Environmental Engineering Reference
In-Depth Information
Pump
Hot-water
System
Roof Panel
Pump
Storage Tank
Solar hot water. The system circulates water between
a storage tank and a roof panel heated by the Sun. A heat exchanger
in the storage tank produces hot water for the residence.
fig. 13.3
energy contributor to energy and greenhouse gas reduc-
tion is the solar hot water and heat system and
“
it don
'
t
get no respect,
”
though worldwide it represents the
equivalent of
gigawatts of power.
is a sketch of the basic heat and hot water
system. Water is pumped to rooftop panels where it is
heated by the Sun and returns hot, heating
Figure
.
fluid in a large
storage tank (these systems work in cold climates too,
but have to have well-insulated pipes and antifreeze in
the
fluid). Domestic water is pumped through a heat
exchange coil inside the tank, picks up heat from the hot
