We manufacture high-efficiency AC and EC HVAC fans under our own brand Insofan. As your OEM/ODM partner and one-stop sourcing center, we deliver reliable, streamlined solutions.
From smart EC plug fans to single inlet and double inlet — all built with precision, certified for performance to fit your application perfectly.
Operating in high-efficiency zone at 50/60Hz without VFD.
High-efficiency motor as standard across all product lines.
Ensuring quality, safety, and reliability certified by third-party authorities.
We're not a giant corporation. We're a focused team with nearly 20 years of expertise — small orders are never ignored, decisions are made fast, and we grow with you.
75% market share of high-efficiency fans in China — trusted by the industry.
Fast response within 2 hours and technical support within 24 hours.
Well-established SOP ensures predictable, smooth communication, documentation, and shipping.
About Us
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.
From smart EC plug fans to single inlet and double inlet — precision-built, performance-certified.
Variable width design, high efficiency, low noise with airfoil or plate blade options.
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High-efficiency fans for outdoor units with continuous operation and weatherproof design.
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High-quality impellers, IE5 EC motors, controllers, rain hoods, dampers, and non-return valves.
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Discover how EC motor technology delivers 30% energy savings and why global HVAC manufacturers are making the switch.
Learn the critical parameters, common pitfalls, and professional methods for selecting the right fan for your application.
From quality certifications to supply chain reliability — a practical checklist for international buyers evaluating OEM partners.