Single Hung & Double Hung Windows Manufacturer & Suppliers

Architectural-Grade Aluminum Fenestration Engineering: NFRC, Miami-Dade NOA & AS2047 Certified Impact Solutions for Global Commercial and Luxury Residential Developments.

High-Performance Impact & Thermal Single/Double Hung Windows

Engineered to meet stringent North American Florida Building Codes (FPA) and international structural standards.

Florida NOA Certified Aluminum Double-Hung Impact Windows
New Design American Modern Style Custom Color Aluminum Double-Hung Windows, FPA NOA Certified Impact Window for Florida Projects
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Hurricane Impact Proof Double Tempered Single / Double Hung Windows
NOA/FPA/NFRC Hurricane Impact Proof Double Tempered Single /double Hung windows for House With Nailing Flange
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Thermal Break Aluminum Single Hung Window
Miami Dade NOA Approved Thermal Break Aluminum Single Hung Window Double Insulated Glass Heat Insulation Windproof for Kitchen
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Technoform Strip Thermal Insulation Storefront Window
Florida Code Certified Aluminum Single Hung Window Technoform Strip Thermal Insulation Storefront Window for Retail Store
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Modern Double Pane Aluminum Single Hung Window
Superhouse Modern Design Vertical Sliding Window Durable White Double Pane Aluminum Single Hung Window
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Miami-Dade Certified Hurricane Impact Aluminum Single Hung Window
Miami-Dade NOA Certified Hurricane Impact Aluminum Single Hung Window Thermal Insulation Soundproof for Bedroom Kitchen
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Aluminum Alloy Louver Single Hung Windows
Superhouse Aluminum Alloy Louver Single Hung Windows Durable Maintenance Excellent Sound Proofing Weather Resistance
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Triple Tempered Glass Impact Resistant Black Single Hung Window
For Florida Modern Design Triple Tempered Glass American Style Hurricane Impact Resistant Black Aluminum Single Hung Window
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26,000m²
State-of-the-Art Production Facility
17+
Years Technical Heritage
$21M
Annual Export Revenue
45
Senior R&D Engineers

Founded in 2007, Luxfront Architectural Doors Ltd. is a modern high-end door enterprise utilizing a 26,000 m² production facility. Backed by 17 years of technical manufacturing heritage and 7 years of international trade operations, the firm achieves $21 million in annual export revenue. Luxfront caters predominantly to North America, Western Europe, and Australia, serving boutique housing developers, luxury home builders, and architectural design agencies.

Working alongside 720 specialized raw material supply partners, quality assurance remains central to operations. A dedicated team of 32 QA inspectors oversees full-process sampling, CMM dimensional measurements, and weather-seal performance evaluations. Driven by market-leading architectural innovation, Luxfront's 45 R&D engineers released 110 original door designs last season. Complete custom options are available, covering large-format pivot door structures, concealed hinges, integrated LED ambient lighting, and premium wood-veneer aluminum finishes.

Single-Hung vs. Double-Hung Window Structural Dynamics

A deep technical evaluation of mechanical balances, air infiltration rates, structural load resistance, and thermal isolation.

Single-Hung Architectural Mechanics

Single-hung windows feature a stationary upper sash combined with an operable lower sash that travels vertically. In high-rise commercial structures and coastal hurricane zones, the fixed top sash inherently provides superior air-tightness and structural rigidity. By limiting moving parts to the bottom section, air infiltration metrics (tested per ASTM E283) often drop below 0.12 CFM/ft², making them an economical yet structural powerhouse for large multi-family residential contracts.

Double-Hung Dual-Ventilation Engineering

Double-hung windows allow both top and bottom sashes to operate vertically and tilt inward for interior-side maintenance. Utilizing advanced constant-force block-and-tackle or spiral balances, double-hung configurations create natural convection currents: cool air enters through the lower opening while warm interior air vents out through the top sash. This structural design requires dual interlock weather-stripping to maintain structural design pressure (DP50–DP70) under severe exterior wind loads.

