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Your Position: Home - Construction & Real Estate - Glass & Plastic Sheets

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24 in. x 36 in. x 0.093 in. Clear Glass

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How Much Does it Cost to Replace Window Glass? (2024)

Typical costs range between $180 to $409.

Get Estimate

All products and services featured are independently selected by our editors. However, when you buy something through our retail links, we may earn an affiliate commission.

On average, the cost to replace window glass is $279, but can range from $180 to $409.* Window glass replacement isn’t a do-it-yourself (DIY) job, so in most cases, you’ll need to call in professionals. Because windows play a big role in your home’s energy performance, it might be time to consider glass replacement if you start to notice drafty windows and higher utility bills.

This cost guide covers what affects window glass replacement prices, offers tips on reducing window glass replacement costs, and explains why it’s usually better to choose a pro from our top-rated installation companies instead of doing it yourself.

*Article cost data via Angi, Fixr, and Home Advisor. 

 

 

Window Glass Replacement vs. Repair

In some cases, repair may be preferable to replacement. Here are some of the most common window glass repair jobs.

  • Damaged glass:

    Window crack repair

    involves sealing the

    broken window

    with epoxy and polishing the glass after it sets.

    Window repair costs

    $350, but complex work can cost up to $2,000. This could end up costing more than a window replacement, so get an estimate to compare both options.

  • Foggy windows:

    When a

    window’s seal

    breaks, gas between the

    panes of glass

    can escape. This may lead to moisture buildup between the insulated glass units (IGUs), two

    panes of glass

    separated by a spacer. To fix this, experts recommended replacing one of the IGUs. Repairing a foggy window costs an average of $150.

  • Window leak:

    A window leak generally costs around $100 to repair, but it could cost up to $150 to reseal and another $50 for professional caulking.

  • Window thermal seal:

    The typical cost of window thermal seal repair is $100, but it can be as high as $250. If the damage is significant, replacing the window may be more cost-effective.

Window IssuesCost to RepairWindow Leak$100Window Thermal Seal$100Foggy Windows$150Damaged Glass$350

 

 

Window Glass Replacement Cost Factors

Window glass replacement costs an average of $279, but most homeowners spend between $180 and $409. Window glass replacement costs vary by glass type, window size, the type of window, and your location.

Some types of glass, such as double-glazed and thermal windows, cost significantly more to replace than plate or flat glass. Costs vary primarily because of different strength levels and energy efficiency. According to the U.S. Department of Energy, a low-emissivity (low-e) window coating costs 10% to 15% more than regular windows, but reduces energy loss by 30% to 50%.

The type of window and installation complexity also plays a significant part in glass replacement prices. For example, double-hung windows filled with argon or krypton gas cost more to replace than single-paned windows. Prepare for a much more expensive project if you plan to replace bay or bow windows.

Here is a detailed look into the factors that affect your total window glass replacement cost.

Type of Glass

When you replace your window glass, you’ll have several options at varying price points. The glass type can affect the project’s complexity. For example, installing triple-pane glass is more complicated than installing single-pane glass.

Cost by Glass Type

See how much replacement costs vary by the type of window glass.

Type of GlassCost per Square FootDouble-glazed$3–$6Thermal$10–$14Laminated$10–$20Tempered$12–$14Plate/flat$25–$100

We’ve gone into greater detail about each window glass type below:

  • Double-glazed:

    Double-glazed

    windows are also known as

    double-pane windows

    , which have two

    panes of glass

    with a pocket of air between them. This space is typically

    gas-filled

    with

    argon

    or

    krypton

    gas, which helps slow the heat transfer between your home and the outdoors. Replacing

    double-glazed

    window glass costs between $3 and $6 per

    square foot

    .

  • Thermal:

    Thermal glass or thermopane glass is made out of two or three

    panes of glass

    . The space between each glass layer is insulated to improve your window’s

    energy efficiency

    . Sometimes, moisture buildup between the panes can cause the windows to look foggy, which often requires replacement. Thermal window glass typically costs $10 to $14 per

    square foot

    .

  • Laminated:

    Laminated glass is a type of

    safety glass

    using two or more tempered glass layers with one or more plastic interlayers. This extra layer of space between the panels offers noise-reduction properties but also makes installation more difficult. Laminated glass can block 99% of

    UV rays

    and is often used in

    skylight

    glazing or areas prone to tornadoes and hurricanes. Expect to pay $10 to $20 per

    square foot

    to replace laminated glass.

  • Tempered:

    This type of

    safety glass

    breaks into tiny granular chunks instead of dangerous shards. You’ll commonly find tempered glass in

    shower doors

    or car windshields. Tempered glass replacement costs $12 to $14 per

    square foot

    .

  • Plate:

    Plate glass is a type of flat glass used in large

    picture windows

    . Plate glass is clear with few irregularities, but it scratches easily and isn’t the best insulator. Plate glass costs $25 to $100 per

    square foot

    .

