Energy-saving lighting
Passive solar building system
Passive solar building system is increasingly becoming an independent style of architecture , which is formally in the tradition of…
6 years ago
Passive solar building design
In passive solar building design, windows, walls, and floors are made to collect, store, reflect, and distribute solar energy in…
6 years ago
Solar lamp
A solar lamp, is a lighting system composed of an LED lamp, solar panels, battery, charge controller and there may…
6 years ago