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Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more

Environmental Noise Levels
The max exposure time at 85 dBA is 8 hours, at 110 dBA it's just 1 min 29 seconds. If exposed, limit the time and wear hearing protection...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 Ventilation Certificate, Duct Testing, Ventilation Commissioning Certificate, Part F Ventilation Testing, Part F Fan Testing, Ventilation Testing Equipment, Part F Testing,
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