Best 12V fridge for campervans — 2024 picks

by Forest Daz · 1 year ago 437 views 19 replies
Forest Daz
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1 year ago
#1176

Been through three dodgy 12V fridges in my static caravan, so I've got some war stories here.

The Waeco CF range gets all the hype and fair play, they're solid, but you're paying premium for the name. I've found the Fogstar units punch well above their price point — currently got one humming away quite happily on my 200Ah lithium setup. Doesn't hammer the battery like the compressor models do.

Here's the thing though: most people don't realise how much your solar setup matters. A naff fridge on a decent Victron MPPT will outlast a fancy one on a dodgy PWM charge controller. Just saying.

If you're serious about off-grid, avoid the thermoelectric rubbish — absolute battery killers, won't keep anything properly cold in summer, and you'll be sweating more than the fridge. Proper compressor or absorbption only.

The Dometic RM series is what I'd recommend if budget allows — bit pricey but the efficiency is genuinely impressive. Seen some folk pair them with a small Renogy solar panel just for the fridge and they're sorted.

What's your setup looking like? Battery capacity, solar wattage, how often you're actually parked up? That'll make a massive difference to what actually works. No point buying a super-efficient unit if you're only getting 4 hours of usable sunlight in winter.

Curious what others are running — are you lot finding the newer units hold their temps better than the older models?

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Callum Hobbs
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1 year ago
#1177

I've had a Waeco CF35 running off my boat setup for near on five years now—barely a hiccup. Dead reliable, but you're absolutely right about the premium.

What I'd say is: if you're genuinely off-grid and running on battery, it's worth the investment because efficiency matters. A cheaper unit that draws 3-4A continuously will drain you faster than a quality one pulling 1.5A. Over a season, that's pounds in extra solar panels you didn't need to buy.

That said, I've heard decent things about the Fogstar range for budget builds—not quite Waeco territory but decent efficiency figures. The Renogy 12V compressor models are getting better reviews lately too.

Real question is: what's your power source? Static caravan with hookup is completely different from solar + batteries. That changes the whole calculus.

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Loch Spirit
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1 year ago
#1179

I've got a Fogstar 12V compressor fridge in my garden office setup and it's been bulletproof for three years now. Cost roughly half what Waeco charges and the efficiency is genuinely impressive on 12V draw.

That said, @CallumHobbs makes a fair point about reliability—Waeco's aren't overpriced if you're running continuously. The real question is your duty cycle. Static caravan? You're probably mains-connected most of the time, so a cheaper absorption unit makes sense. But if you're genuinely off-grid or mobile regularly, the compressor efficiency pays for itself within 18-24 months.

@ForestDaz, what were the failure modes on those three units? That'll help narrow down whether you need better build quality or just a different technology altogether. The cheap eBay absorptions fail at the seal; the dodgy compressors fail at the pump. Very different problems.

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Copper Welder
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1 year ago
#1181

Had a similar journey with mine, @ForestDaz—went through two cheap absorption fridges before I finally got wise about it. The thing I've learned is that with 12V compressor fridges, you're not just paying for the box, you're paying for the compressor efficiency and how it handles voltage fluctuations.

I ended up with a Dometic CoolMatic (bit of a middle ground between budget and Waeco pricing) sitting in my shepherd's hut setup, running off a modest solar array with Victron charge controller. What sold me was the low-temp cut-off—saves the compressor when battery voltage dips in winter.

@LochSpirit's spot on about Fogstar, mind you. They're genuinely underrated for the price. The catch is they can be thirsty on power draw when ambient heat's high. Worth factoring that into your solar/battery calcs before you commit. That's where a lot of setups fail—brilliant fridge, undersized power system.

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JG_VanLife
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1 year ago
#1303

Been running a Fogstar 40L in my van for just over two years now and it's honestly the sweet spot for money. Cost me about £400 and it's bulletproof—compressor fridges just handle the vibration and temperature swings way better than absorption models.

The thing nobody mentions is the actual power draw though. My Victron setup logs everything, and the Fogstar pulls roughly 40-50A on startup, then settles around 8-12A during the day depending on ambient temps. That's something to factor in if you're running off-grid battery.

@LochSpirit—three years trouble-free is exactly what I'm getting. Worth the extra over the budget Chinese units that fail within a season.

What's your current battery capacity, @ForestDaz? That'll probably be the limiting factor more than the fridge choice itself.

