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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
Examples and specifications for full refurbishment and works on individual elements.
Hertfordshire - Display Energy Certificates - 020 3390 0301
The office that covers this area is: London
The towns & cities that are covered within this county are:
Abbots Langley, Baldock, Barnet, Berkhamsted, Bishop's Stortford, Borehamwood, Broxbourne, Buntingford, Bushey, Cheshunt, Chorleywood, Harpenden, Hatfield, Hemel Hempstead, Hertford, Hitchin, Hoddesdon, King's Langley, Knebworth, Letchworth, Much Hadham, Potters Bar, Radlett, Redbourn, Rickmansworth, Royston, Sawbridgeworth, St. Albans, Stevenage, Tring, Waltham Cross, Ware, Watford, Welwyn Garden City, Welwyn,
Phone Number: 020 3390 0301 Email: hertfordshire@e2consultants.co.uk
Our other services include:
Display Energy Certificates can also be known as:
DEC, Display Energy Certificate,
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Company No. 06728970