Solar hot water heating system located on
top of a 24-unit residential apartment building tied into regular
hot water heater. The goal is to produce enough hot water to reduce
gas use by 800 therms a year.
| • |
8 roof-mounted 4' x10' solar
panels |
|
• |
1 flat-plate heat exchanger |
|
• |
2 120-gallon storage tanks |
|
• |
2 pumps (one for the water in the tanks
and one for the glycol in the solar panels) |
|
• |
Controller that turns the system on if there
is a 15-degree difference between the water temperature and
the glycol in the solar panels |
