Below you can see a direct comparison of the products you have selected. Differences between the products are highlighted in blue.
Decentralised or small centralised high-efficiency ventilation unit with heat recovery, EC fans and enthalpy cross-counterflow heat exchanger. DN 100 outgoing and outside air connections on side. 2* DN 75 each for exhaust and supply air. Incl. RLS G1 WS high-quality room air control system made of glass, temperature and humidity monitoring, 2 x ISO Coarse 80 % (G4) filters, volumetric flow range from 20 to 70 m³/h, design: Flush-mounted or surface-mounted ceiling installation or interior wall, see necessary accessories.
Decentralised, highly efficienct ventilation unit with heat recovery, EC fans and enthalpy cross-counterflow heat exchanger. DN 90 outgoing and outside air connections on the rear side of the unit. 2* DN 75 each for exhaust and supply air. Incl. RLS G1 WS high-quality room air control system made of glass, temperature and humidity monitoring, 2 x ISO Coarse 80 % (G4) filters, volumetric flow range from 20 to 70 m³/h, design: Flush-mounted or surface-mounted wall installation, see necessary accessories.
* Blue markings show the differences between the products.
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