Acoustics or how to generate ultra-silent output Year after year, we have sought to design the perfect heat pump. Intended both for renovation and new-build projects. Acoustic discretion is key to achieving such ambitions since an ideal heat pump is one that appears invisible. With Atlantic, you are in good hands as our heat pumps are some of the most whisper-quiet! Acoustic power and pressure • Acoustic power represents the sound emitted by a source, irrespective of its environment. It reflects the raw power of sound, as measured in a laboratory. • Acoustic pressure refers to sound detected by the human ear based on the environment and the distance from which the sound is measured. Useful tip Doubling the distance from the sound source serves to reduce acoustic pressure by 6 dB(A). By way of example, an appliance producing noise of 54 dB(A) at a 2-metre distance will see its level drop to 48 dB(A) by moving 4 metres away from the source, and so on. Noise standards A resting place, or protected/conservation areas can produce up to -/+5 dB(A): • 40 to 45 dB(A) during the day • 32 dB(A) at night Rural/suburban residential areas, with limited traffic can generate up to -/+5 dB(A): • 45 to 50 dB(A) during the day • 37 dB(A) at night MODEL NOISE PRESSURE AT 5m* from Ixtra M 30 dB(A) Alfea Monobloc 30 dB(A) Alfea Extensa A.I. Duo 32 dB(A) LORIA 32 dB(A) Alfea Extensa A.I. 35 dB(A) Alfea Excellia HP 45 dB(A) *1.5 m from the ground, free field, directivity index of 2. ACOUSTIC PRESSURE BY HEAT PUMP MODEL Ultra-silent feature: Acoustic pressure of an 8 kW Alfea Excellia M heat pump: Our whisper-quiet heat pumps Quiet conversation Refrigerator 3 m 38 dB(A) 5 m 34 dB(A) 7 m 31 dB(A) Spotlight on the LAC The LAC – our very own Acoustic and Climate Control Laboratory – is located near Lyon, France. This facility enables us to significantly improve acoustics for all of our domestic products (ventilation, boilers, heat pump water heaters, etc.) as well as conducting thermal tests on heat pumps to boost their performance. Climate Control and Acoustic Laboratory 17 Heat pumps
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