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BMS_Geek
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1 year ago
#1421

The Fogstar recommendation keeps coming up for good reason. I've got their 12V compressor unit running in my garden office setup and it's been rock solid—proper efficient on the battery side too, which matters when you're off-grid.

Where I'd push back slightly though: depends entirely on your power budget. If you've got decent solar and battery capacity, compressor fridges like the Fogstar are unbeatable value. But if you're running tight on amp-hours, absorption units still have their place despite being thirstier—they're simpler, fewer moving parts to go wrong, and you can nurse them along when power's limited.

The key thing @ForestDaz seems to have learned is that the absolute budget options aren't worth the headache. There's a sweet spot around the £400-600 mark where reliability jumps up noticeably. Waeco's pricing is steep, but Fogstar and even some of the Renogy stuff punch above their weight in that mid-range.

What sort of battery bank are you working with? That'll probably narrow down which direction makes sense.

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OhmsLaw
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#1507

You lot are spot on about the Fogstar—I've got one of their compressor models running off a small solar setup on my boat, and it's been bulletproof for eighteen months now. The thing that convinced me was actually the efficiency data; they publish their amp draw at different temperatures, which most manufacturers won't touch.

The real lesson I've learned from my own disasters is that absorption fridges are a false economy. They sound good (no moving parts, supposedly) but they'll drain a 100Ah battery like you wouldn't believe, especially if you're not running engines daily. With a caravan setup, you're often sat static for weeks—that's where the compressor models earn their keep.

One thing I'd add: check your 12V wiring before you install anything. I had a Waeco fail prematurely because the previous owner had run it through dodgy undersized cable. The voltage drop was brutal, and the compressor was working overtime trying to compensate. Sorted the cabling, got a Fogstar in, and haven't looked back. Worth doing that audit regardless of which fridge you pick.

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Macca97
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1 year ago
#1784

Quick question for @BMS_Geek and @OhmsLaw — how are you both managing the power draw during peak summer? I'm looking at a Fogstar compressor for my garden office setup and I'm a bit concerned about the initial surge when it kicks in.

Currently running a modest 400W solar array with a 100Ah LiFePO4 battery, so I need to be realistic about what'll work without constantly throttling my inverter. The spec sheets mention around 60A startup but I've seen folk on other threads say the actual inrush is higher in practice.

Also keen to know — does anyone run a Fogstar alongside other 12V loads without issues, or do you isolate the fridge on its own circuit? The @ForestDaz point about build quality is reassuring but I'd rather not find out the hard way if I've undersized my battery.

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Thistle Ken
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#1832

Fogstar's decent but mate, peak summer on a narrowboat is where the real fun starts—mine pulls about 45A on compressor kick-in, which makes my Victron multiplus absolutely earn its keep. The secret isn't the fridge, it's the battery bank behind it.

If you're solar-only like @OhmsLaw, you're basically gambling with the weather from June onwards. I've got 400W of panels and still run auxiliary charging when I'm stationary because a compressor fridge will drain a modest setup faster than you can say "where's my ice cream gone."

Absorption fridges like the older Dometic 3-way models are the narrowboat sweet spot—lower peak draw, bulletproof reliability, and they handle dodgy van wiring better. Yeah, they're not as efficient, but on a boat where you've actually got space for proper power infrastructure, they're golden.

The Waeco premium tax is real though, agree with @ForestDaz on that one.

Dodgy Mechanic
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Had a Waeco myself for the garden office setup—lasted two seasons before the compressor got temperamental. Decent build quality but you're right about paying for the badge.

@OhmsLaw how's your Fogstar handling the parasitic draw when it's not actively cooling? That's where I got caught out before. Was running through batteries faster than expected because the thing was cycling constantly in summer heat.

@ThistleKen 45A seems high for a compressor model unless yours is running continuously? Mine would spike to about 35A on startup but settle around 8-12A once it hit temperature. Are you running it straight off batteries or have you got a decent solar array keeping up?

The reason I'm asking is I'm considering one for the boat now—thinking a smaller Fogstar absorption model might be more sensible than a compressor for my setup. Less power-hungry but obviously slower to cool. Just trying to work out if the trade-off's worth it when I'm anchored for weeks at a time without much solar input.

What capacity solar are you lot running to keep pace with these fridges?

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Boycie
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The compressor kick-in issue @ThistleKen mentions is real—I've seen it tank a poorly-sized system in under a season. The problem isn't usually the fridge itself, it's people undersizing their battery bank and not accounting for the inrush current when that compressor fires up.

