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We use
the portable units at work in the offices where there isn't plumbed air-con
and
they do work OK ... not as well as a plumbed in unit and they are far
noisier
(not something you realise until you sit in a room with one trying to watch
Emmerdale!). A single portable externally vented unit (I can't remember the
model) drops the temperature in our large office (at least 3m x 5m) with
four
people and probably a dozen PCs from unbearably hot to workably hot
and if
we have it on all day (i.e. it gets a head start on the sun hitting the
windows
which are the whole of one of the external "walls") then it stays "nice" -
if I
remember then I'll take in a digital thermometer and my SPL meter and do
some
temperature and level measurements for you and post up the make and model
number.
One
important thing ... route the vent hose properly. Don't just open a window
and
hang it out as you'll just let in loads more hot air. If you can find
a
unit with *TWO* hoses (an inlet and an outlet) then they're better as they
use
outside air for cooling the motor units and the condenser rather than
drawing
air from the room and throwing it out the vent (which obviously draws in
more
air from outside the room which isn't chilled).
Also
try to insulate the vent hose ... they get suprisingly hot and can work
like
little radiators. Because ours run up the walls before going into the roof
void
and then joining a flue kind of system we boxed in the vent hose as it runs
up
the wall with MDF and that helped.
Phil
Hi all,
After yesterday's TV discussion turned into an
AirCon discussion, I wondered if anyone out there has experience of
portable
AirCon units, do they work well?
Reason for my question, apart from the
indicated
39C in the room that I'm in, is that I looked into AirCon some time ago,
the
postings I read on deja pooh-poohed portable units as being not worth the
money and didn't drop the temperature by more than 1-2C.
I can't stretch to having a system fitted into
my
loft, but a portable unit seems appealing just now, anyone had any success
stories with these?
Cheers!
- Phil
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