The highest room in the house gets very hot in the summer. We are
going to be doing some minor building work up there soon anyway:
mainly redecorating, but also opening up a bit of the currently dead
space by moving a non-structural wall back a bit --- so this would be
a good opportunity to do any ducting.
What kinds of air-conditioning things in the UK are good for cooling
off a single room in the summer?
You can get DIY units. (For proper air con that is) Some time since I
last looked it up.
Alternative and cheapest is one of the free standing units with pipe
stuck out of the window. They work up to a point down to a minimum of
In our office we use the type of Aircon unit that wheels around and has a b
ig six inch pipe that goes out of the window to discharge the warm air. It'
s a Di Longhi one we got for about £250 from Costco about five years ago.
I've devised a way to seal the open sash window so that there's a socket fo
r the exit pipe to connect to and keep the room sealed.
It does serve to make the room more comfortable in the hot days of summer b
ut it's a bit noisy. The room is within the size limits the unit claims to
be able to cool.
Any air source heat pump type device with an external sink/source and it
will also work as a heater in winter with some gain.
If you can find a position where you can put a thin layer of insulation
and aluminium foil facing inwards with another small airgap then you can
significantly slow down the ingress of heat. You only need to do the
SE/S/SW/W roof elevations unless it is a very shallow roof.
I did this to my garage door to make it cooler in midsummer. Before I
insulated it would be too hot to work in in for a couple of hours after
opening the big S facing doors on a sunny afternoon. The doors now get
even hotter on their front but the inside surface stays cooler.
Basically you are managing the radiation of heat to the interior by
putting a small amount of insulation in the way and then evening out the
temperature with the foil. Aluminised bubble wrap will also work.
On Sunday, May 25, 2014 12:08:24 PM UTC+1, Adam Funk wrote:
If its got thermal mass, ie is brick or concrete block built, running an extractor fan through the cool night keeps the room cooler during the day. Run cost is a tiny fraction of ac.
Fixing the insulation is very much a good thing, but try not to do it by losing thermal capacity.
Another option that works is a climbing plant on the exterior wall.
Ac is a bit of a no-brain option. Its normally possible to sort such situations without the excessive run cost or noise of ac.
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