Q. I would like to know if it is energy efficient to turn off an electric hot water heater when one is away from a house for a period of time. If it is energy efficient to turn the hot water heater ...

When notes stuck to the water heater failed [Ryan] decided to whip up “the world’s most expensive 240V relay” using a servo, a real time clock and of course an Arduino. All in an attempt to save a ...

There are only two of us in the house now so we are thinking about a timer for the hot water heater. We would like to have some info on a timer and it’s economical possibilities. Please explain the ...

Chauncey grew up on a farm in rural northern California. At 18 he ran away and saw the world with a backpack and a credit card, discovering that the true value of any point or mile is the experience ...