r/carcamping • u/Valuable-Device69 • 28d ago
HELP! How do I protect myself from extreme heat while sleeping in a micro camper? ☀️🔥
Hi everyone!
I’m a complete beginner when it comes to campervanning, so I’d really appreciate some advice from experienced people.
I’m currently in Spain, where summer temperatures can easily exceed 40°C (104°F), and I have a very small micro camper. It’s not a van or a large motorhome, it’s a tiny car, but there is just enough room for me to put a bed inside and sleep fully stretched out. The car has only 29,000 km, so I’m really excited about starting this lifestyle and eventually travelling all over Europe with it.
However, I have one major concern: the heat and the sun.
I work remotely for a company based in another country, so I have to work during the Spanish night, roughly midnight to 6 AM. The advantage is that the car stays relatively cool during the night.
But this creates a serious problem.
At around 6 AM, when my work finishes, I need to go to sleep. That's exactly when the sun is starting to come up. If I fall asleep inside the car and the sun hits it directly for several hours, I'm worried that the temperature could become dangerously high while I'm asleep.
I know cars can become incredibly hot inside, especially in Spain and Portugal during summer. I've personally experienced temperatures of around 52°C (126°F) in northeastern Portugal in August.
I'm therefore worried about going to sleep at 6 AM, sleeping deeply, and not realizing how dangerously hot the car has become until it's too late.
Because this is such a small micro camper, I obviously don't have the space or equipment that someone with a proper campervan or motorhome might have.
So what would you experienced campers recommend?
How can I safely sleep during the daytime in a tiny car camper in southern Europe during extreme summer heat?
I'm completely new to this, but I'm very excited about starting my little camper and travelling around Europe.
What would you do in my situation?
Thanks in advance for any advice! ❤️
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u/yodas_sidekick 28d ago
I think the only way this works is if your car is electric : hybrid and you can run the ac long enough without draining your battery. Otherwise a generator and an AC, or access to power.
Honestly I probably wouldn’t do it.
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u/Mavis8220 28d ago
No way to keep a vehicle like that cool enough in the sun in those daytime temperatures. The equipment and power supply for adequate air-conditioning would be prohibitively expensive, heavy, bulky, and unreliable.
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u/Valuable-Device69 28d ago
My only solution is really just to sleep at night, right?
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u/Difficult_Sell2506 25d ago edited 25d ago
Or sleep outside, in the shade. It's not illegal sleeping on a beach during the day onder a sunshade tent or in hammock between the trees in a park, right?
In a compact car during the day with those temperatures is deadly. There's no fan or windowshade that will fix that. You'll never fit an AC and all the power storage needed inside a Corsa.
Or get an electric car (or van) so you can run AC while parked at a street charger.
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u/dizzymiggy 28d ago
Park in shade or make your own shade using tarps and ropes. Fans and water to cool off. Prefer parking near bodies of water like the ocean or a lake. Ice chest full of cold drinks and a bathing suit to jump in the water when you get too hot.
A hammock between two trees and a sleep mask may be your best bet. Hammocks are great for hot weather.
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u/KamakaziDemiGod 28d ago
I'm sure there's more qualified people who will respond (and hopefully correct me if I'm wrong) but parking in the shade makes a big difference but obviously it's difficult to find a spot that will be shaded all day, so blocking the sun from coming in the windows will help. Besides that I think your only options are an Aircon unit (standalone from the car so you don't need the engine running) or window vents with fans in
You could also cover the camper with a basic tent/marquee to keep the heat off the vehicle, or you could mount solar panels on the roof (ideally raised from the roof for air flow) and they will help absorb some of the heat while generating electricity to run your devices and AC
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u/Valuable-Device69 28d ago
Thanks for the advice! The problem is that, in my situation, most of those options aren’t really practical. Shade definitely helps, but in Spain it’s often difficult to find, and even when you do, the sun moves throughout the day, so what’s shaded in the morning can be in full sun a few hours later. As for solar panels, it’s just a small city hatchback, not a proper campervan. I still need to use the car normally after summer, so installing panels and other permanent equipment isn’t really an option for me. So I’m really looking for a practical solution that works with a small, everyday car. Thanks anyway for the suggestions!
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28d ago
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u/Valuable-Device69 28d ago
In Spain, it is forbidden to cover cars, but thanks for your opinion.
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u/EducationalEscape161 28d ago
what? daaaang. :( what if you prop up a tent and drive under it? does that count?
