The Ducobox Energy Comfort D400 is a heat recovery mechanical ventilation device.

- Size: width x height x depth (mm): 756 x 800 x 584 mm
- Cover coated steel sheet + EPP
- Color: white + black
- connections internal diameter: ^ 180 mm
- condensation drainage ^ 32 mm (1 ¼ ") (2x)
- heat exchanger v1: pp - v2: pet/alu
- Inner material is EPP / PP / ABS
- Weight: 31 kg
- Power cable length: 2 m (from top of the device)
- Installation: Wall mounting (basic equipment), optional flooring with support framework

- Maximum power at 50 PA: 118.1 W
- Power: 230 V, 50 Hz 3-to
- Motor type: dc
- IP class: IP40
- Energy conversion: Efficiency 87.9 % (EN 13141-7)
-Care and extraction capacity at 150 PA: 400 m3/h, supply and extraction capacity at 200 PA: 400 m3/h