Modern Thermal Break Casement Windows

Modern thermal break casement windows with Low-E double or triple pane glass and argon options—engineered for quieter interiors, stronger air/water tightness, and dependable performance in premium window styles for house, including double hung black windows.

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Home Products Aluminium Windows Casement Window Y103 Aluminum Casement Window Double Triple Glazed Soundproof Energy Star NFRC

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Y103 Aluminum Casement Window Double Triple Glazed Soundproof Energy Star NFRC

Y103 Aluminum Casement Window Double and Triple Pane Soundproof Energy Star NFRC

DERCHI Y103 is an open-out aluminum casement window built for coastal wind loads, using thermal-break profiles and Low-E double or triple glazing to support energy, comfort, and sound control.

Open-out hurricane-resistant casement for ventilation and weather protection

CE /NFRC Standard Certification

US/ AU IGCC Standard Glass Certification

6063-T5 thermal break aluminum reduces heat transfer

Low-E insulated glass: double or triple pane, argon option

Six-point lock option for added security

Exterior double sealing supports air and water tightness

Powder-coated or PVDF finish options

Magnetic insect screen with nylon netting option

10-year quality warranty under proper use

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Y103 Aluminum Casement Window for Double & Triple Pane Glazing

The DERCHI Y103 is an outward-opening aluminum alloy casement window, featuring 6063-T5 thermal break aluminum profiles with a 2.0 mm aluminum thickness and a 103 mm frame depth, meeting wind pressure resistance and energy-saving requirements. It is suitable for residential window renovations and modern casement window designs.

This window can be equipped with double or triple-pane tempered glass, with optional Low-E coating and argon gas filling. You can choose laminated glass, tinted glass, or reflective glass, select powder coating or PVDF coating (including a black option for easy comparison with black double-hung windows), add magnetic nylon screens, and choose security hardware such as a six-point locking system. We provide online technical support, and the delivery time is typically 25-35 days after drawing confirmation and deposit payment. A 10-year warranty is also provided.

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Y103 Performance Advantages

Y103 supports energy, acoustic, and compliance targets in one casement platform. It fits common window styles for house projects, including elevations that mix modern casement windows with double hung casement windows or double hung black windows.

Energy-ready specification

Thermal break profiles paired with Low-E insulated glazing support project energy targets. Double or triple pane windows can be specified to align with Energy Star and NFRC documentation needs.

Sound control for busy sites

Double and triple pane insulated glass reduces noise transfer through the opening. This helps bedrooms, street-facing rooms, and multi-family corridors maintain a quieter indoor environment.

Wind-load reliability

A deeper system frame and higher-strength aluminum structure improve stability under wind pressure. This supports coastal, high-rise, and exposed façade conditions where deflection control matters.

Water and air management

Three sealing layers plus pressure-equalized drainage reduce water intrusion risk and limit air leakage paths. The approach supports consistent performance across variable weather and installation conditions.

Security-focused locking

A four-side, six-point locking option improves lock engagement and closing consistency. It increases resistance to prying attempts and reduces dependence on a single latch point.

Project compliance support

Certification coverage such as NFRC, CE, AS2047, CSA, and ISO9001 streamlines submittals and approvals. It also reduces friction during inspection, handover, and stakeholder sign-off.

Y103 Modern Casement Window Feature Set

Designed for modern casement windows and flexible window styles for house, Y103 supports double or triple pane windows, including black-frame options often searched as double hung black windows and double hung casement windows.

6063-T5 thermal break aluminum profile

Thermal barrier separates inner and outer metal, reducing heat transfer and condensation risk. Supports stable operation across temperature swings.

2.0mm aluminum wall thickness

Thicker aluminum sections improve frame rigidity, fastener holding, and long-term alignment for hardware and sash closure.

103mm frame depth system

Deeper frame depth supports insulated glass builds, improves structural support, and increases space for sealing and drainage design.

Outward-opening casement operation

Opens outward for ventilation control and easier interior clearance. Works well where interior space is limited by blinds, furniture, or trim.

Low-E double/triple glazing

Insulated glass plus Low-E coating reduces heat gain/loss and improves comfort. Triple pane windows add more noise reduction potential than standard double pane setups.

Argon & glass upgrade options

Argon fill helps limit fogging and supports thermal performance. Laminated glass increases safety and sound control; tinted or reflective glass supports glare and privacy targets.

Configure Your Triple Pane Casement Window

Build your project with triple pane windows or double pane Low-E setups, paired with a 103mm system frame and outward-opening operation. Send project drawings or rough openings to confirm configuration and lead time.

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Y103 Performance Specifications

These metrics summarize how the Y103 performs on safety, water resistance, air leakage control, sound reduction, thermal efficiency (U-factor), and structural strength under wind load—useful when comparing triple pane windows, modern casement windows, and other window styles for house (including searches like double hung casement windows and double hung black windows).

