# MIWIND MIWIND manufactures air curtains, duct fans, exhaust fans and dehumidifiers for commercial entrances, HVAC projects and industrial airflow control. ## Product pages - /products/a3-series-air-curtain - A3 Series Air Curtain: PTC heated air curtain for cold commercial entrances, with 900-1800 mm lengths, 2.5-3.5 m mounting height and strong warm airflow separation. - /products/air-cabinet-fan-series - Air Cabinet Fan Series: Archimedes spiral air duct optimization for smoother airflow and more stable pressure - /products/air-filter-box - Air Filter Box: Three-stage filtration system (primary + activated carbon + H13) effectively removes harmful substances and odors - /products/b-series-air-curtain - B Series Air Curtain: Heavy-duty commercial/light-industrial air barrier for supermarkets, warehouses, logistics doors and food-processing entrances - /products/booster-fan - Booster Fan: Permanently lubricated bearing for quiet operation and zero maintenance - /products/booster-mixed-flow-inline-fans - Booster Mixed-Flow Inline Fans: Mixed-flow impeller design combines high airflow of axial fans with high static pressure of centrifugal fans, ideal for long-duct applications - /products/c-series-air-curtain - C Series Air Curtain: Higher discharge velocity and stronger barrier effect designed for taller commercial openings and high-traffic entries - /products/centrifugal-e-series-air-curtain - Centrifugal E Series Air Curtain: Centrifugal turbo design delivers higher air velocity and static pressure than cross-flow models, suitable for door heights up to 4-5 meters - /products/centrifugal-f-series-air-curtain - Centrifugal F Series Air Curtain: Unique curved panel design with full metal galvanized steel housing – modern appearance with excellent corrosion resistance, perfect for high... - /products/circular-duct-fan - Circular Duct Fan: All-metal circular housing, integrally formed, rust-proof and corrosion-resistant, sturdy and non-deformable - /products/cold-storage-air-curtain - Cold Storage Air Curtain: Full stainless steel housing – specially designed for cold storage high-humidity, low-temperature and frequent wash-down environments, never rusts - /products/commercial-heating-recovery - Commercial Heating Recovery: Large-area full heat exchange core efficiently recovers energy from exhaust air, significantly reducing HVAC load - /products/cross-flow-a5-series-air-curtain - Cross Flow A5 Series Air Curtain: Commercial-grade invisible air door that isolates indoor conditioned air from outdoor dust, insects and temperature loss - /products/d-series-air-curtain - D Series Air Curtain: Covers both standard commercial heights and taller industrial doorways with one series family—easier specification for contractors and projects - /products/direct-duct-fan - Direct Duct Fan: All-metal or high-strength ABS housing, sturdy and durable, resistant to deformation and sagging - /products/ecinline-duct-fan - EC Inline Duct Fan: EC brushless DC motor for energy savings up to 50% compared to traditional AC motors - /products/economic-q-series - Q Series Air Curtain: Compact, cost-effective air curtain solution for smaller shop doors, side entrances, service counters and budget-sensitive projects - /products/heated-a5-series-air-curtain - A5 Series Air Curtain: Higher heating capacity (up to 20000W) compared to A3 series, suitable for larger entrances or colder regions requiring stronger warmth - /products/industrial-dehumidifier - Industrial Dehumidifier: Industrial dehumidifier - up to 960 L/day, rust-proof, heavy-duty. - /products/industrial-series-air-curtain - Industrial Series Air Curtain: Ultra-high velocity of 28 m/s designed for industrial door openings of 6-8 meters, effectively blocking air exchange caused by large vehicle passage - /products/integrated-exhaust-ceiling-mounted-fan-series - Integrated Exhaust Ceiling Mounted Fan Series: High-quality aluminum alloy panel, compression-resistant, wear-resistant, never rusts - /products/max-d-series-air-curtain - Max D Series Air Curtain: Centrifugal booster design with curved panel – combines high wind speed with elegant appearance, ideal for commercial projects requiring both perform... - /products/mixed-flow-fan - Mixed Flow Fan: Mixed-flow impeller design combines high airflow and high static pressure, ideal for long-duct ventilation - /products/plastic-exhaust-ceiling-mounted-fan-series - Plastic Exhaust Ceiling Mounted Fan Series: High-quality ABS plastic housing, never rusts, strong and resistant to deformation - /products/plumbing-heating-air-curtain - Plumbing Heating Air Curtain: Uses hot water or steam as heat source – more economical than electric heating for facilities with existing