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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

Reverberation Time
The reverberation time of a room is defined as the time it takes for sound to decay by 60 dB after an abrupt termination...more
Part L1A
Conservation of fuel and power IN NEW DWELLINGS

Our other services include:
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Air Flow Rate Testing can also be known as:
Part F Fan Testing, Part F Ventilation Testing, Duct Testing, Part F Testing, Part F Ventilation Certificate, Ventilation Testing Equipment, Ventilation Commissioning Certificate,
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