Overview of Double-Hung Windows
A double hung window has two operable sashes. The two main benefits are: maximum circulation – ability to open both sashes, and tilting – upper and lower sashes tilt inward allowing interior and exterior glass cleaned from inside home.
Advantages of Double-Hung Windows
Today’s double-hung windows, both sashes tilt inward, making it possible to clean both window sides from inside house. The double-hung window is a classic form that can beautifully suit nearly any home. Understanding the advantages of double-hung windows can help decide whether right for your home.
Key Features of Double-Hung Windows
"Double-hung" means open from top or bottom – versus "single-hung," opening only from bottom. Double-hung windows have two sashes, one upper and lower. They are rectangular with two operable parts.
Ventilation and Airflow
If open both sashes of a double-hung window halfway, allows exponentially more airflow than single-hung. Opening above top sash, stale air escapes while below lower sash, cooler fresh air enters.
Identification and Cleaning
Easiest way to identify single-hung window is look below top sash on exterior. Double-hung windows have small space between sash and jamb for sliding up and down. Sometimes space caulked or painted over, difficult to see.
Cleaning and Maintenance
Modern double hung windows tilt inwards for easy cleaning. Difference between double-hung and single-hung visible when double-hung open – both sashes operable. Single-hung, top stays closed, only bottom sash opens. Double-hung more moving parts, both top and bottom sash open, positioned several ways.
Ventilation and Cost
Double-hung windows provide more ventilation than single-hung. Easier to clean, tilted inward or outward completely from inside house. Single-hung only move vertically. Double-hung enable more airflow for cooling and ventilating rooms from smoke, smells or unsafe fumes. Also easier to repair than single-hung.
Cost Comparison
Average cost to replace double hung window $450-$1000. Most common replacement. Standard size $450-$585 per window.
Double glazed windows priced per square meter. Average in Australia $1350 per square meter.
Double-Hung vs. Single-Hung Windows
What is the difference between a double-hung and single-hung window?
A double hung window has two operable sashes. Ability to open both sashes allows maximum air circulation. Both sashes tilt inward, enabling interior and exterior glass cleaned from inside home.
Double-hung windows have two operable parts – upper and lower sashes. Open both sashes halfway allows more airflow than single-hung. As top sash opens, stale air escapes. As bottom sash opens cooler fresh air enters.
To identify single-hung window, look below top sash on exterior. No space between sash and jamb indicates single-hung. That space on double-hung used for sliding sashes up and down. Sometimes caulked or painted over, difficult to see.
Double-hung windows easier to clean, tilted completely inward from inside house. Also easier to repair than single-hung. Provide more ventilation than single-hung, enable airflow for cooling, ventilating rooms.
Screens in Double-Hung Windows
Do double-hung windows have 2 screens?
A double hung window has two operable sashes, allowing maximum air circulation. Both sashes tilt inward, enabling interior and exterior glass cleaned from inside home.
Double-hung windows have two operable parts – upper and lower sashes. Open both sashes halfway allows more airflow than single-hung. As top sash opens, stale air escapes. As bottom sash opens cooler fresh air enters.
To identify single-hung window, look below top sash on exterior. No space between sash and jamb indicates single-hung. That space on double-hung used for sliding sashes up and down. Sometimes caulked or painted over, difficult to see.
Double-hung windows easier to clean, tilted completely inward from inside house. Also easier to repair than single-hung. Provide more ventilation than single-hung, enable airflow for cooling, ventilating rooms.
Average cost to replace double hung window $450-$1000. Most common replacement. Standard size $450-$585 per window.
Double glazed windows priced per square meter. Average in Australia $1350 per square meter.