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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more
Part L1B
Conservation of fuel and power in Existing Dwellings

Haverhill - Ventilation Testing Equipment - 01733 600 149
The office that covers this area is: Peterborough
Phone Number: 01733 600 149 Email: haverhill@e2consultants.co.uk
Our other services include:
Ventilation Testing Equipment can also be known as:
Part F Testing, Duct Testing, Part F Ventilation Testing, Part F Ventilation Certificate, Ventilation Commissioning Certificate, Part F Fan Testing, Air Flow Rate Testing,


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