There cannot be any wholehouse dvr's.
You may not have eneough coaxial signal levels to allow for more splitter loss.
You must use a POE filter between the outside line and first splitter to keep Moca in your house.
Copy and paste the modems signal level page
You also don't need any cable tv signals on moca adapters, they work on just a chunk of cable as a ethernet to coax and back transcoder