Upgrading your home’s windows is a significant investment, but it’s one that pays off in energy savings and curb appeal. As of early 2026, the national average to replace a single window is approximately $1,050, though costs can range from $300 to $2,500 depending on your choices.
Here is a breakdown of what you can expect to pay this year and the factors that will influence your final bill.
1. Cost by Frame Material
The material of the frame is the biggest driver of the price.
Vinyl ($450 – $950): The most popular and budget-friendly choice. It’s low-maintenance and offers great energy efficiency.+1
Aluminum ($650 – $1,100): Known for its strength and slim profiles, making it ideal for modern designs, though it’s less insulating than other materials.
Wood ($800 – $1,500+): Offers a classic, high-end look and excellent natural insulation, but requires regular maintenance to prevent rot.
Fiberglass ($900 – $1,600): Extremely durable and resistant to temperature swings. It mimics the look of wood without the upkeep.
Composite ($1,000 – $1,800): A premium blend of wood fibers and plastic that provides the beauty of wood with the durability of vinyl.
2. Window Style Variations
The “operation” of the window—how it opens and its shape—significantly impacts the labor and unit cost.
Single-Hung ($200 – $850): Only the bottom sash moves; a standard, cost-effective choice.
Double-Hung ($450 – $950): Both sashes move, allowing for better airflow and easier cleaning from inside the house.
Casement ($600 – $1,300): Hinged on the side and cranks outward, offering superior ventilation.
Sliding ($750 – $1,650): Moves horizontally and is often used for wider openings.
Bay or Bow ($3,000 – $10,000+): These are large, multi-panel installations that often require structural changes to your wall.
3. The “Hidden” Factors
Beyond the window itself, several variables can shift your estimate:
Glass Upgrades: Upgrading to triple-pane glass or adding Low-E (low-emissivity) coatings can add $100–$400 per window but can save you up to 30% on energy bills.
Labor & Installation: Professional labor usually accounts for 15% to 25% of the total project. A “full-frame” replacement (replacing the entire frame and trim) is more expensive than a “pocket” installation (sliding a new window into an existing frame).
2026 Energy Tax Credits: This year, many homeowners are eligible for a 30% federal tax credit (often capped at $600 annually) for installing Energy Star “Most Efficient” certified windows.
Pro-Tip: Bundle to Save
Most contractors offer a lower “per-window” price if you replace 10 or more windows at once. For a medium-sized home (20 windows), a full replacement project typically ranges from $15,000 to $30,000.