I m guessing that setting your top thermostat to a 150 would give you small amount of really hot water rather quickly while setting the upper and lower thermostats evenly to a moderate temperature 115 125 would be your quickest way to get a full tank of hot water.
Electric hot water heater temperature settings.
Although manufacturer s usually set water heaters at 140 degrees f you can reduce your carbon footprint and save money by adjusting your water heater thermostat.
With each 10ºf reduction in water temperature you can save between 3 5 in energy costs so now is a good time to check the temperature on your electric water heater.
Other temperature settings hot and very hot each stands for 120 degrees and 160 degrees.
Your home s water heater is one of the most important components of your plumbing.
Again if you want a safe setting you should choose a setting which has temperature at 120 degrees.
Factors that affect hot water temperature setting.
Homeowners with a dishwasher that does not pre heat the water may want to set their water heater to 140 degrees.
As been described before you need to choose the right.
Keep in mind that the thermostat is factory preset to a recommended temperature and changing the setting may increase the potential for serious burns.
Having said that if you don t live with anyone who fits into the categories above 120 degrees fahrenheit is probably the best temperature setting for your hot water heater.
Which means the choice is hot setting.
These factors are not affected by the kind of plumbing you have pex pvc or copper how the water is heated gas or electric or even if you a tankless hot water heater.
Water heaters are set from the factory to heat water to a maximum of 120 degrees fahrenheit.
Hot water heater settings are easy to adjust although electric heaters will require a screwdriver and possibly a small wrench or socket.
Setting the water to a higher temperature increases the risk of scalding.
With proper maintenance and care your water heater will last for years.
Department of energy for each 10 degree reduction in water temperature you can save between 3 and 5 percent in energy costs.