Double Hung vs. Single Hung Windows: What’s the Difference?

Double Hung vs. Single Hung Windows: What’s the Difference?

Updated: 10.09.2025

By Nina Tsoy

When it comes to choosing the right windows for your home, the decision extends far beyond mere aesthetics. Among the most popular window types available today, double-hung windows and single-hung windows stand out as timeless classics that have graced homes for centuries.

In this blog post, we will explore the key differences between these two window styles to help you make an informed decision that aligns with your home’s needs, your lifestyle preferences, and your budget.

Double Hung vs. Single Hung Window

What Are Double-Hung Windows

Double-hung windows are incredibly versatile and designed to make your life easier. Here’s what makes them special: both the top and bottom parts (we call them sashes) can slide up and down on their own. This means you have complete control over how much fresh air comes into your home and where it comes from.

Think of it this way — you can open just the bottom part for regular airflow, crack open the top for gentle ventilation while keeping things secure, or open both for maximum breeze on those perfect spring days. The best part? Today’s double-hung windows are built with smooth-operating systems that make adjusting them as easy as sliding a drawer.

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What Are Single-Hung Windows

Single-hung windows are the straightforward, no-nonsense option in the window family. They keep things simple — only the bottom part moves up and down, while the top stays put. This design has been a go-to choice for homeowners who want that classic window look without all the bells and whistles.

Here’s how they work: when you want some air, you simply slide the bottom part up to create an opening. The top part? It’s fixed in place and just does its job of letting light in. It’s a tried-and-true design that gets the job done, and many homeowners appreciate this straightforward approach.

Double Hung vs. Single Hung Comparison

When choosing between double-hung and single-hung windows, understanding the specific differences in key areas helps ensure you make the best decision for your home.

Comparison PointDouble Hung WindowsSingle Hung Windows
Operation
  • Both top and bottom sashes slide up and down independently
  • Allows multiple opening configurations
  • Only the bottom sash slides up
  • Top sash remains fixed in place
Ventilation
  • Superior airflow with natural convection cooling
  • Hot air exits through upper opening, cool air enters through lower
  • Multiple ventilation options
  • Limited to bottom sash opening only
  • No upper ventilation option
  • Fixed sash prevents efficient warm air escape
Cleaning & Maintenance
  • Both sashes tilt inward for easy cleaning from inside
  • Complete access to interior and exterior glass surfaces
  • Ideal for upper floors and hard-to-reach areas
  • Bottom sash tilts in
  • Fixed top sash requires external access
  • May need professional cleaning for upper floors
Cost
  • Higher initial investment
  • More complex installation
  • Potential long-term energy savings through better ventilation
  • Lower upfront cost
  • Simpler installation
  • May have higher long-term cleaning costs
Appearance
  • Balanced proportions with two operable sashes
  • Classic symmetrical look
  • Timeless design complements various architectural styles
  • Nearly identical exterior appearance
  • Subtle sight line differences
  • Maintains traditional hung window aesthetic
Versatility
  • Multiple ventilation options
  • Enhanced safety features
  • Top sash operation for secure ventilation
  • Suitable for all floor levels
  • Limited functionality
  • Single configuration
  • Best for ground floor or budget-conscious applications
  • No top sash security option

While both window types offer the classic hung window appearance, double-hung windows provide significantly more functionality and long-term convenience. The enhanced ventilation capabilities of double-hung windows are particularly beneficial during warm weather, as heat rises naturally and can exit through the upper opening while cool air enters through the lower opening. Single-hung windows, with their fixed top sash, cannot achieve this natural air circulation pattern.

What Window Type to Choose?

Several factors should influence your decision between double-hung and single-hung windows. Consider the following:

  • Architectural style: Think about your home’s design. Traditional home styles historically featured double-hung windows for both functional and aesthetic reasons, complementing classic architecture beautifully.
  • Ventilation needs: Consider how much airflow you need. Larger rooms or spaces with limited cross-ventilation often benefit more from the enhanced airflow capabilities of double-hung windows, which allow you to open both the top and bottom sashes.
  • Budget considerations: Look at both the upfront price and long-term expenses. While single-hung windows typically cost less initially, remember to factor in potential long-term costs, such as professional cleaning services for the upper sash on higher floors, which might be necessary for single-hung windows.
  • Cleaning and maintenance: How easy do you want your window cleaning to be? Double-hung windows often feature sashes that tilt in for easy cleaning from inside your home, a significant advantage over single-hung windows, where the top sash is fixed.
  • Climate: Your local weather patterns play a role. The superior ventilation control of double-hung windows can contribute to improved comfort and energy efficiency, especially in regions with significant temperature variations, where precise airflow control is desirable.

Making the Right Choice for Your Home

Both window types can make your home more comfortable and beautiful when they’re well-made and properly installed. The real question is: which one fits your life better?

At Aurora Door & Windows, we’ve got you covered with quality options that’ll serve your Illinois home well for years to come. Contact us today to explore your window options and find the perfect solution for your Illinois home.

Nina Tsoy

Nina Tsoy

Nina Tsoy is a trusted window industry expert with 15+ years of experience. Read her latest blogs and get valuable insights for your next window project.

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