boiler systems (hotels, factories, ho... - /products/pro-d-series-air-curtain - Pro D Series Air Curtain: Upgraded, professionally positioned variant for projects that need higher mounting heights without jumping to full centrifugal spec - /products/purified-duct-fan - Purified Duct Fan: Built-in multi-layer filtration system (primary + activated carbon + HEPA) effectively removes PM2.5, odors and harmful substances - /products/s-series-air-curtain - S Series Air Curtain: Slimmer all-metal architectural look with electrostatically painted finish—well suited for offices, showrooms, hotels and retail where appearance counts - /products/silent-booster-mixed-flow-inline-fans - Silent Booster Mixed-Flow Inline Fans: EC brushless motor (select models) for energy savings and stepless speed control - /products/silent-mixed-flow-inline-duct-fan - Silent Mixed-Flow Inline Duct Fan: Mixed-flow impeller design merges high airflow of axial fans with high static pressure of centrifugal fans - /products/silent-ventilation-fan - Silent Ventilation Fan: Pure copper motor with high-quality ball bearings for low noise and stable airflow - /products/ultra-thin-silence-fan - Ultra-Thin Silence Fan: Ultra-thin body design (thickness only 126-251mm) greatly saves installation space - /products/wall-mounted-exhaust-fan-series - Wall-Mounted Exhaust Fan Series: Copper motor with high-quality ball bearings for low noise and stable air volume - /products/x5-centrifugal-air-curtain-horizontal-intake - X5 Centrifugal Air Curtain Horizontal Intake: Horizontal intake design for standard above-door installation, airflow projects forward across the opening; optional air filter imp... - /products/x5-centrifugal-air-curtain-upper-intake - X5 Centrifugal Air Curtain Upper Intake: Upper intake design with air inlet on top, ideal for concealed ceiling installation or where ductwork needs to be hidden – cleaner aes... ## Product categories - /air-curtain - Air Curtain Products and Systems: Compare MIWIND air curtain products for commercial entrances, industrial doors, dust control, insect blocking and energy-saving airflow separat... - /centrifugal-air-curtain - Centrifugal Air Curtain Products: Explore high-velocity MIWIND centrifugal air curtain products for taller entrances, industrial doors and high-traffic commercial openings. - /cross-flow-air-curtain - Cross Flow Air Curtain Products: Review MIWIND cross-flow air curtain models for storefronts, service counters, standard doors and daily entrance airflow control. - /exhaust-fan - Exhaust Fan Products for Ventilation: Browse MIWIND exhaust fan products for bathrooms, kitchens, workshops and public-space ventilation with reliable airflow performance. - /fresh-air-system - Fresh Air and Duct Fan Systems: Compare MIWIND fresh air systems, inline duct fans, mixed-flow fans and heat-recovery ventilation products for HVAC airflow projects. - /heated-air-curtain - Heated Air Curtain Products: Compare MIWIND heated air curtain products for cold entrances, winter doorways and facilities that need stronger warm airflow barriers. - /industrial-dehumidifier - Industrial Dehumidifier Products: Review MIWIND industrial dehumidifier products for warehouses, workshops, storage rooms and commercial humidity-control projects. ## Articles - /articles/5-benefits-of-using-a-commercial-duct-booster-fan - 5 Benefits of Using a Commercial Duct Booster Fan: A commercial duct booster fan helps strengthen airflow through long ducts, weak branches and spaces where central ventilation... - /articles/6-benefits-of-residential-air-curtains-for-doors - 6 Benefits of Residential Air Curtains for Doors: Residential air curtains help separate indoor and outdoor air at doorways, improving comfort, insect control and heating or coo... - /articles/BangkokRHVAC2024 - Please join us on Bangkok RHVAC 2024 exhibition!: Mifeng cordially invite you to visit our booth at the Bangkok RHVAC 2024 in Thailand. As a company with extensive experience an... - /articles/RHVAC2024 - Mifeng sincerely invite you to visit our booth:Hall A,K-17 at the Jakarta RHVAC 2024 in Indonesia.: Mifeng is munafacturing company with the strength of ventilation system and a... - /articles/air-circulation-fan-duct - Choosing the Right Air Circulation Fan Duct for Your Space: Air circulation fan duct selection depends on duct length, airflow target, static pressure, noise limits and the avai... - /articles/air-curtain-for-food-service - Top Benefits of Air Curtain For Food Service: Air curtains in food-service spaces help separate dining or service areas from outdoor air, insects, odor movement and temperature... - /articles/air-curtain-for-shopping-malls - Air Curtain for Shopping Malls: A Smart Solution