Air conditioners

[Ceto]

This is actually for work, but I thought Household goods might be the appropriate place. With hot weather forecast, I don't think I can face another summer baking in the office without air conditioning, but as it's a charity I'm not going to ask them to pay for it. Can anyone recommend a good, reasonably cheap portable air conditioner that doesn't take up too much space?

We bought an earlier version of this for our small office - not cheap but really works, and it keeps our productivity up through sweaty weather so worth it in the end! It has a hose you have to hang out the window (like a tumble dryer) which might affect where you can put it though.

Thanks! That looks a bit cheaper than what I've found so far, too.