"tony sayer" wrote in message
...
In article , harryagain
scribeth thus

"dennis@home" wrote in message
aweb.com...
On 02/10/2013 08:31, harryagain wrote:
"The Natural Philosopher" wrote in message
...
On 01/10/13 19:14, harryagain wrote:
"John Rumm" wrote in message
o.uk...
On 01/10/2013 09:36, harryagain wrote:
"Andy Burns" wrote in message
o.uk...
harryagain wrote:

The electrical load controlled by electronic devices is trivial
compared
with total load.

How much power do you think datacentres gobble up? Vast
warehouses
full
of rack upon rack of servers with SMPSUs ...

Trivial.
And most of it is in ventiilation anyway, nothing to do with
electronics.

Where is the heat that needs ventilating coming from harry?


It comes from the heatsinks on electronic components and from people
in
these data centres.
Also from the lighting, the screens (CRT or flat).
From cooking and coffee making.

But mostly from solar gain.

you havent been in a dark office ever, have you harry?

You dozy bugger. Solar gain occurs even without windows. Through the
roof
for example.



Don't be silly the PV panels stop most of the heat reaching the roof and
the insulation stops most of what does getting into the building.

The air layer between the roof and solar panels does that.
Like those things they used to sell to "tropicalise" Landrovers.
Dozy ****s used to fit them and pretended they took their Landrovers to
Africa &c



Despite the ones across the way in the shade of the trees, are bolted
right down to the roof ..


The thing I was talking about was an extra "roof" mounted a couple of inches
about the original with spacers.