Window Size

The window size is one of the most important factors in determining the total cost of window replacement. Generally, the glass in larger windows is costlier and more complicated to install. Replacing large panes requires more skill and labor, which increases the cost. Glass thickness is also a factor. Standard window sizes are between 1/8- and 1-inch thick. Changing the glass thickness may mean you also need to replace the frame, which costs $200 to $600.

Cost by Size of Window

Below you’ll find standard glass sizes and prices based on double-pane glass, with each pane being 1/2-inch thick.

Window Size in InchesCost of Materials24″ x 36″$130–$18030″ x 36″$160–$27024″ x 54″$200–$28536″ x 42″$320–$42028″ x 58″$330–$44046″ x 46″$380–$52046″ x 54″$650–$810

Type of Window

The type of window has a big impact on window glass replacement cost. Each type has a different number of panes that come in various sizes.

Cost by Window Type

Here’s a breakdown of the cost of window glass replacement by window type.

Window TypeCostSingle-pane$50–$100Double-pane$100–$300Casement$150–$1,200Picture$175–$1,000Triple-pane$300–$1,000Bay window (3 panes)$500–$3,800Bow window (5+ panes)$1,000–$3,000
  • Single-pane window:

    Single-pane windows

    only have one layer of glass and are commonly found in

    older homes

    . Although this

    type of glass

    is relatively inexpensive, it has poor insulation and noise reduction. Most

    homeowners

    pay $50 to $100 to replace a

    single-pane window

    .

  • Double-pane windows:

    Double-pane windows

    are two layers of glass, which is the standard in most homes today. They have better insulating capabilities, so

    homeowners

    can save more money on utility bills.

    Double-pane windows

    cost $100 to $300 for glass replacement.

  • Sash/sliding window:

    These are windows that open vertically made of two sliding framed

    window sashes

    . The price for sliding sash windows is between $100 and $900.

  • Casement window:

    A

    casement window

    has hinges on its side and opens outward using a crank handle. These are great for maximum ventilation and can be combined with other

    types of windows

    . The

    average price

    is $150 to $1,200.

  • Picture window:

    A

    picture window

    is a fixed-frame window, which means that it doesn’t open.

    Picture windows

    are usually large and allow

    homeowners

    to maximize their outdoor view. They are frequently used as the center of bay or

    bow windows

    .

    Picture windows

    cost $175 to $1,000.

  • Triple-pane window:

    Triple-pane windows

    have three layers of glass that offer maximum protection from the environment. According to the Department of Energy, most homes lose about

    30% of heating energy

    through windows, and

    triple-pane windows

    offer

    homeowners

    the chance to minimize this loss. Expect to pay $300 to $1,000 to replace one

    triple-pane window

    .

  • Bay window (three panes):

    A

    bay window

    combines three windows—usually a

    picture window

    at the center and two

    casement windows

    on either side—that extend outward from the home. These windows are an investment, and replacing the three glass panes costs between $500 and $3,800.

  • Bow window (five+ panes):

    Bow windows

    also extend outward from the home, but they form more of an arc-shaped structure and have at least four sections of

    casement windows

    . The price to replace the glass in

    bow windows

    with five or more panes starts at $1,000 and can go upward of $3,000.

Geographic Location

Your geographic location could impact how much your window glass replacement costs. Homeowners living in colder areas should prioritize investing in glass with better insulation properties. Those in warmer climates should consider windows with adequate ventilation and window films designed to reduce cooling costs.

Get Estimates From Local Window Installers Near You

Just answer a few questions, and we’ll take care of the rest!

Find Local Pros

 

 

Professional vs. DIY Window Glass Replacement

Replacing window glass is complicated and most homeowners choose to hire a professional they have experience with this type of project. If you choose to DIY, it will cost between $200 and $830 for the glass and supplies.

While DIY window glass replacement can save you money, contractors can install the glass properly and can generally finish quickly. Plus, they’re able to offer warranties and guarantees on their work.

Professional Glass Replacement

The first step to professional glass replacement involves measuring for new windows and assessing the type of window and the glass’s thickness and size. Next, they’ll carefully remove the existing damaged or broken glass, taking precautions to avoid damaging the surrounding area. After they clean and prepare the window frame, the contractor will remove any debris. The new glass is then measured, cut, and fitted into the frame.

Window installation cost is between $50 to $75 per hour to replace window glass and most projects take 30 to 45 minutes; however, some replacements could take as long as 90 minutes.

Here are some benefits of hiring a pro to replace your window glass:

  • A professional knows how to create a watertight seal to prevent air leaks and the buildup of moisture.

  • You’ll avoid building code violations.

  • A professional knows what permits you’ll need, if any.

  • A professional can do custom or complex window glass replacement.

  • Contractors can purchase materials wholesale, which costs less than what’s available at

    home improvement

    stores such as Lowe’s or The

    Home Depot

    .

  • Reputable

    window installers

    often provide

    warranties

    or guarantees on their work.

