[Greenbuilding] Energy Star Clothes Dryers Program Launch

[David Bergman]

I think Jevon's Paradox gets overquoted and 
overestimated as an anti-efficiency tactic. While 
there's no doubt it exists to a degree, I believe 
most studies have shown that the increases in 
usage are not larger than the gains in efficiency.

I know I've read several such articles recently, 
but can't put my finger on them. Anyone recall?

And I think a major exception cited is 
televisions, where they've become more 
energy-efficient but they've also gotten much 
larger. But you can argue that there are two 
separate factors at work there. Similarly for refrigerators.

David
David Bergman  RA   LEED AP
DAVID BERGMAN ARCHITECT / FIRE & WATER LIGHTING + FURNITURE
architecture . interiors . ecodesign . lighting . furniture
bergman at cyberg.com    www.cyberg.com
241 Eldridge Street #3R, New York, NY 10002
t 212 475 3106    f 212 677 7291

author - Sustainable Design: A Critical Guide
blog - www.EcoOptimism.com
adjunct faculty - Parsons The New School for Design

>Time again to remember Jevon's Paradox: the more 
>efficiently something is used, the more we will use.
>
>Clarke Olsen
>clarkeolsendesign.com
>373 route 203
>Spencertown, NY 12165
>USA
>518-392-4640
>colsen at taconic.net
>
>
>
>
>On Jul 30, 2012, at 2:07 PM, Paul M. Eldridge wrote:
>
> > Hi Reuben,
> >
> > A few examples come to mind.  The tube wireless set that sat on my
> > grandmother's kitchen table would have consumed roughly 50 watts,
> > whereas the portable radio on my kitchen counter uses just 1-watt.
> >
> > My induction hobs are likely twice as efficient in terms of their heat
> > transfer as the coil-type heating elements that would have been used in
> > electric cookers back in the '30s or '40s.
> >
> > With regards to refrigeration, a 17-cubic foot GE GTH17BBC refrigerator
> > has an EnerGuide rating of 300 kWh per annum.  In one of your papers,
> > you tell us that the average refrigerator sold in 1941 (with an interior
> > volume of 6.3 cubic feet), tested according to today's procedures, would
> > consume 350 kWh/year.
> >
> > The Philips LED lamps in my kitchen produce more light than the 60-watt
> > incandescents used by my grandparents and consume just 9.7-watts.
> >
> > Lastly, I don't know the operating efficiency of my grandparent's coal
> > burning fireplaces, but I can only assume it was extremely low; my two
> > ductless heat pumps have a seasonal operating efficiency of 270 per cent.
> >
> > Cheers,
> > Paul
> >
> >> /  Reuben Deumling <9watts at gmail.com  > writes:
> > />/
> > />/   The fact is that in the 1930s and 40s many of our (US) household
> > />>/  appliances were very efficient: water heaters, refrigerators, kitchen
> > />>/  stoves, toilets, etc.
> > />>/
> > />/
> > />/  A lot of appliances are more efficient today.
> > />
> >>
> >> O.K. I'll bite.
> >> Name one or two or three.
> >
> > Sent from my BlackBerry® PlayBook™
> > www.blackberry.com
> >
> >
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