Sizing Your Home Solar Hot Water System

An important step in the set up of your home solar hot water system is determining the appropriate system for you. The number of people in your household will determine the number of collectors or evacuated heat tubes and the size of drainback tank you will need to supply enough hot water for your entire family. Take a look at this system sizing chart to determine what's right for you:

Number of Persons in Household	1-3	3-6	5-8
Collector	one 4'x10' flat-plate or one 30 tube array	two 4'x10' flat-plate or two 30 tube arrays	two 4'x10' flat-plate or two 30 tube arrays
Tank	80 gallon	80-120 gallon	120 gallon