Thermal Break & Polyamide Technology

To eliminate high aluminum thermal conductivity, engineered single and double hung windows integrate Technoform PA66GF25 (25% fiberglass reinforced polyamide) thermal break strips. These structural insulation barriers effectively split interior and exterior aluminum profiles, reducing U-Factors down to 0.22 BTU/h·ft²·°F when paired with Argon-filled Low-E triple-pane glass assemblies.

Performance Vector Single-Hung Windows Double-Hung Windows Engineering Compliance Standard
Structural Design Pressure (DP) Up to DP75 / HVHZ Approved Up to DP60 / standard Impact ASTM E330 / TAS 201, 202, 203
Air Infiltration Rate < 0.08 CFM/sq.ft (Superior) < 0.15 CFM/sq.ft (Standard) ASTM E283 @ 1.57 psf
Water Penetration Resistance 12.0 psf (570 Pa) 10.5 psf (500 Pa) ASTM E331 / AAMA 501
Acoustic Isolation (STC / OITC) STC 38 - 45 (Triple Laminated) STC 35 - 42 (Double Glazed) ASTM E90 / ASTM E1425
Thermal Transmittances (U-Factor) 0.20 – 0.28 BTU/h·ft²·°F 0.22 – 0.30 BTU/h·ft²·°F NFRC 100 / 200 (ANSI/NFRC)

Localization & International Certification Compliance

Rigorous lab testing validation for extreme climate zones, windborne debris protection, and municipal building mandates.

Miami-Dade NOA & Florida Building Code (FPA)

For coastal markets in North America, particularly High-Velocity Hurricane Zones (HVHZ), windows must withstand missile impacts and severe cyclic pressure loading. Luxfront's engineered single and double hung windows undergo Florida FPA testing—incorporating PVB or SGP (Kuraray Sentricry) laminated safety glass. Our products carry verified Notice of Acceptance (NOA) approvals, ensuring direct compliance with Miami-Dade and Broward county standards.

NFRC Thermal Rating & Energy Star Efficiency

The National Fenestration Rating Council (NFRC) standard certifies real-world energy performance. By incorporating Warm-Edge stainless-steel spacers, low-emissivity coating stacks (Double Low-E / Triple Low-E), and inert Argon gas fills, Luxfront windows achieve Energy Star compliance across North American Northern, North-Central, and Southern thermal climate zones.

AS2047 & AS1288 Australian Standards Certification

For Oceanic construction projects, compliance with AS2047 (Windows and External Glazed Doors in Buildings) and AS1288 (Glass in Buildings) is mandatory. Luxfront products undergo rigorous testing for structural deflection, water resistance (up to 450Pa), ultimate strength testing, and acoustic performance to ensure immediate seamless site sign-offs across Sydney, Melbourne, and Brisbane.

China OEM/ODM Manufacturing Infrastructure

Inside our 26,000m² intelligent fabrication facility backed by 720 raw material partners and 32 dedicated QA inspectors.

Raw Materials Inspection Raw Materials
Precision Aluminum Cutting Cutting
CNC Punching Process Punching
Hollow Profile Processing Hollow Processing
Structural Sealant Gluing Gluing
Window Frame Assembly Assembly
Mechanical Debugging Debugging
Export Protective Packing Packing
Laser Cutting Machine Laser Cutting Machine
Automated Punching Machine Punching Machine
Automated Assembly Line Assembly Line
Double Head Sawing Machine Double Head Sawing Machine
Corner Pressing Machine Pressing Machine
Insulated Glass Hollow Line Hollow Line
Glass Cleaning Machine Glass Cleaning Machine
Aluminum Profile Bending Machine Bending Machine
Automatic End Milling Machine Automatic End Milling Machine
Final Product Debugging Stage Debugging
Structural Debugging Frame Debugging Frame

Application Scenarios & Sourcing Frameworks

Optimized deployment strategies for general contractors, architectural specs, and commercial developers.

