Climate and Sunlight: How Location Affects Solar Water Heating
The same solar water heater performs very differently in a sunny mild climate and a cold, cloudy one. Here is how climate shapes the right system.
System Selection
The right system depends on how much hot water you use, your climate, your roof or site and your backup heating. This section covers household demand, climate, site suitability and backup heating.
Sizing a Solar Water Heater for Your Household’s Hot Water Demand
System size follows hot water use, not house size. Here is how to estimate demand and how the DOE guide links it to collector and tank size.
Is Your Roof or Yard Suitable for a Solar Water Heater?
Before comparing systems, check whether your property can host one. Here is how orientation, shade, roof condition and structure decide it.
How to Choose a Solar Water Heating System for Your Home
The right solar water heater depends on your hot water use, climate, roof and backup heating. Here is how to weigh each factor.
Backup Water Heating for Solar Systems: Options and Settings
Almost every solar water heater has a backup for cloudy days and heavy use. Here is how the backup is arranged and how its settings matter.