CrazyBatLady66 luckily we were not in London for the 40c days but its been bad enough the past few weeks. This excess air is still hot so you don’t want it being expelled back into the room you are trying to cool so instead it is expelled outside. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag.

First of all, we agree that mobile air conditioning is not the best solution, especially for the environment! The negative pressure created from taking in hot air encourages the suction of unconditioned air so sealing off the room being cooled prevents this air from entering. New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging .If yours has multiple you might have more reservations about cutting the additional holes required to set it up. Air conditioning systems work by taking in the hot air from inside a building, cooling it with an internal refrigerant and then expelling cold air out into your room. If it is too small it can compromise your household cooling system and result in inefficient air conditioning.

it isn’t perfect (we have a very awkward velux so had to use a kit that wasn’t made for our window) but does a good enough job if there’s one that would fit your window. I’ve got an ordinary outward opening sort of big traditional window I think, hard to describe and too dark now to take photo! You must use a roof window caulking kit (Velux) which is neither aesthetic nor practical to install.Its a big hole that you need to bore, and you will be able to hire the hole saw and an impact drill heavy enough to cope from a local hire centre. If you are going to choose this method to vent your unit, be careful to consider which wall you choose to drill into.

We have an outlet in one room that the air con vent hose fits into - it has a plastic cover on the inside that seals it in Winter, probably not very tightly but no draughts.If you’re sick of sweltering uncomfortably during hot sunny days, an air cooler could help you beat the heat this summer. Outside, I also fixed the grid to the pipe with the aluminum tape but it came off after a few days due to the heat, so I replaced the tape with small rivets.