David and his assistant has done an excellent job on installing the Ethernet network for my house. David helped me to define the location for the network jets, he also explained to me the steps they took for the job, They completed the job within 4 hours, as he expected, they also did the cleaning before they left. The network works perfectly, I have not had any issues since the installation and the connection is very reliable, and I have seen the big difference between wired and WI-FI for Internet downloading speed. I have enjoyed very much using the wired network. I definitely will recommend Sound By Design to any people they need to install Ethernet network in their houses.