All Questions
3 questions
6
votes
3
answers
3k
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What techniques or solutions are available for reducing heat absorption by walls?
I live in tropical region. Have pretty hot summers (44 degree C).
The question is regarding houses built with brick and mortar (walls) and reinforced concrete flat roofs. In this forum I have come ...
10
votes
1
answer
196
views
Is building vertically instead of horizontally in climate with large seasonal temperature changes more sustainable?
My main line of thinking would be that you would build tall skinny housing that would allow the heat to gather in the upper levels in the winter and the cooler air would gather in the basement/lowest ...
7
votes
3
answers
658
views
Want to build a portable solar refrigerator
I've got a 5v Peltier chip. What kind of and how many solar cells 4.5v 18mA do I need per 1 chip? I found these cells online on dealextreme, but there are also other different types. I'm lacking a ...