Coastal High-Velocity Hurricane Zones (HVHZ)

Specifically formatted for beachfront luxury developments, single-hung configurations engineered with heavy-gauge 6063-T6 aluminum extrusion alloys and PVB/SGP interlayers withstand sustained wind loads exceeding 170 mph. Built-in nailing flanges simplify installation in wood-frame or concrete masonry unit (CMU) construction prevalent in North American coastal zones.

Urban Multi-Family & Retail Storefronts

For commercial street-level retail and modern residential towers, aesthetic customization is paramount. Luxfront delivers thermal-break store-front single-hung sash windows featuring ultra-narrow sightlines, architectural fluorocarbon powder coating (AkzoNobel / PPG), concealed balance systems, and acoustic ratings up to STC 45 for maximum city noise cancellation.

Direct OEM/ODM Procurement Logistics

Global developers reduce project costs by 30–45% via Luxfront's direct factory supply model. Products are shipped in custom steel-framed crates with moisture-barrier packaging. Every unit is pre-labeled with project floor codes and CAD grid references to allow streamlined site distribution upon arrival at destination ports.

Future Trends in Fenestration Engineering: Sustainable & Smart Openings

As international energy regulations push toward Zero Energy Buildings (ZEB) and carbon-neutral construction, the architectural window industry is undergoing rapid technical evolution. Modern single and double hung windows are no longer passive exterior envelope components; they are engineered thermal engines.

1. Smart Electrochromic & Low-Carbon Aluminum Integration

Leading architects are increasingly specifying electrochromic tinting glass integrated into double-hung sash designs. By applying micro-electrical currents through conductive oxide layers, glass dynamically adjusts Solar Heat Gain Coefficients (SHGC) from 0.40 down to 0.05 in real-time, reducing HVAC cooling loads by up to 35%. Furthermore, Luxfront utilizes low-carbon recycled aluminum billets, reducing embedded manufacturing carbon footprints down to 4.0 kg CO₂/kg Al.

2. Ultra-Acoustic Multi-Layer Lamination

With accelerating urban density, acoustic isolation has become a primary living quality metric. Modern double-pane and triple-pane single hung windows incorporate dynamic acoustic interlayers (such as Vanceva Quiet PVB) combined with asymmetric glass pane thicknesses (e.g., 6mm outer pane + 12mm Argon spacer + 8.76mm laminated inner pane). This prevents harmonic resonance pass-through, achieving Sound Transmission Class (STC) ratings exceeding 42 dB.

3. Concealed Balance Systems & Minimalist Sightlines

Architectural demand is moving rapidly away from exposed spiral balances toward heavy-duty, concealed block-and-tackle spring balances integrated directly into the aluminum frame channel. This design innovation creates flush interior jamb profiles while supporting sash weights up to 120 kg (264 lbs), enabling ultra-large format double-hung windows previously unachievable in traditional residential fenestration.

Custom Commercial & Residential Fenestration Systems

Explore our full line of Australian AS2047, European, and American NFRC certified windows.

Double Glazed Aluminum Single Hung Window Wholesale
Superhouse Latest Design Double Glazed Windows Factory Wholesale Aluminum Frame Fiber Glass Single Hung Window
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Modern Hurricane Impact Resistant White Single Hung Window
Superhouse Modern Design Hurricane Impact Resistant Aluminum White Customized Double Glazed Tempered Glass Single Hung Window
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Custom Black Aluminum Single Hung Sliding Window for Hotel
Superhouse Customizable Hotel Single Hung Sash Window in Black Vertical up Down Sliding Windows Aluminum Single-Hung Window
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Hurricane Impact Double Glazed Window for Hotel Villa
Superhouse Hurricane Impact Resistant Double Glazed Tempered Glass for Hotel & Villa Aluminum Single Hung Window
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Modern NFRC Standard Aluminum Single Hung Window
Superhouse Vertical Slide up Window Modern Style Design Sash Windows NFRC American Standard Aluminum Single Hung Window
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AS2047 Australian Standard Waterproof Double Tempered Window
Superhouse AS2047 Australian Standard Waterproof Aluminium Double Tempered Glass Sash Window Single Hung Window
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Waterproof Hurricane Impact Aluminum Double Glass Single Hung Window
Superhouse Waterproof Hurricane Impact Resistant Aluminium Double Glass Sash Window Vertical Sliding Single Hung Window
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American Hurricane Impact Resistant Double Tempered Single Hung Window
Superhouse American Hurricane Impact Resistant Aluminium Double Tempered Glass Sash Window Single Hung Window
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Frequently Asked Questions by B2B Buyers & Architects

Technical clarifications on engineering standards, structural ratings, and direct factory procurement.

