The RTC roof fan box is rooftop‑mounted ventilation equipment with integrated cabinet structure. It can be directly installed on building roofs without reserving indoor machine room space.
It is available with AC motor or EC permanent‑magnet direct‑drive fan module. The impeller is processed with precise dynamic balance calibration for stable operation.
The cabinet is made of galvanized steel or stainless steel, featuring rain‑proof, UV‑resistant and excellent outdoor weather resistance.
Equipped with built‑in hood, bird screen and check valve to prevent backflow of rainwater, insects and debris.
It supports fixed‑frequency / stepless speed regulation and can be connected to automatic control systems to meet indoor exhaust and air supply requirements.
Easy to disassemble and maintain for rooftop installation. Widely used for ventilation and air exchange in factories, buildings and workshops. Applicable for new installation projects as well as energy‑saving retrofit of existing roof fans.


























































