for Energy Savings and Customer Comfort: Shopping mall air curtains help maintain entrance comfort, reduce outside air exchange... - /articles/air-curtain-wholesale - Air Curtain Wholesale Solutions: Enhancing Indoor Environments Across Industries: Air curtain wholesale buyers need stable model ranges, catalog support, voltage options, packag... - /articles/air-filter-box - What Is An Air Filter Box?: An air filter box holds filter media before fans or HVAC equipment, helping keep dust, odor and intake contaminants out of fresh-air systems. - /articles/applications-of-air-curtains-across-various-industries - Applications of Air Curtains Across Various Industries: Air curtains are used across retail, food service, industrial doors and public buildings to manage airflow, comfort and e... - /articles/benefits-of-circular-inline-duct-fan - Maximizing Airflow Efficiency: The Benefits of Circular Inline Duct Fan: A circular inline duct fan improves airflow in round ducts and helps compact HVAC, fresh-air or exhaust... - /articles/benefits-of-heat-recovery-ventilation-exhaust-fan - The Benefits of Heat Recovery Ventilation Exhaust Fan: A heat recovery ventilation exhaust fan exchanges stale air for fresh air while recovering energy that would otherwise lea... - /articles/benefits-of-high-efficiency-ventilation-fans - Maximizing Airflow: The Benefits of High Efficiency Ventilation Fans: High-efficiency ventilation fans reduce energy waste while maintaining the airflow needed for comfort, odor... - /articles/benefits-of-using-a-dehumidifier-for-retail-stores - Top Benefits of Using a Dehumidifier for Retail Stores: A retail-store dehumidifier helps protect products, reduce musty odor, improve comfort and control moisture in storage or... - /articles/benefits-of-using-an-inline-duct-fan - What Are The Benefits Of Using An Inline Duct Fan?: An inline duct fan boosts airflow inside duct runs, helping fresh-air, exhaust and HVAC systems overcome long ducts or weak b... - /articles/choosing-the-best-ventilation-fan-for-coffee-shops - The Ultimate Guide to Choosing the Best Ventilation Fan for Coffee Shops: A coffee shop ventilation fan should match seating load, odor sources, duct layout and noise limits so... - /articles/choosing-the-right-inline-fan-supplier-factors-to-consider - Choosing the Right Inline Fan Supplier: Factors to Consider: A reliable inline fan supplier should provide stable specifications, catalog files, selection support, sample timing... - /articles/commercial-dehumidifier-supplier - Essential Tips to Finding the Right Commercial Dehumidifier Supplier: A commercial dehumidifier supplier should match humidity load, room size, drainage, voltage, duty cycle and... - /articles/difference-between-vent-fan-exhaust-fan - What Is The Difference Between A Vent Fan And An Exhaust Fan?: A vent fan can move or supply air, while an exhaust fan removes stale, humid or contaminated air from a specific s... - /articles/do-air-curtains-keep-cold-air-out - Do Air Curtains Keep Cold Air Out?: Air curtains help keep cold air out by creating a controlled airflow barrier across an opening when installed at the right height and speed. - /articles/do-inline-duct-booster-fans-work - Do Inline Duct Booster Fans Work?: Inline duct booster fans work when duct layout, airflow target, fan pressure and installation position are matched to the ventilation problem. - /articles/energy-efficient-air-curtain - Energy Efficient Air Curtain: A Smart Solution for Sustainable Buildings: An energy-efficient air curtain reduces unwanted air exchange at open doors when airflow speed, width a... - /articles/energy-saving-ventilation-fans-high-efficiency-meets-power - Energy Saving Ventilation Fans: High Efficiency Meets Power: Energy-saving ventilation fans combine efficient motors, stable airflow and correct sizing to reduce power use witho... - /articles/exhaust-fans-maintenance-tips-extend-life-of-ventilation-system - Exhaust Fans Maintenance Tips: Extend the Life of Your Ventilation System: Exhaust fan maintenance keeps airflow stable by cleaning blades, checking motors, tightening mounts an... - /articles/heat-recovery-ventilation - What Is A Heat Recovery Ventilation?: Heat recovery ventilation transfers energy between outgoing stale air and incoming fresh air, improving air quality while reducing HVAC loss. - /articles/heat-recovery-ventilation-fan - A Comprehensive Guide To Using A Heat Recovery Ventilation Fan: A heat recovery ventilation fan brings fresh air indoors while transferring energy from exhaust air, reducing HVA... - /articles/high-capacity-dehumidifier-distributor - Finding the Right High Capacity Dehumidifier Distributor for Your Business Needs: A