Air Conditioning Trunking Sizes Compared – 60x60 to 120x60 mm
Air conditioning trunking sizes compared: Which variant suits your installation?
CILSON offers PVC line-routing trunking in five different sizes – from the compact 60x60 mm variant to the large-volume 120x60 mm trunking. This overview shows the key differences at a glance, so you can quickly find the right size for your split air conditioning system.
Direct size comparison
| Model | Internal dimensions | Internal cross-section (approx.) | Ideal for |
|---|---|---|---|
| AC trunking 60x60 | 60 x 60 mm | 36 cm² | 1–2 lines, compact units |
| AC trunking 80x60 | 80 x 60 mm | 48 cm² | 2 lines plus cable/hose |
| AC trunking 100x40 | 100 x 40 mm | 40 cm² | Flat wall areas, several slim lines |
| AC trunking 100x60 | 100 x 60 mm | 60 cm² | Multi-split, longer runs |
| AC trunking 120x60 | 120 x 60 mm | 72 cm² | Commercial systems, many lines |
Advantages and disadvantages at a glance
60x60 mm & 80x60 mm – compact and discreet
Advantages: unobtrusive, inexpensive, quick to install. Disadvantages: little reserve for future extensions.
100x40 mm – the low-profile solution
Advantages: shallow installation depth, ideal for recesses. Disadvantages: less suitable for very thick individual lines.
100x60 mm & 120x60 mm – maximum capacity
Advantages: plenty of space, well suited to multiple lines and extensions. Disadvantages: slightly more visible on the facade.
Areas of use at a glance
- Apartments and single rooms: 60x60 mm or 80x60 mm
- Window reveals and shallow recesses: 100x40 mm
- Larger living areas and multi-split: 100x60 mm
- Commercial and complex systems: 120x60 mm
Product recommendation
All five sizes are available from CILSON in white (RAL 9010), made of UV-resistant PVC, and can be installed using the same mounting principle.
Summary
The more lines you route and the longer the run, the larger the AC trunking you choose should be. If in doubt, go for the next size up to avoid problems later on.