How much noise should my ventilation box make?
What is sound?
What causes noise in a ventilation system?
A ventilation system transfers air. This is accompanied by vibrations in the air and therefore naturally by noise. A mechanical ventilation system is equipped with a motor that also makes noise during ventilation. Noise can occur between rooms via the air ducts, also called crosstalk. Crosstalk occurs because air ducts of a ventilation system acoustically connect different rooms. This is reduced by placing special inno sound silencers behind the ventilation valve.
The connection of-or maintenance on-the ventilation system also has a contribution to the noise level. Resistance in your ventilation system creates sound. This is the amount of effort a system has to put in to get the air through the ducts. If your ventilation system has a lot of bends or air ducts, this will cause more resistance and therefore produce more sound. This is also the case when there is dirt in the ducts or motor, this creates resistance and therefore sound.
How much noise does a ventilation system make?
The answer to this question, is not easy to express in decibels. Noise in your ventilation system has several possible causes. The noise level also differs per ventilation box and the setting on which the ventilation is placed. There are ventilation systems with 2 or 3 settings. With a ventilation system with 3 settings, you use the lowest setting when you are not at home, setting 2 when you are at home and setting 3 when you are cooking, showering, or having visitors. With 2 settings you use the first setting when you are at home or away and the second setting when you are cooking, showering, or having visitors.
The lowest setting of a mechanical ventilator has a sound level of about 40 dB, which is whisper quiet. The noise level can rise to 60dB in the highest setting, which is comparable to an air conditioner or conversation. Does your ventilation system make a lot of noise in the lowest setting? Then there may be something wrong. Find out how to reduce the noise in your mechanical ventilation system.
Silent ventilation
There is no such thing as a silent ventilation system, but these days most ventilation units are much more silent. Do you still have an old system in your home? Then you can benefit by replacing it with a newer model. As an added advantage, the new ventilation unit will also be more energy efficient, saving you money.
Do not just look for the quietest model, but also pay attention to proper placement, installation, and ductwork. These factors all contribute to the noise level of your mechanical ventilation system. Also, do not forget to clean and maintain your ventilation system regularly, as dirt can be a major culprit for noise pollution. Learn how to maintain your mechanical ventilation system here.
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