high-capacity dehumidifier distributor should verify moisture load, application conditions, d... - /articles/how-to-choose-the-right-air-curtain - How To Choose The Right Air Curtain For Your Buildings?: Choosing an air curtain starts with doorway width, mounting height, traffic frequency, indoor climate goals and the avai... - /articles/how-to-choose-the-right-ventilation-fan-for-home-business - How to Choose the Right Ventilation Fan for Your Home or Business: The right ventilation fan depends on room size, airflow target, duct resistance, noise limit and whether the p... - /articles/installation-method-of-air-curtain - Installation Method Of Air Curtain: Air curtain installation starts with doorway width, mounting height, wall strength and wiring access before fixing the back plate and testing... - /articles/invitation-to-you-to-visit-us-at-malaysia-hvac-2024 - Invitation to you to visit us at Malaysia HVAC 2024: We’re excited to extend a warm invitation to you to visit us at Malaysia HVAC & Refrigeration Exhibition held at the Kuala... - /articles/maximizing-energy-efficiency-heat-recovery-ventilation-fan-in-homes - Maximizing Energy Efficiency: The Role of Heat Recovery Ventilation Fan in Modern Homes: Heat recovery ventilation fans improve home energy efficiency by reusing heat from outgo... - /articles/nsf-37-air-curtains-restaurant-back-doors - NSF 37 Air Curtains for Restaurant Back Doors: What Foodservice Buyers Need to Check: Learn what foodservice buyers should verify before choosing a restaurant back-door air curt... - /articles/oem-vs-odm-ventilation-products - OEM vs ODM Ventilation Products: Which Path Fits Distributors and Private Label Brands?: Compare OEM ODM ventilation products by control, speed, branding, samples, MOQ, tooling... - /articles/outdoor-air-intake-filter-damper-pressure-drop - Outdoor Air Intake Design: Filters, Dampers, and Duct Pressure Drop: Plan outdoor air intake assemblies with screens, louvers, filters, dampers, duct sealing, pressure-drop revi... - /articles/residential-vs-commercial-dehumidifier-difference - Residential Vs Commercial Dehumidifier: What Is The Difference?: Residential dehumidifiers suit smaller occupied rooms, while commercial dehumidifiers are built for larger space... - /articles/residential-vs-commercial-dehumidifier-key-differences-and-benefits - Residential Vs Commercial Dehumidifier: Key Differences and Benefits: Residential and commercial dehumidifiers differ in capacity, duty cycle, drainage, controls and the humidit... - /articles/revolutionizing-ventilation-how-exhaust-fans-improve-air-quality-and-efficiency - Revolutionizing Ventilation: How Exhaust Fans Improve Air Quality and Efficiency: Exhaust fans improve air quality by removing stale, humid or polluted air at the source and sup... - /articles/rohs-compliance-hvac-electrical-products-documentation-guide - RoHS Compliance for HVAC Electrical Products: A Buyer's Documentation Guide: Learn what buyers should request for RoHS compliance in HVAC electrical products, including declarat... - /articles/stop-condensation-warehouse-dew-point-control - How to Stop Condensation in Warehouses and Production Areas with Dew Point Control: Troubleshoot warehouse condensation by reviewing dew point, cold surfaces, RH, temperature, d... - /articles/the-ultimate-guide-to-choosing-a-cross-flow-air-curtain-supplier - The Ultimate Guide to Choosing a Cross Flow Air Curtain Supplier: A cross-flow air curtain supplier should match doorway size, mounting height, noise requirements, catalog data... - /articles/top-trends-in-air-curtain-technology-for-2025 - Top Trends in Air Curtain Technology for 2025: Air curtain technology in 2025 focuses on quieter motors, smarter controls and more efficient airflow separation for commercial do... - /articles/troubleshooting-low-airflow-inline-fan - Low-Airflow Troubleshooting After Installing an Inline Fan: Use this inline fan low airflow troubleshooting checklist after installation to check direction, restrictions, pressu... - /articles/type-i-vs-type-ii-kitchen-hoods - Type I vs Type II Kitchen Hoods: Choosing Exhaust for Grease, Heat, and Steam: Compare Type I and Type II kitchen hoods, appliance examples, fan/duct implications, make-up air r... - /articles/ul-507-ul-705-fan-safety-standard-guide - UL 507 and UL 705: Which North American Safety Standard Applies to Your Fan?: Compare UL 507 and UL 705 for fan procurement, including electric fans, power ventilators, duct fan... - /articles/upblast-vs-wall-mounted-exhaust-fans - Upblast vs Wall-Mounted Exhaust Fans: Choosing the Right Discharge Direction: Compare upblast, wall-mounted, inline, and propeller exhaust fans by contaminants, duct