Up to the point at which the inside air temperature is equal to the
external, at which point insulation is totally useless.
In fact, at this point, floor insulation - which isolates the floor from
the always cooler ground, is, in fact, counter productive.
You mis-typed. "For the several months of the year it is so uncomfortably
I acknowledge you may not have as much heat-generating electronics around
as I do. But a ceiling fan is merely better than nothing. It certainly
isn't adequate for getting on for half the year. I prefer a temperature of
21 or lower. Air con is a must. I wouldn't be without it.
I agree, if you are talking about UK productivity. We bustle around a lot.
In hot countrues, peiple learn to adopt a plodding style, which is just
as productive. They walk slowly, arms away from their sides and legs
slightly apart, to let air circulate. Its a different way of life.
On Mon, 08 Dec 2003 16:48:23 +0000, 666 firstname.lastname@example.org[dot]co[dot]uk
(Simon Gardner) wrote:
I'll acknowledge it's in that ballpark but they start at less than 20
quid and can be fitted in place of a light fitting.
It's because you've become accustomed to having it. ;-)
Having said all that my "home office" is really my car and I always
get a car with aircon. Oddly it does not seem to affect the fuel
consumption at all.
Providing you're actually moving, rather than sat in traffic, the
improved aerodynamics engendered by having the windows wound up pays
for the increased fuel consumption caused by the aircon.
Besides, I can afford it, so I don't care. I wouldn't buy a [main] car
without aircon, now.
"The road to Paradise is through Intercourse."
[email me at huge [at] huge [dot] org [dot] uk]
On aircon cars that I'd hired in the past it was always very noticable that
the engine note on idle changed when the aircon was switched on suggesting
that there was a noticeable load being switched in.
Early in the year I tried a Seat something or other that had a dash computer
that gave Km per Litre (it wasn't a UK car) averaged over some time this
dropped from around 9 to around 7. something when the aircon was switched
Sorry to be vague but I was only playing with it out of idle curiosity.
Someone once pointed out that the loss of aerodynamic efficiency ona car
with opened windows equalled the losses due to having aircon on.
I do remember switching off the aircon in my old Nissan 200sx, to get
another 15bhp during overtaking...
Ther is alos another effect, when driving in aircon, its so nice that
teh urge to rush doesn't come into it as much. One just potters along at
a steady 100 instead of 130 and saves even more fuel. On the autobahns
Cars in hot climates do need aircon tho - internal temps can reach well
over 50C in even modest sun.
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