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Solar Heated and Cooled Greenhouses


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How It's Made - Solar Panels


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Zero Energy Home (Arizona, USA)


  

 

 

 

Glossary

Terms for Green Architecture, Building & Energy


This glossary includes more than 300 solar terms, as well as hundreds of additional sustainable design and construction terms.

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Fill Factor

Definition: The ratio of a photovoltaic cell's actual power to its power if both current and voltage were at their maxima. A key characteristic in evaluating cell performance.