How was I swindled by buying tankless heaters?

From:Richard J Kinch


Phil Sherrod writes:

But before shutting it down, I decided to take some measurements and
calculate how much it costs to run an idle water heater.

Well done. I have performed similar experiments with similar results.
Idling losses are small. The tankless advocates are swindlers, but
most people don't have the critical faculties to understand the
swindle.