What Are Double-Hung Windows?

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Choosing the right windows for your home is crucial for its functionality and aesthetic appeal. One popular choice among homeowners is double-hung windows, boasting their own line of unique features and benefits.

As a leading window replacement contractor in Atlanta, AAA Screen and Window is a leading window replacement contractor in Atlanta, Georgia. We offer a wide range of high-quality double-hung windows to meet your needs. 

What Are Double-Hung Windows?

Double-hung windows are a type of window with two operable sashes that slide vertically within the frame. This design allows both the upper and lower sashes to open, providing excellent ventilation and ease of use. On some designs, sashes can be tilted inward, making cleaning the exterior surfaces from inside the home simple and convenient.

Double-hung windows have two main structural components: the sashes and the frame. The frame is often made from wood, aluminum, or vinyl. Vinyl is durable and low maintenance and is often recommended. Vinyl windows are resistant to cracking, chipping, warping, and peeling, making them an excellent choice for weather resistance and longevity.

Click here to learn more about all the different styles of replacement windows.

How Are Double-Hung Windows Different From Single-Hung Windows?

When choosing the right windows for your home, understanding the differences between double-hung and single-hung windows is crucial. Both styles offer unique benefits but serve different purposes based on your needs and preferences.

Double-hung windows are designed with two operable sashes, meaning both the upper and lower parts of the window can be opened. This provides greater flexibility for ventilation, as you can open either sash independently or simultaneously. This feature is particularly beneficial for homes with varying weather conditions, as it allows for better control of airflow and indoor temperature.

In contrast, single-hung windows have a fixed upper sash and an operable lower sash. This design limits the ventilation options to just the bottom part of the window. Single-hung windows are often more affordable due to their simpler design and fewer moving parts, but they lack some of the convenience and functionality associated with double-hung windows.

Key Differences:

  • Ventilation: Double-hung windows offer superior ventilation options as both sashes can be opened, whereas single-hung windows only allow for ventilation through the bottom sash.
  • Ease of Cleaning: Double-hung windows typically have tilt-in sashes for easy cleaning of both sides from inside the home, while single-hung windows require exterior access to clean the top sash.
  • Cost: Single-hung windows are generally less expensive due to their simpler design and fewer moving parts.

Pros and Cons:

  • Double-Hung Windows:
    • Pros: Versatile ventilation, easy to clean, aesthetically versatile.
    • Cons: Higher cost compared to single-hung windows.
  • Single-Hung Windows:
    • Pros: Lower cost, fewer moving parts.
    • Cons: Limited ventilation, harder to clean.

What Are the Benefits of Double-Hung Windows?

Double-hung windows offer numerous benefits that make them a popular choice among homeowners. Here are some of the key advantages:

Dual Ventilation Options

Double-hung windows allow homeowners to open both the upper and lower sashes. This feature enables versatile ventilation options, such as lowering the top sash to release warm air while raising the bottom sash to let in cool air. This dual functionality helps improve indoor air quality and maintain a comfortable home environment.

Easy to Clean and Maintain

The design of double-hung windows often includes sashes that tilt inward. This feature makes it easy to clean the interior and exterior glass surfaces inside the home. This is a significant advantage for homeowners, especially those with multi-story houses, as it eliminates the need for ladders or professional cleaning services.

Energy Efficiency

Many double-hung windows feature advanced energy-efficient technologies, such as double glazing, low-E coatings, and insulated frames. These features help minimize heat transfer, reduce energy consumption, and maintain a consistent indoor temperature, ultimately lowering heating and cooling costs.

Aesthetic Appeal

Double-hung windows have a timeless design that complements various architectural styles. They are available in multiple materials, finishes, and configurations, allowing homeowners to choose options that enhance the overall appearance of their homes.

Improved Security

Double-hung windows provide a safer option for homes with children or pets by lowering the top sash for ventilation while keeping the bottom sash closed. This can reduce the risk of accidental falls or escapes through open windows.

Space-Saving Design

Double-hung windows open vertically without protruding into exterior spaces. This design is ideal for areas with limited space, such as walkways, patios, or decks, allowing for functional window placement without compromising outdoor usability.

Increased Property Value

Combining aesthetic appeal, energy efficiency, and functional versatility makes double-hung windows valuable to any home. Replacing old windows with modern double-hung options can enhance property value and attract potential buyers.

When to Consider Replacement Double-Hung Windows

There are several signs that it might be time to replace your windows with modern double-hung windows:

  • Drafts and Air Leaks: If you feel drafts around your windows or notice air leaks, it may be time for a replacement to improve energy efficiency.
  • Difficulty Operating: Windows that are hard to open or close can indicate that the sashes or frames are warped or damaged.
  • Condensation Between Panes: This indicates a broken seal, reducing the insulating properties of your windows. Click here to learn how to prevent condensation build-up within your windows.
  • Visible Damage or Deterioration: Cracks, warping, or other visible damages can compromise the functionality and appearance of your windows.
  • Increased Energy Bills: High energy bills may be a sign that your windows are not effectively insulating your home.

Window Replacement with AAA Screen & Window

AAA Screen & Window has been serving the Atlanta area since 1959, offering expert window replacement services. Our experienced team can help you choose the perfect double-hung windows for your home, ensuring a professional installation that maximizes the benefits discussed.

Double-hung windows offer numerous advantages, including versatile ventilation, ease of maintenance, and enhanced energy efficiency. They are a valuable investment for homeowners looking to improve their home’s comfort, appearance, and value. Consider double-hung windows for your next home improvement project, and contact AAA Screen & Window for a consultation or more information.

FAQ About Double-Hung Windows

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Double-hung windows have two operable sashes, allowing both the upper and lower parts to open. Single-hung windows only have an operable lower sash, with the upper sash fixed in place.

Double-hung windows offer versatile ventilation options, ease of cleaning, and a classic aesthetic. They allow homeowners to improve airflow by opening both sashes, enhancing indoor air quality.

Yes, double-hung windows are worth considering for their flexibility, ease of maintenance, and energy efficiency. They can increase property value and improve home comfort.


Most modern double-hung windows have tilt-in sashes for easy cleaning of both the interior and exterior glass from inside the home. However, it’s essential to confirm this feature when purchasing.

The main drawback of double-hung windows can be their cost, as they tend to be more expensive than single-hung windows due to their additional features and moving parts.

To identify a double-hung window, check if both the upper and lower sashes can move vertically within the frame. If both sashes are operable, it is a double-hung window.