Offices Nationwide
How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...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
Offering practical advice on how to achieve a reasonable level of air tightness in dwellings.
Our other services include:
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none can also be known as:
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Copyright 2025 E2 Specialist Consultants Limited
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In Area O
in Oadby, in Oakamoor, in Oakham, in Oban, in Ockham, in Oddingley, in Okehampton, in Old Warden, in Old Windsor, in Oldbury, in Oldham, in Oldmeldrum, in Olney, in Omagh, in Once Brewed, in Ongar, in Orford, in Orkney, in Ormskirk, in Orpington, in Ossett, in Oswaldtwistle, in Oswestry, in Otley, in Otley, in Ottery St. Mary, in Oulton, in Oundle, in Outwood, in Overbury, in Oxford, in Oxted, in Oxton,