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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

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
Part L1A
Conservation of fuel and power IN NEW DWELLINGS

Our other services include:
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Domestic Energy Audit can also be known as:
Domestic Thermal Imaging Survey, Building Thermal Imaging Survey, Thermography, Thermal Imaging Survey, Domestic Thermal Imaging Inspection, Domestic Thermal, Energy Audit, Domestic Building Thermal Imaging Survey, Thermal Imaging, Domestic Thermography, Thermal, Domestic Heat Loss Survey, Domestic Thermal Imaging, Domestic Code Air Infiltration Survey, Heat Loss Survey, Code Air Infiltration Survey, Thermography Survey, Domestic Thermography Survey,
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