Leonardo ceiling 5,5 and idro

High-performance radiant ceiling system, ideal for home heating and cooling - Winner Klimahouse Trend Award 2013!
  • WSP Lab-certified performances
  • Abductions submitted in the panel
  • Fittings without O-Ring

The Leonardo system 5,5 and idro



Energy saving and high performance

The versatile Leonardo ceiling system can be used for a wide range of applications. The system is composed of modular plasterboard panels with pre-inserted, zigzagging MidiX Plus tubing. The zigzag design maximises the heat-exchange surface between the tubing and plasterboard.

The plasterboard panel is supplied bonded to an insulating sheet of expanded polystyrene sintered with graphite equal to 0.030 W/m*K the 5.5 cm spacing version and 5.5 cm spacing idro version.


 1. EPS sintered with graphite plate
 2. Plasterboard plate complete with MidiX Plus pipe
3. Pipe guidelines


  Sistema radiante a soffitto Leonardo sezione 15 mm cartongesso e 32 mm di isolante in EPS con grafite
  Leonardo ceiling system
Insulating EPS + graphite sheet
MidiX Plus tubing at 5.5 cm spacing


  Sistema radiante a soffitto Leonardo sezione 15 mm cartongesso idro e 32 mm di isolante in EPS con grafite Impianto radiante a soffitto Leonardo 5,5 idro ideale per i locali umidi e bagni
  Leonardo ceiling system
Insulating EPS + graphite sheet
Plasterboard plate idro version
MidiX Plus tubing at 5.5 cm spacing





WSPLab-certified system

Heating and cooling output certified in accordance with EN 14037-5 - EN 14240

Maximum connection tightness over time

sistema di collegamento rinforzato senza O-ring

The use of special O-ring-free connections with the 10x1.3 mm tubing ensures maximum tightness over time and reduces load losses.


 1. Fitting with reinforced rings
 2. Capped terminal with reinforced rings


 MidiX 10x1.3mm
10x1.3 mm MidiX Plus tubing
In contrast to the 8x1.1 mm tubing used in traditional radiant ceiling systems, the tubing used in the new Leonardo system has a diameter of 10x1.3 mm. With a diameter increase of 25%, the Leonardo system performs significantly better.
Flexible design and installation
The extreme versatility of the Leonardo system is evident both in its design and installation. The panel has been designed with integrated tubing having two autonomous circuits. This means the plasterboard sheet can be cut into two mirror-equal parts, each with its own tubing system.

Low thermal inertia

The diameter and thickness of the tubing (MidiX 10x1.3 mm), the plasterboard-integrated tubing (resulting in an 8% increase in output compared to insulation-integrated tubing) and the special undulating pattern make the Leonardo a high-output ceiling system with a very low thermal inertia.

After 20 minutes of operation in cooling mode

Klimahouse Trend 2013

Life long warranty
Assicurazione ITAS a vita su tutti i prodotti Eurotherm

Eurotherm radiant systems are now more secure than ever with our life long warranty. Eurotherm has extended its warranty for original defects or faults to the lifetime of the radiant system on all products in the range.
  • Insurance without time limit on all Eurotherm products for fabric, manufacturing, assembly and/or design defects, regarding unintentional damages caused to third parties.
  • Third-party liability for all installation and maintenance works carried out by Eurotherm specialist staff.

Success stories

Complete packages recommended for this system
Now that you‘ve found a solution, you can choose the complete component and accessory package that best suits your needs from the options below.
Package Description
Leonardo ceiling 5,5 + hot/cold/air Leonardo ceiling 5,5 heating/cooling system, Smartcomfort control, Command Mix and air treatment unit
Leonardo ceiling 5,5 + hot/climate control Leonardo ceiling 5,5 heating system, Smartcomfort, Elite black-line Command Duo with high temperature unit
Complete system components
1 - You have chosen the "Leonardo ceiling 5,5 and idro"
If you still haven‘t find the right solution for you here,
build your own package

2 - Distribution
  • Collettore SL 1"
    Elite black-line manifold
    SF | S Series manifold

3 - Regulation
  • Command Mix
    Elite black-line Command Duo
    SF Series Command Duo
  • Vertical set-point
    Nuova Compamat
    Mini compamat

4 - Air treatment
  • Ecoclima DC
    DC dehumidifying air conditioner
    D dehumidifier
    Built-in dehumidifying air conditioner
  • Built-in dehumidifier