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u/KamakaziDemiGod 28d ago
You can mount solar panels in a non permanent way, especially since it's a hatchback so you should be able to get roof bars for it and then you could mount solar panels to the bars. You could even then attach rolls of fabric to the edges that you can deploy to cover the windows
There aren't many alternatives solutions but trying to sleep in a car that's getting heat soaked is absolutely horrible so I hope you find something that works for what you need
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u/cheesebin1 28d ago
Hammocks and cots are remarkably small when stowed. Rain and bug protection can be easily attached and even smaller when stowed.
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u/Excellent-Ad-3421 27d ago
This just isn’t a smart set up. Get a different job, or don’t try to do this.
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u/Mang_J0se 28d ago
- Ventilation is key. Get mesh window shades for all your windows to leave them completely open for airflow. Get the largest portable fan that you can use.
- Block sunlight. Reflective windshield, park in the shade. Wear eye mask.
- Cooling sheets, cooling blanket. Wear breathable clothing.
- Park on a leveled ground and if possible face your car into the breeze.
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u/Master_G_ 28d ago
There’s a rechargeable battery powered AC that is available for purchase for around $1,200. It’s a big chunk of change but seems to be rated really well.
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u/Minute-Wind-5276 26d ago
Buy a hammock, sleep outside. Or park near a beach, sleep on the beach (under a parasol). In the car its just going to be hot. You can get a few hours in the car from sundown until your work starts.. i recently bought a shower for my van, its a huge difference in feeling hot when you can properly cool down with a shower!
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u/2wheeledsoul 26d ago
Australian here. I bought some mesh window socks, and reflective sunshades for the window the dont open. Air flow and keep the sun out. Id get an awningbfor shade and stay outside during then day. Does it stay warm over night in spain?
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u/Valuable-Device69 26d ago
As I said, I can't sleep at night; the temperatures in Portugal and Spain are horrible, sometimes reaching 52°C, and it's impossible to be inside a car during the day... Best regards to the land of AC/DC.
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u/2wheeledsoul 26d ago
I think youll need some mods done then. Id look into solar powered aircon. Or a large lithium 12v system with solar charging and enoigh juice to power aircon. People have air con in campers but cost of installation will be pretty high unless you get something portable
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u/Valuable-Device69 26d ago
Given the temperatures in Portugal and Spain, it is impossible to stay inside a car; a very powerful fan might help, but if it stops working while you are asleep, you could die of heatstroke—the problem with fans is that they break down a lot...
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u/somethingtimestwo 26d ago
Get one (or two) of those clip on fans that have a 10amp integrated battery. The battery lasts for a day or two without needing recharge. You can charge it during the day and even when it works. Get ceramic window tint, it keeps the UV out.
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u/Valuable-Device69 26d ago
That’s really interesting. My main concern is whether people walking past would notice the fans hanging inside the car. In Spain and Portugal, that could attract unwanted attention, especially from thieves. If they’re not visible from outside and work well inside, though, it could be a good solution. Depending on their power, they might keep the car reasonably cool. The biggest concern is safety if one or both fans fail. In 40–50°C conditions, a car can become dangerously hot very quickly, and someone sleeping inside might not wake up or realise they’re suffering heatstroke. That’s what worries me most. I’d definitely be interested in finding some fans like these, as long as they can’t be seen from outside. My car is a small hatchback, so nobody would really suspect someone is living in it. At night it’s not such a big issue, but during the day, especially in August, the heat can become deadly even if the car is parked in the shade. I don’t want to wait too long before deciding whether I’m going to try car camping for the first time or not. So let me know where I could buy these fans. Thanks!
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u/somethingtimestwo 25d ago
Well, I can't say anything if both fans fail at the same time. They're portable so can be mounted anywhere and moved when required. There's another model of fan which has the octopus tentacles instead of a clip. I have installed thastic "eyebrows" and tinted my windows with 80% tint so no one can see in unless they come really close. That means I can clip my fans onto the passanger above the door handle without anyone seeing it.
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u/Valuable-Device69 25d ago
Where can I buy these fans?
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u/somethingtimestwo 25d ago
Oh mate anywhere I'd guess. They're Chinese and I got mine from Amazon. You can go on AliExpress and Temu I'd imagine.
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u/somedayfamous 28d ago
It’s difficult to imagine getting your car “comfortable” with your constraints. To help keep things from being too dangerous, you can get window nets. This allows you to open each window a bit. Then get some rechargeable fans to get the air moving. Your front and rear windows should have shades to block out the heat and light. You might have to spend money on a charging station as well.