Premium Aluminum Casement Windows by EPAI
High-performance aluminum casement windows engineered for superior thermal insulation, acoustic performance, and weather resistance. Custom manufactured for residential and commercial projects worldwide.
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What Are EPAI Aluminum Casement Windows?
EPAI aluminum casement windows are side-hinged window systems that open outward or inward on a vertical axis. Manufactured from high-grade aluminum alloy profiles with thermal break technology, they deliver exceptional insulation, weather sealing, and structural performance for any climate.
Available in single, double, and multi-panel configurations with transom and fixed light combinations. Our casement windows feature multi-point locking systems, heavy-duty stainless steel hinges, and double or triple glazing options for maximum energy efficiency and security.
With over 15 years of manufacturing expertise, EPAI delivers casement window systems trusted by architects, developers, and homeowners across 100+ countries for both residential and large-scale commercial projects.
Request A ConsultationOur Casement Window Series
Explore our full range of aluminum casement windows — from classic double-panel designs to arched top windows and tilt-and-turn systems. All custom manufactured to your exact specifications.
Triple Panel Casement with Transom
Three-panel casement window with fixed transom top lights. Dual outward-opening side panels with multi-point locking and heavy-duty stainless steel hinges for wide openings.
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Double Panel Casement Window
Classic double-panel outward-opening casement window with slim aluminum profiles. Clean modern aesthetic with multi-point locking and double glazing for excellent thermal performance.
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Arched Top Casement Window
Elegant arched top casement window with decorative grid pattern in the arch. Four-panel opening configuration with fixed arch transom for classical and heritage architectural styles.
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Double Panel with Top Transom
Wide double-panel casement window with fixed top transom light. Full-width opening with robust multi-point locking system and thermal break profiles for energy efficiency.
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Grid Pattern Casement Window
Three-panel casement window with decorative grid pattern on side panels and fixed top transom. Traditional colonial grid design with modern aluminum thermal break construction.
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Tilt & Turn Casement Window
Multi-function tilt-and-turn casement window with combined inward-opening and top-tilt ventilation modes. Ideal for high-rise buildings and spaces requiring flexible ventilation control.
Free QuoteWhy Choose EPAI Casement Windows?
Backed by 15+ years of aluminum manufacturing expertise, EPAI delivers casement windows that combine superior thermal performance, robust security, and elegant design for any project.
20,000m² Factory
State-of-the-art manufacturing facility with dedicated aluminum extrusion, thermal break processing, and precision window assembly lines.
Thermal Break Technology
Polyamide thermal break profiles reduce heat transfer by up to 70%, delivering excellent energy efficiency and condensation resistance for any climate.
Multi-Point Locking
Heavy-duty multi-point locking systems with stainless steel hardware provide superior security and airtight weather sealing for all casement configurations.
Acoustic Performance
Double and triple glazing options with acoustic interlayer glass achieve up to 45dB sound reduction for urban and high-noise environments.
Custom Design
Available in any RAL color with powder-coated or anodized finish. Custom grid patterns, transom configurations, and hardware options available.
Global Delivery
Reliable worldwide shipping serving architects, developers, and homeowners in 100+ countries with professional packaging and logistics support.
EPAI Manufacturing Advantages
As a leading aluminum window manufacturer in China, EPAI combines precision extrusion, advanced thermal break technology, and rigorous quality control for every project.
15+ Years of Specialization
Over 15 years focused on aluminum casement windows for residential, commercial, and hospitality markets worldwide.
20,000m² Production Facility
Large-scale factory with dedicated aluminum extrusion, CNC machining, thermal break assembly, and glazing lines.
Thermal Break Profiles
Polyamide PA66 thermal break inserts with 24mm–36mm break width options for different climate zones and energy performance requirements.
Double & Triple Glazing
In-house glazing with argon-filled double and triple glazed units achieving U-values as low as 0.8 W/m²K for passive house standards.
100+ Countries Served
Global distribution network with direct export capability and professional logistics support for international projects of any scale.
100% Pre-Shipment Inspection
Every window undergoes comprehensive quality inspection including water tightness, air permeability, and structural load testing before shipment.
International Certifications
CE marked products meeting EN14351 European window standards. AAMA and AS2047 certifications available for North American and Australian markets.
OEM/ODM Capability
Full OEM and ODM services for distributors and developers. Custom profile design, branding, and product development available.
How To Order Custom Casement Windows
Our streamlined process ensures your custom aluminum casement windows are manufactured and delivered with precision and efficiency.
Submit Inquiry
Share your opening dimensions, window configuration, glazing requirements, and finish preferences via our contact form or WhatsApp.
Receive Quote
Our team prepares detailed specifications, thermal performance data, and pricing within 48 hours of receiving your inquiry.
Confirm & Produce
Upon order confirmation, your custom casement windows enter production with real-time progress updates from our factory.
Ship & Install
Professionally packed and shipped worldwide with full installation drawings, hardware, and technical documentation included.
Frequently Asked Questions
Everything you need to know about EPAI aluminum casement windows. Can't find your answer? Contact our team directly.
Contact Us
We manufacture custom aluminum casement windows for any project — residential homes, apartments, commercial buildings, hotels, and large-scale developments. Our team will guide you from specification to delivery.