Double-Hung vs. Sliding Windows: Finding the Perfect Fit for Your Home

Updated: August 12, 2026Written by: Sara Kendall

Looking for a window type with lots of ventilation and flexibility on how much air flow you’re letting through? Then you should explore the pros and cons of double-hung vs sliding windows. Each type offers good air flow, but your choice will likely come down to window cost and the amount of wall space you have available for your new window. Here’s everything you should consider.

Must-Knows for Double-Hung Windows

Double-hung windows consist of two sashes that move up and down within the frame. This traditional window style is the most popular window type across the United States.

Since both the upper and lower sashes of a double-hung window can be moved, you get a lot of control over how much air you want flowing into your home. Many types of double-hung windows also tilt in for easy cleaning.

However, all those moving parts add up to a less energy-efficient window. Since they move in so many different ways, there are then many spots for conditioned air to leak out or for the outside temperatures to find their way in.

Must-Knows for Sliding Windows

Sliding windows also allow for good ventilation, but typically don’t allow for the same level of control over just how much airflow you want.

Since they have fewer moving parts, sliding windows tend to be more energy efficient than double-hung, and they also don’t have as many parts that can break down and require repair.

Some modern sliding windows will have two moving sashes, just like a double-hung window. However, single sash sliding horizontal windows are more common as well as less-expensive. With just one sash that slides open, you don’t have the kind of precise control over your airflow as you do with a double-hung window.

Double-Hung vs Sliding Windows: How to Choose

Your choice between a double-hung vs sliding window should come down to how energy efficient you need your window to be and how much wall space you have available. Here’s a look at their pros and cons side-by-side to help you make a final decision.

Double-Hung

Average Cost:

$429 – $915

• Better for walls with more vertical space

• Best for precise airflow

• Less expensive than sliding windows

• Less energy-efficient

• More maintenance required

Sliding

Average Cost:

$775 – $1,672

• Better for walls with more horizontal space

• More energy-efficient than double-hung

• Require less upkeep

• Tend to be more expensive

• Offer less control over airflow

As a general rule, you should choose:

• Double-hung if you have taller walls and are on a tighter budget.
• Sliding if you have wider walls or shorter walls.

If you are curious what these windows would cost to install in your own home, the best way to find out is to get quotes. You can browse our window contractor directory, or you can ask Modernize to do the research for you by clicking the button below.