Rob wrote:

I'll just hang a hose out the window - but I dont have sash windows. Mine
are double glazed units which are hinged at the sides so the bottom opens
outwards. Is that a problem? I guess as long as I dont get any blow back it
should be OK shouldnt it??

Try to get the hose out with as little opening as possible (you can
always use an old blanket to seal round the pipe to stop too much air
getting drawn in through the window). One of the limitations of the
nonobloc units is they expel air from the room - hence it forces more
warm damp air to be drawn in from somewhere.

I didnt consider how much heat they have to dispose of until now.

Well if you have a 1kW unit it will be shifting heat from the room at a
rate of 3kW, and then adding its own consumption to the output. So the
output will be like a 4kW fan heater!

But at the mo my office with sun glaring at me through blinds plus PC and
monitor belting out loads of heat = 36C(97F) in the room!!!!! And thats with

Cutting down the solar gain is one big step you can take to reduce the
amount of heat getting into the room. Window film would probably help
and be easy to apply.

two fans on. PC has been groaning about the heat too. Have got a fan blowing
on it now!!!

The fans themselves will add yet more heat. You could try opening the
window and having one sat close to it pointing out so that it extracts
some of the hot air rather than just warming it up a bit more an
circulating it.

Remember also that while fans may make you feel cooler, they are not
going to do much to help the PC!

On the subject of air con units, you can get some portable split units
where you hang the external unit out of a window (over the windowsill)
and then mostly close the window (there is narrower bunch of
cables/pipes that connect the two bits). These have advantages over the
monobloc units in that they are more efficient and much quieter in the
room.


--
Cheers,

John.

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