Laminated absorber member for flat plate solar collector and met
Laminated heating body
Lantern cooker
Lantern stove device attachment
Lantern system
Latent heat storage and supply system and method
Lateral lens arrangement for solar energy conversion devices
Layout for collecting solar energy applicable to acclimatizing a
Lightweight solar heater employing tubes and channels
Liquid heat pack
Liquid heating device
Liquid operated solar energy collector
Low cost solar panel
Low-loss solar heat collectors