Offices Nationwide
• Glasgow
• Newcastle
• Manchester
• Portsmouth
• Wakefield
• Sheffield
• Birmingham
• Wrexham
• Cardiff
• Peterborough
• Milton Keynes
• London
• Plymouth
• Anglesey
• Glasgow
• Newcastle
• Manchester
• Portsmouth
• Wakefield
• Sheffield
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
Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part L1A
Conservation of fuel and power IN NEW DWELLINGS
Domestic Code Air Infiltration Survey Quote in Writtle
Copyright 2024 E2 Specialist Consultants Limited
Company No. 06728970
Home » London
» East of England
» Essex
» Writtle » Domestic Services
»