Rethink Your Life!
Finance, health, lifestyle, environment, philosophy
The Work of Art and The Art of Work
Kiko Denzer on Art
[Cob] cob and energy and codesHenry Raduazo raduazo at cox.net
Sun Sep 27 19:57:51 PDT 2009
... May God preserve us from rich people who want to do something for the environment... I just visited a place called "Eco-Village" in VA where they have huge houses one I would estimate to be 2-3000 square feet. It has energy star appliances, R-this walls and R-that ceiling and a geothermal climate control system that heats and cools the entire space using ground water. There are lots of south facing windows for passive solar, but the windows are low E glass so that there is no significant amount solar gain and considerable heat loss relative to the insulated walls. Putting this in perspective, the floor space of Linda Smiley's entire cob house can be fit into the combined area of the bathrooms of this "eco-house" and in fact her bathroom can be fit into the bathtub of the master bedroom. My opinion is that to make this an eco-friendly house you need 10 to 20 people living in it. On the other hand I know a lady who is living off the grid in an abandoned one car garage. This is an eco-frienly house regardless of the particular R-values of her walls and ceiling. The energy code is meaningless unless it measures the energy consumption per person in a particular living space and that depends on how you live. Try to bring a 2000 square foot cob house up to 75 degrees Fahrenheit in the cold months of winter and I do not think it will qualify as eco-friendly. We must dare to be small or at least dare to heat only the smallest possible living space. A house should be designed in such a way that even if you do not heat it, it will never freeze, and even if you do not air condition it, it will be livable. To do this you need passive heating and cooling, and one of the cheapest material to store passive energy is earth. Use it wisely and it will serve you well. We always say "try to be generally right instead of precisely wrong." I think huge climate controlled houses designed for two or three people are precisely wrong regardless of the energy codes. In fact even having an energy code is perhaps precisely the wrong approach because it encourages green washing gigantic houses and discourages small comfort zones within a house. My ideal would be one where I can: Heat the bathroom 20 minutes a week for two showers. Heat a living/dining room only when I am there to enjoy it. Heat the entire house never! Forget the codes, ed On Sep 26, 2009, at 10:47 PM, Tys Sniffen wrote: > It was pointed out earlier that cob is a long shot due to the > natural, i.e., > not store-bought material nature of cob for codes. Then it was > pointed out > that this discussion was about *energy* codes, not building codes. > Energy, > meaning heating and cooling. > > Interesting that they are two different things. I might want to > argue that > by using natural, local material and doing it oneself saves oodles > of energy > that other, perhaps higher R value homes don't even consider. Just a > thought. > > Tys > > _______________________________________________ > Coblist mailing list > Coblist at deatech.com > http://www.deatech.com/mailman/listinfo/coblist
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