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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 Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...more
Part L1B
Conservation of fuel and power in Existing Dwellings

Zeals - Domestic Code Air Infiltration Survey - 0239 366 0106
The office that covers this area is: Portsmouth
Phone Number: 0239 366 0106 Email: zeals@e2consultants.co.uk
Our other services include:
Domestic Code Air Infiltration Survey can also be known as:
Building Thermal Imaging Survey, Domestic Thermography, Thermal Imaging Survey, Domestic Energy Audit, Energy Audit, Domestic Thermal Imaging Survey, Thermal, Domestic Thermal Imaging, Domestic Thermal, Heat Loss Survey, Domestic Thermal Imaging Inspection, Thermal Imaging, Domestic Heat Loss Survey, Domestic Building Thermal Imaging Survey, Thermography, Thermography Survey, Domestic Thermography Survey, Code Air Infiltration Survey,


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