Existing Hot-Water Systems

Locate the existing hot water system and take notes on these topics
· Is it a tank or tankless? How many gallons? Efficiency?
· What is the fuel? Natural gas, electric, propane, heating oil?
· What are the space constraints? Area? Ceiling Height?

Existing sytem
· What is the location with respect to the roof where the collectors will be mounted?
· Are there chases or closets where the solar lines can be run to the attic?
· If not, are there exterior walls where lines might be run to the roof?
· Gather as much information as possible!