Choosing the right residential water heater for your home can significantly affect energy efficiency. Here are some things to consider when deciding which will work best for you. Size The water heater size should be based on your household’s peak hour demand, which is how much hot water you use in a particular hour. The size of the residential water heaters San Francisco CA, needed for your home depends on several factors, including the number of people in the household and how much hot water you use. Generally, larger families should choose a tank with a higher capacity than smaller ones. A family of four uses between 200 and 400 gallons of…