DIY Glass Replacement

Unless you know how to replace window glass, we don’t recommend tackling this project yourself. Glass is fragile and can easily break. Window glass replacement requires precise work to ensure the glass fits in the frame and to prevent air leaks or sealing problems. Plus, glass replacement could take longer for homeowners and leave your home looking like a construction zone.

Below are a few more considerations before you attempt DIY window glass replacement:

  • You’ll need to purchase materials to

    DIY

    , which costs $100 to $630 for the glass itself and $100 to $200 for supplies. You still need to purchase the glass when you hire a pro, but you could end up spending less on

    labor costs

    than supplies.

  • Depending on the window glass manufacturer, the

    warranty

    may only be valid if replaced by a professional

    glazier

    .

  • Incorrect installation can lead to mold growth or water damage. Most professionals charge $10 to $25 per

    square foot

    to remove mold; water damage repair costs between $3.75 and $7.00 per

    square foot

    on average.

  • Your home will be exposed to the elements throughout the project’s duration.

 

 

How to Reduce Window Glass Replacement Costs

Here are a few saving tips to lower your window glass replacement cost.

  • Don’t customize:

    Custom windows cost

    more than standard. Keep customizations minimal, and don’t change the thickness of the glass. 

  • Use affordable brands:

    You can choose the

    best replacement windows

    , even on a budget. Compare

    affordable window replacement brands

    to help lower the cost of replacement glass.

  • Install energy-efficient windows:

    Windows with better insulation can lower your long-term costs.

    Adding storm windows

    can also reduce heat loss through windows by 25% to 50%.

  • Get multiple quotes:

    Get at least three quotes from professional window

    glaziers

    in your area.

  • Schedule replacement during slower seasons:

    Windows companies are busy during fall and spring. Schedule window glass replacement during summer or winter when there’s less demand.

  • Replace multiple panes at the same time:

    Window companies may offer a discount if you replace several window panes at once.

 

 

Extra Options to Consider When Replacing Window Glass

There are other projects and add-ons to consider when you’re replacing window glass that go above and beyond just changing the glass. Below you’ll find common upgrades when replacing window glass.

Frame Replacement

You can replace the whole frame instead of just the glass. If your window frames are old or damaged, window frame replacement may be a better option. Window frame replacement costs between $184 and $598, with an average of $379.

Window Film

If you’ve considered window film, now would be the best time to if you’re already replacing the glass. A few popular choices include:

  • 3M window film:

    This costs $2 to $14 per

    square foot

    , depending on the type. 3M window film offers better privacy, security, and protection from glare.

  • Low-e glass coating:

    A

    low-e coating

    costs $300 to $1,000 per window, but it can increase your home’s

    energy efficiency

    without obscuring sunlight or your view.

  • Security window film:

    Security films make it difficult to break the glass and

    homeowners

    use it to protect against intruders, accidents, and natural disasters. It costs $7 to $9 per

    square foot

    .

  • Smart window film:

    Smart glass costs $50 to $100 per

    square foot

    . It allows

    homeowners

    to adjust the tint using a smartphone.

  • Solar window film:

    A solar window film is a thin layer that helps block out the sun’s

    UV rays

    and lower the amount of heat that flows through your windows. This type of film costs between $8 and $14 per

    square foot

    .

Window Tinting

Window tinting is one way to have better control over your home’s temperature and privacy. All window tinting is film, but not all film is tinted. Tinting also involves changing the window’s shade or color, while most films are clear. Window tinting prices range from $7 to $110 per square foot.

 

 

Our Recommendation

An avid DIY’er may think they can handle window glass replacement themselves, but we recommend hiring a pro to get the job done correctly. Reach out to at least three professional glaziers to compare window glass replacement costs and find the best companies for window replacement. Request detailed quotes and read the fine print on warranty options.

Get Estimates From Local Window Installers Near You

Just answer a few questions, and we’ll take care of the rest!

Find Local Pros

 

 

Window Glass Replacement Cost FAQ

Is it cheaper to replace an entire window or just the glass?

In most cases, replacing just the glass instead of the entire window is more cost-effective. Replacing the window costs $850 on average, while glass replacement is $279. Replacing the glass will give you many of the same benefits as a new window, such as energy savings and better climate control.

How do you replace one piece of glass in a window?

You’ll need to remove the pane from the window frame and find a replacement that’s the same size and width. You could cut your own glass, but this is difficult and dangerous work. Then, you’ll mount and glaze the window and ensure a watertight seal.

What are the benefits of replacing the glass in a window?

Replacing window glass can improve your home’s insulation. This can help to lower your heating and cooling costs and keep your home at a comfortable temperature.

What is the cost of a window replacement?

Window replacement costs $300 to $2,100 per window, with an average cost of $850. Cost depends on several factors, such as the window material, type, and size, as well as whether you want a full-frame or retrofit replacement.

What is the cost of replacing window glass?

Replacing window glass costs $180 to $409, with an average cost of $279. The main cost factors are glass type, window size, type of window, and geographic location.

Glass & Plastic Sheets

How Much Does it Cost to Replace Window Glass? (2024)

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