12v Air conditioning vs mini Split

baipin

Active member
If you're going with a 12v or 24v unit, look for one with a variable speed compressor. The AC units tend to have these and they really help accentuate the efficiency that mini-split systems can offer as they don't need to turn on/off constantly, but rather throttle down to meet demand once a space is adequately cooled. DC systems seem to be single speed, however, aside from a few Chinese models I've seen. One example of a variable speed unit:

S8e4e32ff3ec54143b45d21f3d9e729dcH.jpg
 

SkiFreak

Crazy Person
Mitsubishi Heavy Industries (appropriate for this forum, but only a coincidence) make some 240VAC inverter AC units (around 1.7kW - 2kW) that only use about 350W.
Running through an inverter will lose you around 10% (because of inverter efficiency), but that is still way lower power consumption than any mobile AC I have ever seen.
 

4x4tripping

Adventurer
I did bought this portable split Aircon:

Klima-Anlage-Portabel-Split-mobil-Klimaanlage-wohnmobil-wohnwagen-vanlife.JPG



I did review it too. It is runned by 110v/220v but just need 450Watt, it runs even on my Ecoflow River Pro.

Completely OK to cool down my 16m2 Homeoffice Room!

trippin
 
Last edited:

Ultimark

Active member
do you have a link please
We have two of these units, one in our kitchen, the other in our bedroom.

When idling along for heating in the bedroom in winter as it now here, ours uses somewhere around 200-250W to maintain 13ºC-18ºC. In the summertime with sweltering heat, keeping the room around 21º-23º with external ambient around 40ºC it pulls around 300W-500W once it settles down.

I have often thought if room was possible, this is the unit for a truck camper. I have seen one truck camper with one of these, but couldn't ask questions as their truck was unattended.


The best performing range of air conditioners that Mitsubishi Heavy Industries have, are these, they are called the Avanti Plus range.

Beware that Mitsubishi Industries, and Mitsubishi Heavy Industries, are two different companies.

Mick.
 
We have two of these units, one in our kitchen, the other in our bedroom.

When idling along for heating in the bedroom in winter as it now here, ours uses somewhere around 200-250W to maintain 13ºC-18ºC. In the summertime with sweltering heat, keeping the room around 21º-23º with external ambient around 40ºC it pulls around 300W-500W once it settles down.

I have often thought if room was possible, this is the unit for a truck camper. I have seen one truck camper with one of these, but couldn't ask questions as their truck was unattended.


The best performing range of air conditioners that Mitsubishi Heavy Industries have, are these, they are called the Avanti Plus range.

Beware that Mitsubishi Industries, and Mitsubishi Heavy Industries, are two different companies.

Mick.
Thanks, I searched on Google but I couldn't find it. I understand that these splits are for domestic use, for a truck, or do you have enough space to place the external or complicated unit.
Thank you anyway.
 
The ********** is that it requires a lot of space and my Fuso is already almost full, and then aesthetically the external unit, unless it's a big truck, penalizes a lot.
 

SkiFreak

Crazy Person
Sadly, that is the price you pay for an efficient AC that can run well on battery power alone.
I agree with your assessment and feel your frustration, as I have experienced the same when looking for a suitable AC for my camper.

The majority of RV and marine users are still using caravan parks or marinas, so shore power is nearly always available when parked/moored.
Because of this, there is no real market driver to make small, efficient and affordable AC units for people that want to be off grid in their vehicles.
Unfortunate, but that's the reality.
 

glennm01

Active member
Slightly outside the OP's parameters, but I've had great results with a cheap 110 volt residential 5000 BTU window unit mounted on my back wall. It draws around 400 watts when the compressor is on, and offers plenty of cooling for such a tiny space. I've heard some say that these units won't stand up to road vibrations, but after almost 2 years and plenty of rough terrain along the way, she's still going strong. And at around $200, I won't mind too much if I have to replace it every few years.
 
Sadly, that is the price you pay for an efficient AC that can run well on battery power alone.
I agree with your assessment and feel your frustration, as I have experienced the same when looking for a suitable AC for my camper.

The majority of RV and marine users are still using caravan parks or marinas, so shore power is nearly always available when parked/moored.
Because of this, there is no real market driver to make small, efficient and affordable AC units for people that want to be off grid in their vehicles.
Unfortunate, but that's the reality.
After giving it a twist and rethinking, placing this mitsu air in my truck under the spars of the subframe is unfeasible since the external cold unit has to go in its vertical position, and I rule out having it visible vertically, with which I have to opt for another solution unfortunately.
 

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