pressure, d... - /articles/ventilation-certification-documents-oem-rfq - Certification Documents for OEM Ventilation Orders: CE, CB, RoHS and AMCA Questions: Request ventilation product certification documents for OEM orders: CE, CB, RoHS, AMCA, mode... - /articles/ventilation-fan-for-supermarkets - How a Ventilation Fan for Supermarkets Can Transform Your Store's Environment: A supermarket ventilation fan helps control odor, humidity and stale air across sales floors, stor... - /articles/ventilation-product-spec-sheet-checklist - Ventilation Product Spec Sheet Checklist for RFQ Comparison: Use this ventilation fan spec sheet checklist to compare airflow, pressure, noise, power, motor, controls, mounting... - /articles/ventilation-vs-exhaust-fans-difference - Ventilation Vs Exhaust Fans: What Is The Difference?: A ventilation fan moves fresh air or circulates air through a space, while an exhaust fan removes stale, humid or polluted... - /articles/vertical-air-curtain-no-header-space-wide-entrance - Vertical Air Curtains for Entrances with No Header Space or Wide Openings: Review vertical air curtains for commercial entrances with no header space, glass doors, wide openings... - /articles/walk-in-cooler-air-curtains-vs-strip-curtains - Walk-In Cooler Air Curtains vs Strip Curtains for Restaurants and Grocery Stores: Compare air curtains and strip curtains for walk-in cooler doors, including traffic, hygiene, c... - /articles/warehouse-air-curtain-roi-factors - ROI Factors for Warehouse Air Curtains: Door Size, Open Hours, and Climate: Use this warehouse air curtain ROI worksheet to compare door size, open hours, climate, airflow fit... - /articles/warehouse-dock-door-air-curtain - How Air Curtains Protect Warehouse Dock Doors During Loading and Unloading: Plan warehouse dock door air curtains for active loading bays, forklifts, pallets, outside air, insec... - /articles/warehouse-dock-door-insect-control-air-curtain - Insect Control at Warehouse and Food Storage Dock Doors Without Blocking Traffic: Plan insect control at food, beverage, packaging, and cold-chain dock doors without blocking tr... - /articles/warehouse-humidity-control-inventory-protection - Warehouse Humidity Control: Protect Inventory from Mold, Rust, and Condensation: Learn how warehouse humidity control supports inventory protection by reviewing RH, door traffic... - /articles/what-is-a-ventilation-fan-used-for - What Is A Ventilation Fan Used For?: A ventilation fan is used to move fresh air, remove stale air, balance humidity and support healthier airflow in occupied spaces. - /articles/what-is-an-heat-recovery-ventilation - What is an heat recovery ventilation?: A heat recovery ventilation system brings in fresh air while recovering energy from exhaust air, lowering HVAC load during ventilation. - /articles/what-is-source-capture-ventilation - Source Capture Exhaust Ventilation: Practical Guide for Exhaust Fan Projects: Learn source capture ventilation basics, system parts, and buyer inputs before selecting exhaust fa... - /articles/what-is-the-purpose-of-an-air-curtain - What Is The Purpose Of An Air Curtain?: The purpose of an air curtain is to create an airflow barrier that separates indoor and outdoor air while keeping an opening usable. - /articles/where-is-the-best-place-to-put-a-dehumidifier - Where Is The Best Place To Put A Dehumidifier?: The best place for a dehumidifier is the most humid area with clear airflow, safe drainage and enough clearance around intake and... - /articles/where-should-make-up-air-enter-restaurant-kitchen - Where Should Make-Up Air Enter a Restaurant Kitchen?: Compare restaurant make-up air placement options and how supply direction, temperature, velocity, and diffuser location aff... - /articles/why-every-bathroom-needs-a-ceiling-ventilation-exhaust-fan - Why Every Bathroom Needs a Ceiling Ventilation Exhaust Fan?: A ceiling ventilation exhaust fan removes humid bathroom air, reducing odor, condensation and mold risk when natural... - /articles/why-use-a-commercial-dehumidifier - Why Use A Commercial Dehumidifier?: A commercial dehumidifier controls heavier moisture loads in spaces where comfort, product protection, storage or process stability matters. - /articles/why-use-an-air-curtain - Why Use an Air Curtain?: An air curtain helps separate indoor and outdoor air at open doors, improving comfort, insect control and heating or cooling efficiency. - /articles/wind-exposed-commercial-entrance-air-curtain - Wind-Exposed Entrances: How Wind Direction and Facade Pressure Affect Air Curtain Selection: Plan air curtains for wind-exposed commercial entrances by checking wind direction... - /category/company-news - MIWIND Company News and Updates: Read MIWIND company