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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 L2A
Conservation of fuel and power in new buildings other than dwellings.

Porthmadog - Energy Audit - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: porthmadog@e2consultants.co.uk
Our other services include:
Energy Audit can also be known as:
Commercial Thermography, Heat Loss Survey, Commercial Thermal Imaging Inspection, Thermography Survey, Code Air Infiltration Survey, Commercial Energy Audit, Thermal, Thermal Imaging Survey, Commercial Thermal Imaging Survey, Commercial Thermal, Thermography, Building Thermal Imaging Survey, Commercial Building Thermal Imaging Survey, Commercial Code Air Infiltration Survey, Commercial Thermography Survey, Commercial Thermal Imaging, Commercial Heat Loss Survey, Thermal Imaging,


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