Longwell Fan Engineering for HVAC, Energy Storage and OEM Appliances
Category of LONGWELL Products
Popular Fan Catalogs & Technical Downloads
Browse our most popular product catalogs, brochures and technical resources for industrial ventilation solutions. Download PDF catalogs for centrifugal fans, EC fans, cross flow fans and OEM manufacturing, or explore our complete resource library.
Need Help Selecting the Right Fan?
Tell us about your airflow, pressure, voltage, dimensions or application. Our engineers will recommend the most suitable fan and send matching catalogs, drawings and quotations within 24 hours.
- ✔ Expert product recommendations
- ✔ Customized catalog selection
- ✔ Drawings & technical specifications
- ✔ OEM & ODM project support
Factory Tour & Quality Control
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LONGWELL | Fans Manufacturer & Supplier of Motors
About @LONGWELL Group
Longwell (LONGWELL) focuses on providing global customers with high-efficiency, controllable fan solutions and HVACR integrated technical solutions based on ventilation technology. Driven by technological innovation, Longwell continuously researches and develops advanced fan technology to offer customers high-performance and high-efficiency solutions. Our products cover civilian ventilation, wind power generation, industrial manufacturing, new energy, and agricultural production, earning the trust and praise of customers worldwide.
- ● Highly Qualified: ISO9001, ISO14001, ISO45001, BSCI, CE, UL/ETL, FCC, CCC, RoHS, EMC, LVD, etc.
- ● OEM for Well-Known Brands.
- ● Supplies Fortune 500 Companies
- ● Global Technical Support (European office, North American office, Dubai office, etc.)
High-Performance Industrial Fan Series & Ventilation Solutions
Explore our core catalog of engineered industrial fans. From backward curved centrifugal blowers to smart EC axial fans, we deliver high-efficiency, certified aerodynamic systems tailored for precise OEM/ODM engineering integration.
Longwell Fans Selection Guide & Engineering Challenges Solved
Overcome system layout friction with our expert fan sizing support. Whether calculating complex airflow-to-static pressure ratios or seeking exact European brand cross-referencing, our engineers help you select the optimal configuration for maximum efficiency and seamless integration.
| Engineering Challenge | Technical Solution & Support | Action |
|---|---|---|
| How can I find a high-efficiency alternative to my current European fan brand? | Access our comprehensive cross-reference database. Input your existing global brand model number to instantly find a compatible Longwell solution optimized for matching mounting footprints, electrical interfaces, and aerodynamic performance curves. | Cross-Reference |
| Which fan type or configuration fits my specific ventilation system? | We map your exact airflow requirements, static pressure drop, space constraints, and control protocols (0-10V/Modbus) to recommend the ideal fan series, maximizing system efficiency while lowering operational noise. | Selection Guide |
| Can Longwell customize electrical and structural components? | Yes. We offer fully customized options including voltage modifications, tailored connectors/cables, mounting brackets, specialized scroll housings, and optimized impeller aerodynamics. | Request OEM/ODM |
| Does your technology meet our market's strict regulations? | Our products conform to strict global standards. We provide certified documentation (CE, UL, RoHS, ATEX/IECEx) mapped specifically to your target country and precise ventilation application. | View Certificates |
| How fast can we receive technical specs and a quote? | Submit your required airflow, operating pressure, input voltage, and project volume. Our specialized engineering team will review your specifications and deliver an official technical proposal within 24 hours. | Get Fast Quote |
Engineered Solutions Across Key Industrial & HVAC Applications
Innovative Solutions with Integrated Technologie
Technical & Compliance FAQs for HVAC Engineers
Find critical engineering data, certification specifications, and customization support designed to accelerate your system layouts and streamline compliance validation.
Can I Get 3D CAD/STEP Drawings for Design-in?
Yes, our engineering team can provide 3D STEP/IGES files for all fan assemblies to assist your R&D department in system layouts.
Do You Offer Alternatives to European Brands?
Yes. We have a comprehensive cross-reference database. Send us your current brand's model number, and we will recommend a compatible, high-efficiency alternative with matching dimensions and electrical interface.
What is Your Sample Policy and Typical Lead Time?
Standard samples are available in 1-3 days. Custom OEM/ODM samples take 7-14 days. We support low-MOQ sample runs for validation testing.