news about exhibitions, factory capability, export certification and ventilation product development updates. - /category/ducted-fresh-air-engineering - Ducted Fresh Air Engineering: Ducted Fresh Air Engineering - /category/entrance-airflow-strategy - Entrance Airflow Strategy: Entrance Airflow Strategy - /category/foodservice-retail-airflow - Foodservice & Retail Airflow: Foodservice & Retail Airflow - /category/industrial-door-airflow - Industrial Door Airflow: Industrial Door Airflow - /category/moisture-control-engineering - Moisture Control Engineering: Moisture Control Engineering - /category/oem-distributor-rfq - OEM Distributor RFQ: OEM Distributor RFQ - /category/source-capture-exhaust - Source Capture Exhaust: Source Capture Exhaust - /category/technical-compliance-docs - Technical Compliance & Docs: Technical Compliance & Docs ## Applications and cases - /application-category/commercial-buildings - Commercial Building Ventilation Applications: Browse MIWIND air curtain and ventilation applications for retail stores, offices, hotels, malls and public commercial buildings. - /application-category/food-service - Food Service Ventilation Applications: Review MIWIND airflow applications for restaurants, kitchens, food courts, supermarkets and convenience-store ventilation projects. - /application-category/industrial-sites - Industrial Site Ventilation Applications: See MIWIND ventilation applications for factories, warehouses, loading areas, logistics doors and production airflow management. - /application-category/residential-hvac - Residential and HVAC Ventilation Applications: Compare MIWIND fresh air, duct fan and quiet ventilation applications for homes, offices and residential HVAC airflow projects. - /applications - Retail: Match air curtains, ventilation, cooling, and humidity-control products for Retail, with options suited to customer-facing commercial spaces. - /cases/business-entrance-air-curtain-case - Guangzhou Baixin Plaza: Commercial plaza entrance project using MIWIND air curtain climate-control support. - /cases/changsha-south-station-case - Changsha South Railway Station: Transport-hub airflow-control project using MIWIND entrance air curtain references. - /cases/guangzhou-tower-airflow-case - Guangzhou Tower: Public landmark project using MIWIND air curtain and ventilation references for visitor-facing airflow control. - /cases/haikou-meilan-control-center-case - Haikou Meilan District Control Center: Public-building project using MIWIND sterilization, purification and exhaust-air systems. - /cases/hospital-entrance-airflow-case - Guangdong Second People's Hospital: Hospital project using MIWIND high-efficiency sterilization, purification and exhaust-air systems. - /cases/qingyuan-peoples-hospital-case - Qingyuan People's Hospital: Hospital airflow-management project using MIWIND purification and ventilation references. - /cases/restaurant-kitchen-ventilation-case - Restaurant Kitchen: Ventilation and entrance comfort support for restaurant projects. - /cases/shimen-experimental-school-case - Shimen Experimental School: Campus fresh-air project using MIWIND ventilation and indoor-air-quality references. - /cases/shopping-mall-air-curtain-case - Guangzhou Huabiao Plaza: Airflow separation project for a high-traffic commercial plaza entrance. - /cases/transport-hub-air-curtain-case - Guangzhou South Railway Station: Busy transport-hub project using MIWIND air curtain and ventilation references for public entrance airflow control. - /cases/warehouse-industrial-door-case - Harbin Comprehensive Bonded Zone: Industrial door airflow management project for bonded-zone warehouse operations. - /solutions/heated-series-solution - Heated Series: Heated air curtain solutions for cold entrances, low-temperature regions and commercial doors that require stronger warm airflow barriers. - /solutions/home-small-shop-ventilation-solution - Home & Small Shop Ventilation Solution: Quiet, energy-conscious ventilation recommendations for small shops, home rooms and light commercial interiors. - /solutions/industrial-series-solution - Industrial Series: For warehouses, factories and large industrial doors. - /solutions/kitchen-exhaust-ventilation-solution - Kitchen Exhaust Ventilation Solution: Ventilation and odor-control product combinations for commercial kitchen exhaust projects. - /solutions/retail-commercial-buildings - Retail & Commercial Buildings Solution: Air curtain systems for retail and commercial entrances. - /solutions/shopping-mall-hvac-solution - Shopping Mall & HVAC Solution: Integrated air-curtain and ventilation guidance for shopping malls, atriums and HVAC-driven public commercial spaces. - /solutions/silent-series-solution - Silent Series: Silent ventilation and air-curtain solutions for hotels, offices and quiet commercial interiors where comfort and low noise matter. ## Resources - /certificate-category/cb-certificates - CB Certificates for MIWIND Products: View MIWIND CB certificate documents for air curtains, duct fans and ventilation product lines used in export market compliance. - /certificate-category/ce-certificates - CE Certificates for Ventilation Products: View MIWIND CE certificate documents for air curtains, exhaust fans, duct fans and related ventilation equipment. - /certificate-category/emc-certificates - EMC Certificates for MIWIND Products: View MIWIND EMC certificate documents for ventilation equipment, air curtains and fan products used in export projects. - /certificates - Cross Flow Air Curtain CB Certificate: IECEE CB Scheme certificate for cross-flow air curtain models. - /download-category/air-curtain-catalog - Air Curtain Catalog Downloads: Download MIWIND air curtain catalogs for commercial entrances, industrial doors, heated models and product selection reference. - /download-category/dehumidifier-catalog - Dehumidifier Catalog Downloads: Download MIWIND dehumidifier catalogs for industrial humidity control, storage protection and commercial project selection. - /download-category/exhaust-fan-catalog - Exhaust Fan Catalog Downloads: Download MIWIND exhaust fan catalogs for ceiling, wall and ducted ventilation products used in commercial or residential projects. - /download-category/full-product-catalog - Full MIWIND Product Catalog Downloads: Download full MIWIND product catalogs covering air curtains, duct fans, exhaust fans, dehumidifiers and ventilation solutions. - /download-category/inline-fan-catalog - Inline Fan Catalog Downloads: Download MIWIND inline fan and duct fan catalogs for fresh air, mixed-flow and HVAC airflow product selection. - /download-category/portable-ac-catalog - Portable AC Catalog Downloads: Download MIWIND portable air conditioning catalog files for spot cooling, temporary work areas and commercial airflow support. - /downloads - MIWIND Air Curtain Product Catalogue: Air curtain catalogue with model information and product selection references. ## Support pages - / - AIRFLOW SOLUTIONS FOR BETTER SPACES: Professional Air Curtain & Ventilation Equipment Manufacturer for Commercial, Industrial and HVAC Applications. - /about-us - About MIWIND: MIWIND manufacturing capability, export service, quality systems and long-term ventilation production strength for global partners. - /after-sales-support - After-sales Support: Warranty policy, spare parts and technical support information for MIWIND buyers. - /air-velocity-calculator - Air Velocity Calculator: Calculate air velocity from airflow and duct size, or estimate airflow from measured velocity for MIWIND fan, fresh air and exhaust fan projects. - /blog - News: Company updates and event notes managed from backend article entries. - /capability - Capability: Factory capability, quality process and global market footprint. - /cases - Customer Application Cases: Real MIWIND project cases across commercial entrances, warehouses, transport hubs, and public buildings. - /contact-us - Contact MIWIND: Send project requirements and receive product selection support. - /faq-category/certification-compliance - Certification and Compliance FAQ: Use the MIWIND certification compliance FAQ to confirm export documents, certificates and product compliance support for ventilation buyers. - /faq-category/installation-selection - Installation and Selection FAQ: Use the MIWIND installation selection FAQ for air curtain mounting, duct fan sizing, project inputs and ventilation product guidance. - /faq-category/sampling-moq - Sampling and MOQ FAQ: Use the MIWIND sampling MOQ FAQ to understand sample timing, order quantity references and project cooperation details. - /faq-category/warranty-service - Warranty and Service FAQ: Use the MIWIND warranty service FAQ for product warranty, spare parts, after-sales coordination and long-term ventilation support. - /faqs - Frequently Asked Questions: Managed answers for warranty, installation, certification and project-support questions. - /faqs/air-curtain-installation-height - How should air curtain installation height be confirmed?: Confirm doorway width, installation height, indoor and outdoor conditions, voltage and traffic frequency before selecti... - /faqs/air-curtain-oem-bulk-order-support - Can MIWIND support air curtain OEM or bulk orders?: Yes. MIWIND can review air curtain OEM or bulk-order requests according to model range, voltage, branding, packaging and dest... - /faqs/continuous-running-performance - Can MIWIND air curtains