U-Factor 0.27 BTU/(h·ft⊃2;·°F) (Level 9)

U-factor measures heat transfer through the window assembly. Lower U-factor supports better heat retention in winter and reduced heat gain in summer.

Wind Pressure Resistance: 5 kPa (Level 9)

Structural rating indicates resistance to deformation under wind load. Higher ratings support stability, sealing consistency, and durability in high-wind regions.

Six Lock Points: Safety

Multi-point locking uses six engagement points to resist prying, reduce sash warp under load, and keep sealing pressure more even around the frame.

Water Resistance: 550 Pa (Level 5)

Rated to resist water penetration under a 550 Pa pressure difference. Higher pressure ratings help reduce leak risk during wind-driven rain.

Air Tightness: 1.2 m³/(m·h) (Level 8)

Measures air leakage per meter of joint length per hour. Lower leakage supports comfort, limits drafts, and helps HVAC efficiency.

Sound Insulation: 35 dB (Level 4)

Sound reduction rating indicates how much outside noise is reduced. Pairing with insulated double or triple glazing can further support noise control.

Y103 Technical Specifications

This table summarizes the core parameters of the DERCHI Y103 open-out casement window, including profile structure, glass configurations (double or triple pane), hardware, sealing, finishes, lead time, and warranty for residential projects.

Parameter	Details
Series / Model	Y103 Series Aluminum Casement Window
Brand	DERCHI
Opening Type	Casement (Open-Out)
Opening Pattern	Horizontal
Profile Material	Aluminum Alloy (6063-T5 extrusion)
Profile Type	Thermal break aluminum profile
Aluminum Thickness	2.0 mm
Frame Depth	103 mm
Glass Options	Low-E, reflective, laminated, tinted; double/triple tempered with argon gas
Typical IGU Spec	5 mm + 27A + 5 mm
Glass Type (key attributes)	Low-E; double pane tempered clear; triple insulated; double tempered
Hardware	Germany WEHAG handle
Lock	Six-point lock
Sealing System	Exterior double sealing system
Screen	Magnetic screen option; nylon netting
Energy Star Qualified	Yes
Design Style	Modern
Application	House / Residential projects
After-sales Service	Online technical support
Warranty	10 years quality warranty
Origin	Guangdong, China
Surface Treatment	Powder Coated / PVDF
Lead Time	25–35 days after deposit & drawings confirmed

Recommended Applications for Y103 Casement Windows

Y103 fits projects that need controlled ventilation, stronger sealing, and flexible glazing. It supports triple pane windows where noise and energy targets matter. It also works for modern casement windows in new builds and renovations.

Apartment

Use it for bedrooms, living rooms, and street-facing elevations.

Triple pane windows help reduce traffic noise and drafts.

The casement seal supports stable indoor comfort on higher floors.

Home Office

Use it where call clarity and focus are priorities.

Triple pane windows support quieter work zones and steadier temperatures.

A casement opening gives direct airflow during long work hours.

Hotel

Use it for guest rooms that need consistent comfort and low noise.

Specify double or triple glazing to match room class and climate.

Black finishes can align with “double hung black windows” design requests.

Office Building

Use it for private offices, meeting rooms, and perimeter zones.

The sealing structure supports HVAC efficiency and occupant comfort.

For buyers searching “double hung casement windows,” position this as a tighter-seal option.

Outdoor

Use it for balconies, terraces, and semi-exposed façades.

The open-out design supports ventilation without sacrificing closure pressure.

Pair with laminated or tinted upgrades when impact or glare control is required.

Residential building

Use it across common window styles for house layouts.

It suits kitchens, bathrooms, and living areas that need daily ventilation.

A black frame option supports modern exterior palettes and mixed window packages.

This project is for a Georgian villa in the United States. Our main products include sliding doors, fixed windows, folding doors, and French doors.Why do Americans love using doors as windows?

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Y103 Casement Window Style Customization Options

Custom Opening Ways for Y103 Casement Windows

Y103 Aluminum Casement Window for Double & Triple Pane Glazing

Y103 Performance Advantages

Energy-ready specification

Sound control for busy sites

Wind-load reliability

Water and air management

Security-focused locking

Project compliance support

Y103 Modern Casement Window Feature Set

6063-T5 thermal break aluminum profile

2.0mm aluminum wall thickness

103mm frame depth system

Outward-opening casement operation

Low-E double/triple glazing

Argon & glass upgrade options

Configure Your Triple Pane Casement Window

Y103 Performance Specifications

U-Factor 0.27 BTU/(h·ft⊃2;·°F) (Level 9)

Wind Pressure Resistance: 5 kPa (Level 9)

Six Lock Points: Safety

Water Resistance: 550 Pa (Level 5)

Air Tightness: 1.2 m³/(m·h) (Level 8)

Sound Insulation: 35 dB (Level 4)

Y103 Technical Specifications

Recommended Applications for Y103 Casement Windows

Apartment

Home Office

Hotel

Office Building

Outdoor

Residential building

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