Double Hung Windows

Double Hung Windows

Classic Function. Elevated Performance.

Double hung windows feature two operable sashes that slide vertically, allowing ventilation from the top, bottom, or both. Known for their timeless design and versatility, double hung windows combine traditional aesthetics with modern energy efficiency, sound insulation, and impact resistance — making them a favorite in both residential and commercial applications.

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Where Double Hung Windows Are Used

Double hung windows are ideal for:
Often combined with operable windows or curtain wall systems, architectural windows offer unlimited design potential and allow architects to break away from conventional formats.

Single-Family Homes

a classic look for bedrooms, living rooms, and home offices

Historic Restorations

maintains architectural integrity with modern performance

Hotels & Multi-Family Buildings

offers functionality with a unified façade

Mixed-Use & Transitional Developments

balances design flexibility and performance

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Performance-Driven, Disaster-Ready

All Techno Window products — including our picture windows — are engineered to meet or exceed the highest performance and safety standards nationwide

Hurricane Impact-Rated

(ASTM Certified)

Advanced Weather Sealing

for air and water tightness

High STC Ratings

for acoustic insulation in high-noise environments

Salt Air-Resistant Frames

built for coastal durability

Energy-Efficient Glazing

optional low-E, laminated, or insulated glass

CSI-Ready Specifications

for seamless inclusion in architectural plans
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Our Glass Solutions

Picture Windows - Techno Window

Picture Windows

Picture windows are large, fixed panes of glass designed to frame expansive outdoor views while maximizing natural light.
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Casement Windows

Casement Windows

Casement windows are side-hinged and open outward like a door, operated by a smooth-turning crank or handle.
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Single Hung Windows

Single Hung Windows

Single hung windows feature a fixed top sash and a bottom sash that opens vertically.
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Sliding Windows

Sliding Windows

Sliding windows open horizontally along a track, offering a smooth gliding motion and space-saving functionality.
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Architectural Windows

Architectural Windows

Architectural windows are non-standard shaped windows — including circles, arches, triangles, trapezoids, and other custom geometries.
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Double Hung Windows

Double Hung Windows

Double hung windows feature two operable sashes that slide vertically, allowing ventilation from the top, bottom, or both.
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Bi-Fold Windows

Bi-fold Windows

Bi-fold windows consist of multiple glass panels connected by hinges that fold and stack neatly to one or both sides.
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Sliding Glass Doors

Sliding Glass Doors

A modern solution for maximizing natural light and indoor-outdoor flow. Multi-panel options allow for large openings with minimal sightlines
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Pivot Glass Doors

Pivot Glass Doors

A statement piece with dramatic movement, pivot doors rotate on an offset axis, providing a high-end look and smooth operation.
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Hinged Glass Doors (French Doors)

French Doors

Classic swing doors that offer elegance and accessibility. Single or double-paneled, with optional sidelights and transoms
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Hinged Glass Doors (French Doors)

Bi-Fold Doors

Multiple panels that fold and stack to one or both sides for a full wall opening.
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Frameless Glass Railings

Frameless Glass Railings

Clean, uninterrupted sightlines with minimal hardware — the ideal solution for a modern, floating effect.
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Post and Rail System

Post & Rail Glass Systems

Aluminum or stainless-steel vertical posts with secured glass panels. A flexible and cost-effective option!
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Glass Balustrades & Railing Systems

Staircase Glass Panels

Custom-cut panels fitted along stairwells for a modern, open look.
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Not sure where to start?

Get a free 30-minute consultation with one of our experts!

Schedule a consultation