€ACTIVE
SOLAR GAIN
€collect, store,
distribute
€-solar
hot water heating
€-auxiliary
heat sources
€-equipment to be incorporated
into design
€
€
€
€
€
€
€
€
€
€
€Photovoltaic
(PV)
€-materials generate direct
electrical current
when exposed to light
€-basic
collector is a photovoltaic
cell
€-ideal but battery storage is
not yet cost
effective
€