[LINK] Here's one that will snag a few

[Ivan Trundle]

Brilliant! (pardon the pun)

I knew that there was a valid reason for incandescents, and all those  
mini-heaters work a treat.

I like your thinking there, Stewart - now if only we can get Turnbull  
to legislate this into effect.

iT

On 21/02/2007, at 9:26 AM, Stewart Fist wrote:

> <snip>
>
> 5. Were the old bulbs inefficient anyway?  In summer, the excess  
> energy
> consumption will obviously emerge as heat. This will be warming up  
> a hot
> house so that is clearly a waste of energy.  But in summer the  
> lights are
> only for only half the time they are in winter, and usually we have  
> less of
> them on at night because family members tend to be doing things  
> elsewhere.
>
> In winter, any loss of light-generating efficiency will result in  
> household
> warming and so part-substitute for other heating methods.  This  
> means that
> there is no loss of efficiency at all.  And winter is the the major  
> time we
> use lighting.
>
> So about 500,000 tonnes of Turnbull's 800,000 tonne saving in CO2  
> is not
> actually a saving at all.  To maintain the same ambient household
> temperature it will require thermostats to be turned up another  
> notch in
> winter to compensate.
>
> Maybe they might legislate to require us to use fluoros in summer, and
> change to incandescents in winter.
>
> -- 
> Stewart Fist, writer, journalist, film-maker
> 70 Middle Harbour Road, LINDFIELD, 2070, NSW, Australia
> Ph +61 (2) 9416 7458
>
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--
Ivan Trundle
http://itrundle.com ivan at itrundle.com
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