Complete roof HVAC ventilation equipment pack fully modeled with 3ds Max.The set includes air handling units, exhaust fans, ventilation ducts, glass skylights and rooftop mechanical cabinets with full PBR metal plastic glass textures.All models have clean uniform topology, optimized low-poly mesh without broken surfaces or overlapping geometry.Suitable for architectural MEP rendering, commercial building rooftop scene, construction visualization, engineering animation and interior design presentation projects.Package contains original MAX source file, VR version, SL version, universal FBX, standard OBJ and BLEND format files.All format files have passed full import testing, support free secondary editing and all commercial project applications.