Leading Global Provider of Thermal Aluminum Entry Systems
As a top-ranking Chinese exporter in the door and window industry, DERCHI provides global customers with one-stop customized aluminum door and window solutions. With advanced manufacturing facilities and strong R&D capabilities, we deliver high-quality products and reliable project support to clients worldwide.
Recognized by the world-class media Xinhua News Agency as a "China Famous Brand", DERCHI Doors and Windows (Guangdong Dejiyoupin Doors and Windows Co., Ltd.) specializes in the research, development, and manufacturing of high-end doors and windows for the global market, offering strong innovation capabilities and large-scale production capacity.
Engineered for Thermal Performance & Sustainability
As a specialized energy efficient entry door manufacturer, we integrate advanced thermodynamic principles to drastically reduce thermal transfer, lower carbon footprints, and optimize HVAC operations.
Thermal Break Technology
By embedding polyamide insulating strips within our aluminum profiles, we break the thermal bridge, preventing external heat or cold from transferring into your living space.
Double & Triple Glazing
Our glass panels feature low-emissivity (Low-E) coatings and argon gas fills, achieving exceptionally low U-factors and optimized Solar Heat Gain Coefficients (SHGC).
Multi-Point Airtight Seals
Equipped with high-elasticity EPDM weatherstripping and our patented lock systems, DERCHI entry doors eliminate drafts and moisture infiltration completely.
Featured High-Performance Entry Doors
Explore our premium selection of energy-efficient, high-security entrance systems engineered for modern residential and commercial architectures.
Extra Large Aluminum Entry Door | Solid Wood Glass Sidelight
Combines structural rigidity of heavy-duty aluminum with thermal insulation and contemporary design aesthetics.
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Aluminum Double Glazed Pivot Door | Big Size Glass Front Entry
Features double-glazed safety glass and a heavy-duty pivot hinge system for grand architectural statements.
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Luxury Aluminum Front Entry Doors | Soundproof Villa Security
Sound-dampening acoustic cores paired with multi-chamber thermal breaks for ultimate luxury and peace.
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Modern Pivot Entry Door | Black Aluminum Villa Security Front
Sleek matte black finish, optimized thermal performance, and intelligent keyless entry support.
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DERCHI NFRC American Aluminum Security Pivot Doors with Smart Lock
NFRC-certified for thermal insulation. Features heavy-duty security pins and biometric smart locks.
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DERCHI USA Modern Energy Saving Aluminum Bi-Fold Doors
Seamless indoor-outdoor flow with state-of-the-art energy conservation profiles and easy-glide mechanisms.
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Hurricane Rated Aluminum Pivot Door | Commercial Front Entry
Engineered to withstand coastal storms while maintaining tight thermal envelopes for commercial projects.
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Stainless Steel Pivot Villa Door | Anti-Theft Fire-Rated Entry
Maximum anti-theft security and fire ratings combined with a robust thermal barrier for modern villas.
View ProductState-of-the-Art Production Lines & Testing
Our intelligence-driven manufacturing processes ensure each door meets strict global energy efficiency and structural load requirements.
German Engineering & Intelligent Warehousing
We operate with a commitment to zero-defect manufacturing. By deploying advanced European machinery, we achieve sub-millimeter precision across every custom profile.
- ✔ Three German fully equipped automated strip insertion machines
- ✔ Six glass production lines for high-efficiency double/triple glazing
- ✔ Five intelligent warehouses optimizing material tracking and delivery
- ✔ Eight internationally advanced automated production lines
Rigorous Quality Inspections & Testing Center
Every single entry door undergoes strict quality audits before shipment. Our independent window and door performance testing and experimentation center tests for:
- ✔ 168 production processes and 38 quality inspections.
- ✔ Wind pressure, water tightness, and air infiltration testing.
- ✔ Thermal cycling chambers to simulate extreme arctic and desert temperatures.
Inside Our Advanced Manufacturing Workshop
Certified Thermal Performance & Patented Security
DERCHI holds over 100 national patents, including our exclusive Four-Side Six-Point Lock invention patent for enhanced structural security. Our systems are engineered to comply with strict construction codes and environmental certifications across all major international markets.
Trusted Partner Worldwide for Aluminum Windows & Doors
With a robust global footprint, we supply high-performance solutions to architects, developers, and distributors on every continent.
Proven International Footprint
There are more than 700 exclusive shops spread out across many cities in China. We proudly serve more than 100 countries around the world and have provided premium door and window products and services for over 100,000+ construction projects.
Whether you require custom dimensions for a luxury coastal villa or high-volume thermal break entrance doors for an eco-friendly multi-family development, our engineering team ensures accurate local code compliance and optimal thermal performance metrics.
Some of Our Global Project Partners





How to Choose an Energy Efficient Entry Door Manufacturer
Selecting the right manufacturer involves evaluating thermal testing standards, structural integrity, and material engineering.
1. Analyze U-Factor and SHGC Ratings
The U-factor measures the rate of non-solar heat transfer. A lower U-factor indicates better insulating properties. The Solar Heat Gain Coefficient (SHGC) measures how much solar radiation passes through the door. Professional manufacturers provide third-party certified NFRC or Energy Star metrics for these values.
2. Insist on Thermal Break Profiles
Standard aluminum is highly conductive. High-quality aluminum entry doors must feature a thermal break (typically a reinforced polyamide strip) that physically separates the interior and exterior aluminum frames, stopping thermal flow.
3. Verify Security Hardware Integration
Energy efficiency should not compromise structural safety. Look for manufacturers that offer multi-point lock mechanisms. DERCHI’s patented Four-Side Six-Point Lock provides robust anti-theft security while pulling the door tightly against the gaskets for a perfect airtight seal.
4. Verify Hurricane and Impact Ratings
For coastal installations, doors must withstand high wind loads and flying debris. Ensure the manufacturer offers laminated impact glass and robust structural profiles certified by international standards such as AS2047 or Florida Building Code compliance.
Frequently Asked Questions
Clear answers to technical inquiries regarding our energy-efficient entry systems.
What makes aluminum entry doors energy efficient?
Aluminum entry doors achieve high energy efficiency through the integration of thermal breaks (polyamide insulation strips), double or triple double-glazed Low-E glass filled with argon gas, and multiple rows of high-performance EPDM weather stripping to prevent air leakage.
Are DERCHI doors certified for the US and European markets?
Yes. DERCHI doors and windows carry certifications including NFRC and Energy Star for the USA, CE for Europe, CSA for Canada, and AS2047 for Australia. This ensures compliance with local building codes and energy conservation requirements.
Can I customize the dimensions and aesthetics of my entry door?
Absolutely. We offer complete custom services. You can customize the dimensions, frame finishes (including anodized, powder-coated, or wood grain finishes), glass patterns, sidelights, and smart locking systems to match your architectural requirements.
What is the lead time for custom door orders?
Lead times vary depending on the configuration and order volume. Typically, custom orders take 30 to 45 days from drawing confirmation to completion at our 180,000 m² production base.
Ready to Upgrade Your Architectural Projects?
Partner with DERCHI for certified, high-security, and thermal-efficient entry door solutions. Contact our engineering team today for a free consultation and quote.
