105 Silence rhymes with comfort The Quintessence of heat pump has been designed to reduce its acoustic level and meet the expectations of today's society. In standard sound mode, the unit produces a sound pressure of 38 dBA at 3 metres, so somewhere between birds chirping and the inside of a library. The unit also offers greater flexibility by having a low sound mode that reduces the sound pressure at 3 metres to 35 dBA, representing a real reduction of half the sound level! The acoustic level can be evaluated in two ways J The sound power is generated by the unit itself, independently of distance and environment J The sound pressure is the sound perceived at a certain distance. The sound pressure is usually calculated at between 1 and 5 metres from the unit. Sound power* Sound pressure Listen to the silence of our outdoor unit * Erp sound power: Daikin Altherma 3 H MT = 53 dBA Daikin Altherma 3 H HT = 54 dBA Sound pressure scale 20 dBA 30 dBA 36 dBA 60 dBA 50 dBA 100 dBA 140 dBA 35 dBA 38 dBA Daikin Altherma 3 H HT Low sound mode Daikin Altherma 3 H HT Standard sound mode falling leaves whisper library rain talking trumpet fireworks
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