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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 Levels
Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...more
Part L1B
Conservation of fuel and power in Existing Dwellings

Welwyn Garden City - CSH - 020 3390 0301
The office that covers this area is: London
Phone Number: 020 3390 0301 Email: welwyn-garden-city@e2consultants.co.uk
Our other services include:
CSH can also be known as:
Sustainable Homes, Code for Sustainable Homes Daylight Calculation, C4SH, Code for Sustainable Homes, Code Assessment,


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