Former Republican President Ronald Reagan is widely recognized as one of America's best presidents for economic expansion. But his party's overall economic track record isn't nearly as sterling. Michael Evans/The White House/Getty Images.
Superheated water is liquid water under pressure at temperatures between the usual boiling point, 100 Â°C (212 Â°F) and the critical temperature, 374 Â°C (705 Â°F). It is also known as subcritical water or pressurized hot water..
So keep your hot water temperature lower and youâll save more energy. The default setting on most water heaters is 60C or 140F, but the best hot water temperature is 49C or 120F â this will save you about 25% of your hot water heating costs.he default setting on most water heaters is 60C or 140F, but the best hot water temperature is 49C or 120F â this will save you about 25% of your hot water heating costs.