Offices Nationwide

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

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
Our other services include:
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DEC can also be known as:
Display Energy Certificate,
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Company No. 06728970
In County W
Display Energy Certificate in Warwickshire, Display Energy Certificate in West Lothian, Display Energy Certificate in West Midlands, Display Energy Certificate in West Sussex, Display Energy Certificate in West Yorkshire, Display Energy Certificate in Wiltshire, Display Energy Certificate in Worcestershire, Display Energy Certificate in Wrexham County,