support long running hours?: The air curtain source brochure highlights copper-motor performance with up to 8000 hours of trouble-free continuous operati... - /faqs/distributor-document-support - What documents can MIWIND provide for distributors?: MIWIND can provide catalogues, selection guides, technical references, certification files and company-profile material acco... - /faqs/duct-fan-selection-support - What details help MIWIND recommend a duct fan?: Buyers should share airflow target, duct length, installation space, noise requirement and application type so MIWIND can compare... - /faqs/energy-efficient-air-curtain-project-support - Can MIWIND support energy efficient air curtain projects?: Yes. Buyers can share doorway size, installation height, expected operating hours, control preference and indoor cooli... - /faqs/explosion-proof-project-inputs - What details should buyers share for explosion-proof dehumidifier projects?: Buyers should share the operating environment, humidity target, room size, voltage, drainage conditi... - /faqs/export-certification-support - Which certifications can MIWIND support for export projects?: Source materials reference CCC, CQC, ISO9001, CE, CB, RoHS, SGS, SASO, KC and INMETRO-related compliance support de... - /faqs/motor-warranty-policy - What warranty does MIWIND provide?: MIWIND provides 1 year standard warranty for complete products and 3 years warranty support for motor-related quality issues. Buyers can conf... - /faqs/oem-branding-packaging-support - Can MIWIND support OEM branding and packaging?: Yes. MIWIND can coordinate logo, packaging, label and selected appearance customization for OEM and private-label cooperation aft... - /faqs/recessed-air-curtain-project-support - Can MIWIND support recessed air curtain projects?: Yes. Buyers should share ceiling depth, doorway width, installation height, control preference and finish expectations so MIWI... - /faqs/sample-lead-time-support - How quickly can MIWIND prepare samples?: Selected standard samples can be prepared in about 3 days after model, voltage and branding details are confirmed. Customized samples de... - /faqs/silent-inline-fan-comparison-support - How should buyers compare silent inline fan options?: Compare airflow, static pressure, noise level, installation space and application type so MIWIND can recommend a quieter in... - /faqs/spare-parts-replacement-support - Can MIWIND provide spare parts or replacement components?: Yes. MIWIND can support standard spare parts and customized replacement components for OEM and project orders after th... - /faqs/standard-order-lead-time - What is the lead time for standard MIWIND orders?: Lead time depends on model, quantity, branding scope and current production scheduling. Standard orders can usually move faste... - /faqs/standard-order-moq - What is the MOQ for standard MIWIND orders?: For standard air curtain cooperation, the site architecture source highlights MOQ 50 units as a practical reference. Final MOQ can s... - /faqs/ventilation-fan-vs-exhaust-fan-support - How should buyers compare ventilation fans and exhaust fans?: Buyers should compare whether the project needs fresh-air supply, targeted exhaust, balanced airflow, odor removal... - /oem-odm-service - OEM/ODM Service: Customization, sampling and channel support for distributors and brand owners. - /partners - Partners: Distributor and agent cooperation information from the MIWIND site architecture. - /products - Product Center: A complete range of commercial ventilation and air curtain solutions for every application. - /products/air-curtain-series - Air Curtain Series: High-performance air curtains for commercial entrances and industrial doors. - /products/duct-fan-series - Duct Fan Series: Heating recovery, cabinet fan and duct ventilation products from the MIWIND fan catalog. - /products/exhaust-fan-series - Exhaust Fan Series: Wall, roof and ducted exhaust fan products for commercial and industrial ventilation. - /products/industrial-dehumidifier-series - Industrial Dehumidifier Series: Commercial, industrial, ceiling and explosion-proof dehumidifier products from the MIWIND catalog. - /roi-calculator - Air Curtain ROI Calculator: Estimate heating-season savings and simple payback for a commercial doorway before MIWIND model confirmation. - /solutions - Solutions: Ventilation and air curtain application solutions for different commercial and industrial environments. - /technical-resources - Technical Resources: Installation manuals, user guides, product catalogues, technical articles and certification files for MIWIND buyers. - /why-choose-us - Why Choose Us: Factory capability, quality process and global market footprint.