Sleepyberries

Hi , may I check with you did your ID advise you abt the city gas heater for rain shower ? I went to a few contractors , they advise me to install electric water storage instead saying that city gas does not give the pressure and also the piping will be seen and expose in the toilet which will be ugly. Initially I am thinking abt using city gas but was confuse after being told abt the negative. Also wild it be ok to install 2 rain shower ? One in MBR and the other in common. May I know which floor u staying ? Hear that will effect the pressure level too . Thanks