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Glass-only replacement can make sense for isolated damage, but a full window replacement may be the better long-term choice when the window has broader issues.
- Consider glass replacement for smaller damage: Glass replacement is ideal for cracked, chipped or broken panes in a solid, well-installed frame.
- Look beyond glass for signs of window failure: Drafts, damaged or warped frames, difficult operation and failed seals can indicate it’s time to replace the entire window.
- Factor in the age and window type: Older or single-pane windows may benefit more from full replacement over a glass-only repair.
- Think about long-term performance: Newer ENERGY STAR®-rated windows can improve efficiency while providing updated frames, glass and warranty coverage.
Whack! A baseball crashes through your kitchen window. What now? Window damage is something that can happen to any homeowner. If it happens to you, it’s time to consider whether to do a glass-only replacement or a full window replacement. The answer for glass replacement versus window replacement varies depending on your situation.
Before making any final decisions, learn about all of the options available to you and consider your end goal. Do you want to simply repair a damaged window that’s otherwise in good shape? Are you looking to increase your home’s value, energy efficiency and curb appeal? Deciding when to replace windows can be tricky. Let’s answer some questions to determine whether you should replace one pane or the whole window.
At a Glance: Glass Replacement vs. Window Replacement
| Factor | Glass-Only Replacement | Full Window Replacement |
|---|---|---|
| Best for | Frame is still solid with one cracked, broken or foggy pane | Old, drafty, damaged or single-pane windows |
| Typical cost | Lower cost, since you’re paying for glass and labor, not a new frame | Higher upfront, with a one-time investment |
| Energy-efficiency gain | Likely minimal | Significant for an ENERGY STAR-rated unit, frame included |
| Timeline | Hours to a few days (custom-cut glass often needs ordering) | Hours to a few days, depending on how many windows are replaced |
| Warranty coverage | Varies by installer. Often glass-only, not the full unit. | Lifetime warranty on parts and labor with Window World |
Can You Just Replace the Glass in a Window?
Yes, you can replace just the glass in most cases, leaving the existing frame in place.
Glass-only replacement is almost always the more affordable option. Take that with a grain of salt, though. If you have triple-pane or double-pane windows, replacing the glass is both more expensive and more complex than with single-pane windows. Since many multi-pane windows include gas and spacers between each pane, you will have to special order each replacement, and these costs can quickly add up. If your windows are dated, leaky, single-paned or poorly installed, it’s worth your time to consider a full window replacement.
Signs You Only Need Glass Replacement
If the damage is truly minor and isolated to one pane in an overall solid window, glass replacement may be a better choice. Here are some signs to look for:
- A single pane is cracked, chipped or shattered.
- The window opens, closes and locks normally with no visible warping or damage.
- There’s no draft, moisture or air leaks around the frame.
- The window is otherwise well-installed and in good shape.
Signs You Need a Full Window Replacement
If cracked or chipped glass draws your attention to other problems with your window, a full window replacement will benefit you most. Here’s some potential pain points to watch for:
- There are persistent drafts or air leaks around the window, even when it is closed or locked.
- There is condensation or fog trapped between the panes. This is a sign the seal has failed. The only solution is a new window.
- You can see visible rot, warping or damage to the frame or sash.
- The window is difficult to open, close or lock, or won’t stay open on its own.
- Your window is single-paned. Replacing just the pane won’t deliver a meaningful energy upgrade.
- You’ve noticed rising energy bills tied to that room or window, or you want to improve curb appeal and home value.
How Do You Replace Only the Glass in a Window?
The process of repairing broken glass in a window is overall pretty simple. Depending on what kind of window frame you have, the difficulty varies. Vinyl window frames are much easier to work with than wood ones because of their flexibility.
Preparation
- Remove the window sash, which is the moveable part of the window. To remove the sash, lift and pull from the bottom. Once that’s off, place it on a flat, even surface.
- Before removing the glass from the window, put on eye protection and cut-proof gloves. Using tape, seal the shattered or broken areas of the window. The tape binds all the shards and pieces together to prevent unnecessary injury or cleanup.
- If you can, try to remove the whole pane in one piece. If it’s stuck, wiggle it back and forth to free up the pane. You may need to use a knife to break the seal between the glass and glazing medium.
Replacement
- To get the perfect pane of glass, we suggest having a glass shop or home improvement store cut it for you. Before you do that, measure the height and width of the pane opening. Also measure the thickness of the old glass. Once that’s done, you can get your glass cut.