What is the structural difference between Single Hung and Double Hung windows?

A single-hung window has one operational lower sash that moves vertically while the top sash remains permanently fixed to the frame. A double-hung window features two operational sashes (top and bottom) that both move vertically and tilt inward. Single-hung windows offer slightly superior air-tightness and water resistance for severe impact zones, whereas double-hung windows provide superior dual-ventilation and easier exterior glass cleaning from inside the room.

How do Miami-Dade NOA certified hurricane impact windows work?

Miami-Dade NOA (Notice of Acceptance) certification guarantees that the window system has passed rigorous testing under TAS 201 (Large Missile Impact), TAS 202 (Uniform Static Air Pressure), and TAS 203 (Cyclic Wind Pressure Loading). The windows utilize heavy-duty extruded aluminum frames paired with high-tensile laminated glass (PVB or SGP interlayers). During an extreme hurricane storm, even if the glass shatters upon impact, the interlayer remains structurally intact within the frame to prevent building envelope pressurization.

What thermal isolation technologies are built into your aluminum frames?

Luxfront incorporates Technoform PA66GF25 polyamide thermal break strips that physically isolate interior aluminum extrusions from cold or hot exterior aluminum profiles. Combined with double or triple insulated glass units (IGUs) containing Low-E coatings and Argon gas, our windows achieve low U-Factors (≤0.22 BTU/h·ft²·°F) and meet Energy Star requirements across North America and Europe.

Can Luxfront manufacture custom architectural sizes and finishes?

Yes. Supported by 45 R&D engineers and advanced CNC machinery, Luxfront offers complete customization. We manufacture custom frame depth profiles (e.g., 3-1/4", 4-1/2"), custom architectural finishes including AkzoNobel AAMA 2605 powder coatings, anodizing, fluorocarbon PVDF coatings, and real wood-veneer aluminum finishes. Nailing flanges, sub-frames, and integrated insect screens are fully customized per architectural elevation shop drawings.

Are your products certified for Australian construction standards (AS2047)?

Yes. Our window systems undergo testing according to AS2047 (Windows and External Glazed Doors in Buildings) and AS1288 (Glass in Buildings). Testing covers air infiltration, structural deflection under wind loads, water penetration resistance (tested up to 450 Pascals), and mechanical operation durability, ensuring full compliance for Australian residential and commercial projects.

How does Luxfront ensure quality control during factory manufacturing?

Luxfront maintains a rigorous quality assurance protocol overseen by 32 full-time QA inspectors across our 26,000 m² facility. Quality checks occur at every stage: raw aluminum billet spectro-analysis, CMM dimensional measurement of CNC cut profiles, corner crimping tensile strength tests, glass IGU seal integrity evaluation, and full pre-shipment frame assembly and debugging.

What lead times and shipping container packaging methods are used for export?

Standard OEM/ODM production lead time is 25 to 35 days upon CAD shop drawing approval. For international export, products are packed using protective surface film, corner edge protectors, foam wrapping, and fully enclosed steel-reinforced wooden crates. Every crate is labeled with project elevation tags for organized site unloading.

What warranty terms apply to Luxfront commercial single and double hung windows?

Luxfront offers a comprehensive 10-year factory warranty covering aluminum extrusion structural integrity, powder coat finishes against peeling or chalking (AAMA 2604/2605 compliant), double-glazed seal failures (fogging), and hardware mechanical balances under standard commercial operational conditions.

All Single hung double hung Windows Products