I run a Dometic CRX80 in my van conversion and honestly, it's been bulletproof for three years, but that's only because I've got proper charge management sorted. You need at least 200Ah of usable capacity (so 400Ah nominal LiFePO4) if you're running anything else concurrently during summer. Absorption fridges will sip less power overall but take up more space—trade-off worth considering for a static setup like @ForestDaz's caravan.

The Waeco premium isn't all marketing either, but you can get 90% of the performance from a quality Fogstar or Dometic at 70% of the cost. Real differentiator is your charging infrastructure though. Throw a Victron MPPT controller at whatever fridge you choose and you'll solve

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Yorkshire VanLifer
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The compressor draw is exactly why I ditched a cheap absorption fridge on my narrowboat two years back. 45A peaks are brutal on a modest battery bank—you're looking at serious voltage sag if your battery management isn't sorted.

Went with a Dometic CRX65 in the end. Yeah, it's pricey, but the efficiency is noticeably better than the Fogstar I'd tested. The real trick is making sure your alternator and solar are genuinely keeping pace with summer loads. I've got 400W of panels and a Victron MPPT controller, and even then peak season requires discipline.

Worth mentioning: compression fridges pull heavy on startup, so if you're running off a smaller leisure battery, you need proper cable sizing and a decent BMS. Too many people install these without checking their actual system can handle the spikes. That's when you get the temperamental compressor issues @DodgyMechanic mentions—it's usually voltage related, not the fridge itself failing.

Budget alternative worth considering: a decently insulated Waeco absorption model for lighter use cases. Not ideal for summer, but

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BigAl
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The compressor peak draw thing is exactly why I've ended up with a Fogstar 40L in my static—sits nicely at around 35-40A worst case, and the battery bank's sized to handle it without drooping the voltage below 11.5V when it kicks in.

Worth mentioning though: none of this matters if your wiring's undersized. I see loads of people stick a decent fridge on dodgy leisure battery cables and then wonder why everything goes sideways. Proper 4mm² minimum, ideally 6mm² if you've got the run.

The Waeco tax is real as @DodgyMechanic says, but I've also had cheap absorption units just silently give up the ghost. That said, there's a sweet spot with brands like Dometic and Indel B—not budget rubbish, not premium name tax, but genuinely reliable.

If you're running solar, absorption fridges are less fussy about voltage dips, which counts for something. Compressor units like my Fogstar need a stable setup to thrive. Worth factoring into the whole system design rather than just looking

ExBrickie31
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The compressor peak draw is absolutely the elephant in the room that catches people out. @BigAl's spot on about the Fogstar—I've got the 50L version in my conversion and it's genuinely well-engineered for 12V duty. The thing is, most people don't realise their leisure battery setup needs proper headroom for those inrush currents.

What matters more than the fridge itself is your battery capacity and how your charge controller handles the load. I've seen folk with decent-sized LiFePO4 setups (200Ah+) handle a Waeco without breaking a sweat, but try running one off a basic 100Ah wet cell with a dodgy voltage regulator and you'll get brownouts every time the compressor cycles.

The real gamble with cheaper absorption models is they're inefficient and run constantly, which actually draws more overall current than a decent compressor unit that cycles properly. You end up replacing them every couple of seasons anyway—total false economy.

If your system's battery-limited, honestly look at thermoelectric options or passive cooling boxes first. They're gentler on small setups,

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Marine Ollie
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#2282

The peak draw issue is real—I learned that the hard way when my first Waeco nearly flattened my lithium bank on the narrowboat. What caught me was that the spec sheet shows average consumption, not those brutal startup spikes.

That said, I've had decent luck with a smaller Dometic CF16 paired with a proper battery monitor. The key is understanding your actual system headroom rather than just chasing the cheapest option. @YorkshireVanLifer's right that 45A peaks will destroy most modest setups, but it depends entirely on your battery capacity and charging infrastructure.

For EV charging on site, I needed something that wouldn't compete with the charger demands, which is why I ended up downsizing to a 40L unit. It's the trade-off: less capacity but actually usable without upgrading your whole electrical architecture.

Worth noting that absorption fridges are criminally underrated if you've got reliable 240V hookup—they draw almost nothing 12V. Might be worth reconsidering depending on your use case rather than defaulting to compressor.

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