"Wayne Whitney" wrote in message
I agree with you that the economics of electric tankless are suspect.
But when I installed a gas tankless, there was no need to increase the
gas service size. Even if there were, I was under the impression the
utility would have done it for me at no cost (unlike with the electric
service).

The utility will usually replace from the street to the meter. From the
meter to the appliance is on you.