For anyone who hasn’t got one I’d highly recommend the Dyson air purifier fan.
I’ve had mine for three years now and use it in my lounge and my bedroom.
It takes the warm air and cools it and it’s made a massive difference to my sleep in warmer weather.
It also reverts to being a fan heater in winter if you want to use it in that way.
It takes microbes and pollen out of the air as well.
I think it cost around £300 but it’s one of my best investments and I even take it away on holiday with me.
If you have the spare cash they are well worth it.