involves higher material costs and greater customization, which increases manufacturing and finishing requirements compared to vinyl.
It can. Older homes may require more detailed labor to handle delicate trim or to address hidden issues like frame rot that only become visible during the replacement process.
Quotes vary because they reflect different choices in glass, installation methods, and the thoroughness of the work required to protect your home’s structure.
Beyond the products, replacement projects can involve complex installation requirements, regional labor rates, and the specific condition of your home's exterior and interior.
Lower-cost options may suit some projects, but durability, comfort and maintenance should be considered alongside upfront price.
Replacing multiple windows together can streamline installation, but total cost still depends on window size, type and configuration.
Yes, and we offer some of the best warranties in the industry. However, when you work with a Pella expert and schedule a free, in-home consultation, you receive the Pella Care Guarantee in addition to our product warranties.
Windows can be installed any time during the year, including winter. Spring is the busy season, but window installation is not necessarily a seasonal project. If your windows need replaced, there’s no need to wait for warmer weather. Pella professionals install one window at a time and take extra precautions to ensure your home stays warm and comfortable during winter installs.
There are a number of factors to consider when it comes to buying a new patio door, from materials to design to functionality. The right patio door can cut energy costs, create a design focal point and improve the value of your home. Learn more in our guide to patio doors.
To replace a front door, first think about your budget and requirements for a new door. Then select a style you like and make the purchase. Read this article sharing what to expect when it comes to entry door installation.
Measure the width and height of your existing patio door with a tape measure. Follow these instructions to ensure you take accurate patio door measurements.
When it comes to measuring your windows for replacement, remember to measure the product width and height. Follow these instructions on how to measure windows and get the most accurate dimensions.
There are a number of factors at play when you’re shopping for replacement windows for your home. In addition to a window that enhances the beauty and energy efficiency of your home, you want a window that suits your lifestyle and your budget. As you start shopping, check out this article that helps you focus your window search and find the windows that are right for your project.
It depends on why you are replacing windows. If a window is not functioning properly or is broken, it might be best to replace only that window. If you are looking to improve your home’s energy efficiency, update the entire look or reduce noise, replacing your windows all at once will likely achieve those goals more quickly and cost-effectively.
A pre-hung front door means that the panel, or the swinging part of your door, is already hung in a frame. When you buy a pre-hung door to replace your old one, the existing door, frame and trim must be removed before replacing it with a new pre-hung front door. Exterior pre-hung doors can also be used on new construction builds.
Window and door replacement is simple and worry-free with the Pella Promise. You’ll get a dedicated expert to guide you through the process, the right products for your needs, and a no-mess installation by certified installers. Available exclusively through an in-home consultation, we can ensure you have peace of mind with our industry-leading warranties. Experience the difference with Pella. Read more about the Pella Promise.
You can absolutely visit your local Pella Showroom, however, we do ultimately need to send a Pella representative to your home to confirm measurements of your windows and doors. During an in-home consultation, we'll bring samples and options right to your home – making it easy for you to compare different colors, hardware options, grille patterns, and more – to the existing finishes in your home. And, you'll get a quote on-the-spot.
There are two main sources of cost. First, the products – including the features and options you choose. And second, the installation cost – including labor. The cost of your project will depend on the needs of your unique home. When you're ready, you can schedule a free, in-home consultation for a quote.
The warranty comes with your product when it is purchased. All you need to provide when you have a warranty issue is the serial number shown on the product, the purchase order, or the order number from your purchase. For parts, please contact customer service at 877-473-5527.
The length of coverage varies for different product components and service labor within a product warranty. The product warranties cover the cost of labor for the first two (2) years from the date your product is purchased. See written warranties for complete details including the specific labor and product component warranty periods.
No, if Pella’s installation instructions are followed, your product is covered by the product warranty. See our installation instructions here.
Limited lifetime warranty coverage, in warranties that include this coverage, applies to the original purchaser of Pella products in an owner-occupied single-family residence. See written limited warranty for details, including exceptions and limitations, or contact Pella Customer Service at 877-473-5527.
If the modifications contribute to a defect in the product, the defect would not be covered under warranty.





Refresh your space with a stylish, light-filled bow window upgrade.