Rooftop HAVC System Duct Set

HO Scale Rooftop HVAC System Kit – 36-Piece Resin Miniature Air Conditioning Set for Model Railroad, Dioramas & Industrial Scenery

Cool down your miniature city with this detailed HO scale rooftop HVAC system! ❄️🔥 Perfect for factories, warehouses, high-rises, or any urban diorama, this 36-piece set gives you the freedom to design your own layout with vents, ducts, fans, and more.

All parts are made from durable, high-quality resin and come primed in grey, ready to be painted and customized to fit your scene. Whether you’re building a gritty industrial zone or adding realism to your train layout, this HVAC kit delivers plenty of detail in miniature form.

🛠️ Set Includes:
• 36 resin components – including ducts, fans, vents, piping, and more
• Fully modular layout – arrange them however you like
• Pre-primed in grey for easy painting
• Fits HO Scale (1:87) – also compatible with OO Scale (1:72)

🏗️ Great for:
• Model railroad rooftop details
• Urban or industrial dioramas
• Wargaming scenery
• Sci-fi or modern terrain builds

📏 Figures, scenery, and background props are not included.
🎨 Paint, glue, and hobby tools not included.

🚫 Not a toy – intended for model building. Not suitable for children under 14. Minor imperfections may occur due to the production process.

💌 Have questions or want something custom? We’d love to hear from you!