Channel letters provide a professional touch to any business or organization.Most new shopping centers and retail outlets require channel letters as they are the more modern form of signage.Most shopping centers require them to be mounted on raceways or wire chases as to not damage the new effuse type substrate used on new buildings. Most new or modern effuse type material is foam and is more susceptible to damage during installation, so make sure the installer carries the correct insurance before you sign a contract.
Primary lighting for these letters is LED or NEON. Pricing of neon vs LED has become more equal as LED technology has become more used and common. In years past It was mostly neon used for illumination.
Reverse or halo illuminated letters is what a lot more people a choosing for their channel letter needs. These letters offer a backwash of light to the mounting surface which creates a halo effect.