Technical specificationsX
Volume flow 9) 15 - 38 m³/h
Max. degree of heat provision b) 85 %
Heat supply level according to EN 13141-8 c) 75 %
Max. standard sound level difference Dn,e,w 3) 54 dB
Sound power level LW 3) from 28 dB(A)
Power consumption 3) 9) 0.6 - 3.9 W
Minimum installation length 200 mm
Dimensions Ø 154 x 168mm
Compatibility Energy efficiency class A


(1-9, a-g) For further information on the technical data specifications click here.

The e²short: With heat recovery

e² series

The e²short from the e² series is one of the smallest decentralised fans with heat recovery in home ventilation.

Special features

The e²short is the short version of the . Only a minimum wall thickness of 200 mm is required for installation. Please refer to the table below for the exact technical specifications.


The e²short can be used in the same way as the in new buildings and also in renovations. The difference here is the lower wall thickness required: installation is possible from a wall thickness of 200 mm.


The products of our e² series all have the option of summer ventilation.


The e² has received building authority approval from the DIBt.

Art.-no. 40003


Information on the technical data

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