Air conditioning

We just use a fan works for us 

What about those cool towels? The ones that don't need freezer or fridge.

Combine with fan, keep blinds closed most of the day, open windows to get through draught. Park in the shade if possible. Roof light ajar let heat out as it rises.

Mad thought now 😉. We've bought our dog a cool mat, that works well no chilling required. It certainly feels cool when you walk on it.

Cold water bottles?

 

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In years of holidaying in the South of France we only used electric fans. Mind you temperatures seem to be getting higher these days! In our latest motorhome we had a Maxx Air fan fitted, about the third of the cost of an air con unit and it has the advantage that it runs off of 12v rather than mains 230v. The later could be important if you are on a site with a low ampage system. The Maxx Air won't be as effective as an air con unit but it is thermostatically controlled and you can have it set to air in or out. https://www.roadpro.co.uk/catalogue/03b-maxxair-maxxfan-roof-vents

David

Where are you going, and do you have the flexibility to hitch up and move if you are uncomfortable?

 We moved away several times from unshaded sites in glaring sun in the far south of France,  and found things better in woodland on higher land where there was more breeze . 

Elsewhere fans were enough, but essential.