Engineered To Perform
- 2 7/8-inch frame depth2 7/8" frame depth
- 3/4-inch insulated glass3/4" insulated glass
- Fin or finless frameFinless or fin frame
- Wood extension jamb optionsWood extension jambs available for 4 9/16" and 6 9/16" wall depths
A local specialist will follow up to answer questions and schedule your home assessment.
Tell us what you are considering. No pressure and no obligation.

Simple, efficient operation with classic curb appeal.
Compare the profile, operation and best-use cases before deciding whether this style belongs in your home.

Installed lookA fixed upper sash and a movable lower sash create a clean, classic profile with straightforward ventilation and easy everyday operation.
Bedrooms, living areas, rentals and homeowners who want a classic look with simple operation.
See why local families recommend The Window Source for clear communication, professional installation and windows they are proud to show.
Read Customer StoriesReview the frame, glass, operation, sizing and finish choices that matter before your in-home assessment.
Interior, exterior, laminate and painted finish availability varies by series and configuration.
Product specifications and availability can change by series, size and project conditions. Your specialist will confirm the exact configuration in writing.
A single hung window keeps the top sash fixed while the bottom one slides up and tilts in, so there is less to operate and adjust. It is a straightforward choice for bedrooms and secondary rooms where you want dependable venting and an easy wipe-down.
A forced-entry-resistant cam lock secures the lower sash with one simple turn.
The lower sash tilts inward so you can clean the outside glass while standing indoors.
Inside and out, pick White, Almond or Clay, or add an exterior laminate in Bronze or Black.
An optional Window Operating Control Device limits how far the sash opens, a useful safeguard in children's rooms.
Share the rooms and any drafts or sticky sashes you have noticed, and we will look at each one.
You always know what comes next and who is responsible.
A short conversation helps us understand comfort, style and budget.
We measure each opening and show clear product and financing options.
Certified installers protect your home, fit every unit and clean the work area.
Local service and transferable warranty protection provide long-term peace of mind.
Get clear answers about operation, efficiency, cleaning, security and available options before your home assessment.
(210) 796-9574Yes, single hung windows are still made and remain a widely used, budget-friendly style. The bottom sash slides up while the top sash stays fixed, which keeps the design simple and usually lowers the cost compared with double hung. Modern single hung windows are available with insulated vinyl frames and Low-E glass for hot climates.
The main disadvantages of single-hung windows are that only the bottom sash opens and the fixed top sash cannot tilt in for cleaning, which makes exterior glass on upper floors harder to reach. Ventilation is limited to the lower half of the opening. On ground floors those trade-offs matter less, which is why single hung works well there.
Try moving the top sash: if it slides down, the window is double hung, and if it stays fixed, it is single hung. You can also look for tilt latches on the top sash, which only double-hung windows have. Knowing your current style helps when you compare replacement options and decide whether to upgrade or match it.
Single hung windows usually cost less than double hung windows of the same size because only one sash moves and less hardware is needed. The exact difference depends on size, frame and glass package. Choosing single hung for ground-floor rooms and double hung where cleaning access matters is a common way to balance budget and convenience.
No, a single hung window should not be turned on its side to work as a slider. Its balances, weatherstripping and drainage are designed for vertical operation, so it will not seal or operate properly when installed horizontally. If you want sideways operation, choose a slider built for it. Our San Antonio team can recommend the right style for each opening.
We measure every opening, show the extrusion and paint colors in daylight at your home, and write up your options at no charge.
A rough count per room is plenty, and our local team will call back to arrange your assessment.