95 Daikin Altherma 4 operates silently down to 28 dBA at 3 meters, so you can appreciate days and nights undisturbed by the sound of the working unit. Sound pressure scale 20 dBA 30 dBA 40 dBA 60 dBA 50 dBA 100 dBA 140 dBA 28 dBA Daikin Altherma 4H falling leaves whisper fridge rain talking trumpet fireworks Innovative louvered grill was specially designed to minimize sound power to the impressive level of 50 – 54 dBA, ensuring uninterrupted peace J Contemporary sleek design based on Daikin Altherma 3 award winning design J Black louvered grill minimizes the visibility of the fan (made of >50% recycled plastics from industrial waste) J Integrates seamlessly with the surrounding environment by reflecting the surroundings on its cover and side panels 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 * Erp sound power: J class 06-08 – 45 dBA J class 10 – 47 dBA J class 12-14 – 52 dBA
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