How much does it cost to replace double-hung windows?

Avg. range: $350–$1,600

Highlights

• The national average cost to replace double-hung windows is around $350-$1,600.
• Exact cost depends on window size, frame material, glass type, and local labor rates.
• DIY may save you money, but a pro can often ensure a proper, energy-efficient seal.
• You might save by getting multiple quotes and choosing standard window sizes and materials.
• The window's location and the surrounding frame condition can also affect the price.

Average double-hung window replacement cost

Cost breakdown

What affects the cost of double-hung window replacement?

• Window materials: The type of frame and glass will significantly affect the price. For example, vinyl window frames are often more affordable than wood or fiberglass, while triple-pane or low-E coated glass costs more than standard double-pane glass.
• Labor rates: The cost of labor varies by region and the installer’s experience level. Seasoned pros may charge higher hourly rates but get the job done more quickly.
• Window size and type: Larger windows may require more materials and labor, increasing the cost. Custom-sized or specialty-shaped windows are also more expensive than standard, off-the-shelf sizes.
• Job complexity and accessibility: Replacing a window on the third story will likely cost more than one on the ground floor because it requires additional equipment and safety measures. Similarly, windows that are difficult to access may increase labor time.
• Prep work and repairs: If the existing window frame, sill, or surrounding wall is rotted or damaged, your pro will need to repair it before starting the installation. This extra work adds to the overall project time and cost.

DIY vs. hiring a pro to replace double-hung windows

DIY:

• Potential cost savings: Labor can significantly increase your installation costs. However, DIY may require you to buy or rent tools like a caulk gun, level, and pry bar, which can bring unexpected costs.
• Skills and risks: Proper installation requires precision. Common DIY mistakes, such as improper sealing or flashing, can cause air leaks or water damage, which may compromise the window's energy efficiency and lead to more costly repairs down the road.
• Time commitment: Replacing a window can be a time-consuming project, especially if you’re unfamiliar with this type of work. Factor in the time it takes to learn the process, purchase materials, and complete the installation.
• When it might work: A DIY replacement may be a reasonable option if you have relevant experience and are replacing a single, standard-sized ground-floor window, provided the existing frame is in good condition.

Hiring a pro:

• Quality and efficiency: While hiring a pro may cost more up front, they can typically complete the job faster and to a higher quality standard. A professional installation often ensures the window is perfectly plumb, level, and sealed.
• Warranty and liability: Many professionals guarantee their workmanship, giving you peace of mind if issues arise. They should also carry liability insurance, which can protect you from financial responsibility for accidents or property damage during the project. It's also worth noting that many window manufacturers require professional installation to keep the warranty valid — a DIY installation may void your coverage if you ever need to file a claim.
• Code compliance: A licensed professional typically understands local building codes, such as requirements for tempered glass or egress window sizes in certain rooms. You may want to check local codes or consult a licensed professional for specific requirements.
• When it's recommended: Hiring a pro is often the best choice for complex projects. This can include replacing multiple windows, installing upper-floor windows, dealing with custom sizes, or addressing structural repairs to the surrounding frame and wall.

How can you save money on double-hung window costs?

• Get multiple quotes. Contacting several window professionals can help you compare prices and services to find a competitive rate. Be sure to compare the scope of work and materials included in each quote, not just the final price.
• Bundle projects. Replacing several windows at once may reduce the overall cost per window. Professionals can often work more efficiently and may offer a discount on larger jobs.
• Choose standard materials and sizes. Opting for standard-sized windows in common materials like vinyl can be more affordable than custom sizes or premium materials like wood or fiberglass. While high-end options offer certain benefits, mid-range materials often balance performance and cost.
• Schedule during the off-season. Window installers are often busiest in the spring and fall. You might find more competitive pricing or wider availability if you schedule your replacement during slower periods like late fall or winter.
• Prepare the work area. Clearing furniture and obstacles from the work area can save the installer time and lower your labor costs. Be sure there is a clear path to the windows inside and outside your home.
• Clarify the scope in writing. A detailed written contract that outlines all aspects of the job, including materials, labor, and cleanup, can prevent unexpected costs. This helps ensure you and your pro agree on the full scope of work before the project begins.

FAQs

What is the typical cost to replace a double-hung window?

Do I need a permit to replace my windows?

How does window maintenance affect long-term costs?

Does my location or the time of year affect the replacement cost?

How should I choose between budget and premium window options?