The perfect temperature to set a water heater. If you're looking for a short answer, it's 120 degrees Fahrenheit (about 49 ...

Using smart technology similar to a Nest thermostat ... can even sync with solar panels and optimize for using clean energy when it's most abundant. "Other heat pump water heaters leave both ...

Without a heater, mother nature is your thermostat—and even a long ... and give you precise control over the water temperature compared to solar heaters. Electricity is also usually more ...