- Next, test the pane in the opening before installing to check the fit. Depending on what kind of window you’re working with, you may need to use a window glazing compound and metal glass points or double-sided tape to position the pane in the glass. Glazing compound and glass points are for wood windows, while the double-sided tape is for vinyl and aluminum windows. Only seal the window once you are sure you have it correctly positioned.
Keep in mind, window glass of any kind can be tricky and there are plenty of injury risks involved. It’s generally best to leave the process to experts rather than taking a DIY approach. Luckily, we offer professional installation for windows, and with our lifetime warranty, your windows can receive service from qualified professionals when needed.
Cost Comparison: Glass-Only Replacement vs. Full Window Replacement
One common reason many homeowners pursue glass replacement over window replacement comes down to simple cost. When presented by itself, glass replacement might seem like a better deal than replacing the full window. However, that’s not considering the long-term payoffs.
Replacing one pane of glass definitely is quicker and cheaper, but the process gets complicated (and more expensive) if you have to replace glass in double-pane or triple-pane windows. Even without factoring in the costs related to having broken argon gas seals between the panes, you’d need to order custom replacement panes, which can send prices higher.
Although full window replacement costs more upfront, it’s a single expense that gives you long-lasting protection. Plus, if you purchase with Window World, you’ll get exceptional warranty coverage and ENERGY STAR-certified energy efficiency that reduces your monthly utility bills. These long-term cost benefits can really add up. Find more information on specific pricing here.
Ultimately, the determining factor in whether replacement is worth it comes down to the age and condition of your window. If the frame is in good shape, it may be worth considering glass replacement. However, if it’s older or a single-paned window, full window replacement is almost always worth it.
Why Whole-Window Replacement Usually Wins Long-Term: Energy Efficiency
Window replacement improves your home’s energy efficiency, curb appeal and durability. You’ll notice a difference in your energy bill and, should you choose to sell your home, updated windows increase your home’s value.
Window World windows lower your energy bills by utilizing a variety of energy-efficiency features. Here’s how they work:
- Argon gas: This colorless, odorless, non-toxic gas is sealed between panes of glass. It’s denser than air, making it ideal as additional insulation against outside temperatures. This helps prevent heat from entering or escaping your home, depending on the season.
- Low-E glass: Low-Emissivity (low-E) glass is treated with a microscopically thin metallic coating that reflects infrared (IR) and ultraviolet (UV) light. In the summer, this bounces the sun’s heat away from your home, and in the winter, it reflects your home’s heat back inside. This leads to stable indoor temperatures year-round.
Why Homeowners Choose Window World
At Window World, we’re experts dedicated to providing Coloradans with high-quality replacement windows. Every piece of our windows is manufactured to last, but should your glass need replacement, we’re here to help. With our professional installation and lifetime warranty on both parts and labor, you can rest assured you’re in expert hands in the unlikely event something goes wrong. Give us a call today to set up a free estimate.
Frequently Asked Questions
Can you replace just the glass in a window?
Yes, you can replace a pane of glass without replacing the full window. That being said, this is easiest on single-paned windows, and those come with a host of other concerns that leave your home unprotected from seasonal temperature shifts and rising energy costs. We’d recommend switching to double- or triple-pane windows for Colorado’s weather patterns.
Is it cheaper to replace the glass or the whole window?
On a purely financial basis, it’s unquestionably cheaper to just replace the glass. If your window is older or single-paned, however, it makes sense for a whole host of reasons to upgrade to a new, double- or triple-pane window. In the long run, you’re preventing higher costs on energy bills and, if investing in Window World windows, adding a valuable lifetime warranty that gives you lasting peace of mind.
How long does window glass replacement take?
The process depends on whether a professional is taking out the glass. Professionals perform service repairs like this day in and day out. They can switch out a pane very quickly and easily, with the entire process completed in under two hours for most projects. DIY attempts may take significantly longer, and there are risks involved. For this reason, we always recommend contacting a professional.
Does Window World replace glass panes or only install full windows?
Window World performs service repairs for our customers, but not general window repair or replacement services for broken glass outside of our products. We offer a limited lifetime warranty that covers seal failures and manufacturing defects, but not glass breakage outside of specific packages, like our SolarZone™ glass packages. If you have any questions about our warranty coverage, you can find our warranty in full here.