Want to buy an electric water heater installed in real, with two people, but not with a few liters, so hold 40 liters is enough, and some words to 60 liters to enough, not a few liters, actually hold 40 liters warm day must have enough friends, but is afraid of the winter line array when not used.
40 liters on it, buy regular round, insulation effect better. Normal water consumption per person 50 liters or so, there are 40 liters of constant heat, CSFH040, 1 thousand yuan or so, the same 40 liters heavier than other brands, larger size, indicating that the insulation is more thick, thicker steel plate.
[(65-42) *60*0.85/ (42-15) +60*0.85]/4.2 = 22.5 minutesIn 60% of the time in hot water, the average person's bath time is about 20 minutes.If the bath habits of two people are relatively long, and the amount of hot water is relatively large, it is recommended to choose 80 liters or more capacity of the water storage electric water heater.
It depends on the bathing habits of two people. Give an example：60 liters of water heater, hot water use efficiency is 85%, tap water temperature of 15 degrees, set the heating temperature of 65 degrees, a temperature of 42 degrees, according to the traffic flow spray bath 4.2L/min, the length of time you can use hot water is continuous:
