Covid 19 Hospital Transmission

It is concerning to see hospitals overloaded and possibly contributing to the spread. Isolation Rooms are safe but when these run out and general rooms are used...
Could it be possible that Covid 19 breed in cooling towers like Legionaries. Legionaries has very similar symptoms.
Very interesting video on youtube for 40 mins about the Spanish Flu. Once bitten twice shy - a few years ago I visited a friend who nearly died from Influenza and I got it too (from that one Hospital visit), then five people close to me got it. It was terrible.