HVAC Fan Manufacturer & OEM/ODM Partner

What We Offer

Factory-direct centrifugal fans — AC & EC — under our own brand Insofan. One partner for OEM/ODM design, production, and component sourcing, so your supply chain stays simple.

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20+Years in HVAC Fans
Own FactoryDirect Manufacturing
One-StopFan & Component Sourcing
Insovent HVAC Fan Manufacturing
Product Technology & Engineering

What's Our Core

EC smart plug fans, single inlet, double inlet, and film-supported units — precision-engineered with variable-width impellers and IE5+ motors, certified for global HVAC applications.

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Variable Width50/60 Hz — No VFD Needed
IE4 / IE5Ultra-High Efficiency Motors
CE · AMCA · ATEXGlobally Certified & Trusted
Core Technology
Your Dedicated Fan Engineering Partner

Why Choose Us

Not a giant corporation — a focused team with 20 years of expertise. Small orders welcome, decisions made fast, and we scale with your business. Your success drives ours.

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75%China HE Fan Market Share
< 2 HoursAverage Response Time
50+Countries Served
Our Team
Insovent Factory

About Us

HVAC Fan Manufacturer / OEM & ODM Partner / One-Stop Sourcing

Insovent, an expert in air conditioning and industrial ventilation technology in Guangzhou, China. Backed by factory, we manufacture high-efficiency AC and EC HVAC centrifugal fans under our own brand Insofan. We also support HVAC fan, industrial fan, building ventilation fan for OEM and ODM clients with custom solutions. To further streamline your supply chain, we offer integrated sourcing for related components — all backed by our engineering expertise and production capability.

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HVAC Fan Center

EC Plenum Fan

EC Plenum Fan

IE5+ Motor IP66 Protection Stepless Control 700h Salt Spray BMS Built-in
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Standard Plenum Fan

Standard Plenum Fan

Variable Width High Efficiency Low Noise Airfoil/Plate Blade ATEX Optional
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Single Inlet Fan

Single Inlet Fan

Duct Connection Variable Width 6 Mounting Configurations Airfoil/Plate Blade ATEX Optional
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Double Inlet Fan

Double Inlet Fan

Variable Width Up to 185,000 CMH Rotating Diffuser ATEX Optional Airfoil/Plate Blade
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Film Supported Fan

Film Supported Fan

High-Efficiency Outdoor Unit Continuous Operation Weatherproof
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Patent Accessories

Patent Accessory

Impeller IE5 EC Motor Controller Rain Hood Damper Non-Return Valve
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Trusted by industry leaders across 50+ countries

Industry Insights

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Why EC Motors Are Replacing AC Motors in Modern HVAC Systems

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