SIT whisperTECH450 axial fan wall with an R290 heat pump outdoor unit

Photo: Mariusz Młynarczyk / CloudAir.tech

The green SIT wall presents "whisperTECH450 The Axial Fan for Heat Pumps", with a three-blade fan and a screen mounted above a dark R290 heat pump outdoor unit. To the right a tall green panel introduces Hybitat, with white Hybitat cabinets standing in front of it.