Petru Dumitriu
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solar energy radiation

On a sunny day, cold air inside pop can DIY Solar Panels is rapidly heated and sent back to the room. Regardless of outside temperature, solar thermal heating.

Passive Solar Design

SOURCE:Unknown ITEM: Passive Solar Design APPLICATION: The orientation should be done in a way that sun light is used more than artificial light in order to stay connected with nature as well. WHY THIS PIN: Shows sun movement for summer and winter.