?? Flat plate collectors,
?? Evacuated tube collectors,
?? Stationary non-imaging concentrating collectors,
?? Dish type-concentrating collectors,
?? Linear focusing concentrators,
?? Solar ponds,
?? Photovoltaic and
?? Thermoelectric systems.
The cooling technologies are:
. Continuous absorption,
?? Intermittent absorption,
?? Solid/gas absorption
. Diffusion,
?? Adsorption and
. Desiccant systems.