Sonniger Heater unit heaters mounted on an orange-framed wall

Photo: Mariusz Młynarczyk / CloudAir.tech

Three grey Sonniger Heater units with adjustable louvres are mounted on a wall printed with city towers and the "SONNIGER | Heater" logo. An orange panel notes "Heater EC fans available", and a tall Sonniger Guard Pro air curtain stands at the left.