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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

Sound Absorption
The loss of sound energy when sound waves come into contact with an absorbent material such as ceilings, walls, floors and other objects...more
Part L2A
Conservation of fuel and power in new builds other than dwellings

Andover - DECs - 0239 366 0106
The office that covers this area is: Portsmouth
Phone Number: 0239 366 0106 Email: andover@e2consultants.co.uk
Our other services include:
DECs can also be known as:
DEC, Display Energy Certificate,


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