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Questions tagged [building]

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2
votes
0answers
29 views

Using glass bottles in walls of buildings [duplicate]

I have seen pictures of homes and buildings in dry climates were they have used glass bottles in the walls with what looks like either concrete or mud. Is this just for aesthetics? Do they provide ...
5
votes
2answers
296 views

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 ...
19
votes
19answers
57k views

Prevent concrete roof from absorbing too much heat during summer

I live in India where most of the building roofs are made of concrete. In summer during night, the roof emits too much of heat that were absorbed during day time. I was aware of the options like ...
5
votes
4answers
437 views

What are some ways to affordably furnish a temporary apartment?

I will be living in an unfurnished apartment for my final year of college. I'm a pretty handy guy with access to power tools and experience with designing my own basic (cheap) furniture. However, I'd ...
9
votes
1answer
135 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 ...
9
votes
4answers
159 views

Retrofitting insulation in a 4-storey home. Top down or bottom up?

I'm faced with the prospect of wanting to improve the insulation of a 4-storey Victorian (c1890) house in the UK that has solid stone walls and a top floor that is within the non-insulated roof space. ...
6
votes
2answers
913 views

How to save heating energy with roommates?

I live with roommates, and am only a renter not owner. I'm looking for ways to help with energy conservation despite this. We have one roommate who is wasteful about leaving lights on and, in ...
6
votes
1answer
197 views

Should payback periods take the time value of money into account?

I am currently reviewing a paper estimating the payback period for different building renovation strategies. The calculations I see typically go something like this: you pay (say) USD 3000 today, ...
7
votes
3answers
589 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 ...
7
votes
1answer
500 views

Is there a sustainable binding agent for 3D printing with wood pulp?

Recently someone developed some filament for 3d printers that contains about 40% wood pulp and 60% plastic. Could it be possible to print with wood pulp without the plastic mixed in? (Either without ...
62
votes
10answers
11k views

What is an energy efficient way to get fresh air indoors during winter?

Letting some fresh air inside is always a good idea, but during the winter it seems a bit wasteful to fling open the window and let the fresh air in at the expense of all that hot air going out, and ...