Offices Nationwide
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
Sound Insulation
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
Part E
Resistance of the Passage of Sound
Swansea County - Display Energy Certificates - 029 2193 0147
The office that covers this area is: Cardiff
The towns & cities that are covered within this county are:
Mumbles, Pontarddulais,
Phone Number: 029 2193 0147 Email: swansea-county@e2consultants.co.uk
Our other services include:
Display Energy Certificates can also be known as:
Display Energy Certificate, DEC,
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Company No. 06728970
