S
Snit
Greg said:You are nit picking now!
With electric 100% goes to heat the water, with gas about 80% goes to heat
the water, and 20% of the heat goes out the chimney. both have heat loss
from the tank to the room. With a natural vent gas water heater you may have
a bit more loss from air constantly traveling up the chimney. Natural gas,
if available is generally cheaper than electric most everywhere, unless you
have off peak rates available.
Greg
He's right. All wires, relay contacts, circuit breakers or terminals
have resistances. Resistances imply heat generation. P=I^2*R