Buying guide · 10 min read · Updated October 2, 2026

6 Best Mini Split Air Conditioner For RV in 2026: A Practical RV Guide

Six mini split air conditioners for RVs, vans and cabs compared by voltage, BTU, install style and whether the unit is built for vehicles.

By Bowen HigginsRV Editor at RV Gear Lab6 products comparedSpec-sheet researched

A mini split separates the air conditioner into an indoor head and an outdoor condenser, so it needs no large roof cutout. That helps in vans and low-roof rigs, but the category mixes two very different products: 12V and 24V vehicle splits, and household 115V ductless units that were never designed for road vibration.

These six picks are sorted by that line. Each is compared on voltage, BTU, how it mounts and what the listing says about its intended use, so you can tell a vehicle split from a house unit before you spend money.

RV Gear Lab field notes

The Rig Fit Check

Start with the job: Treeligo 24V Mini Split RV Air Conditioner leads this shortlist for 24V vans. Use that fit as a reference point, then compare the alternatives against your own space and workload.
Specs that separate the picks: The first details to compare are 12,000 BTU, 24V split, 12,000 BTU, 12V DC, 11,500 BTU, 17 SEER2. Confirm the exact model and included components before ordering.
Trade-off to plan for: Needs a 24V system

Before you buy

What Matters Before You Choose a Mini Split Air Conditioner For RV

Key buying criteria so you get the right fit the first time.

01
Vehicle split or house mini split
A vehicle split is built for 12V or 24V power and road vibration, while a household unit needs 115V and may not tolerate vibration. The Treeligo 24V Split and hiberry 12V are vehicle units, and the Rellytech units are ductless house systems. Check the voltage and intended use on the listing.
02
Voltage and current
12V systems need heavy cable because the current is high. The hiberry 12V states a rated current of 60 to 80A. Check your battery bank and cable gauge.
03
BTU and space size
BTU is cooling capacity, and the right number depends on cabin volume and shade. The hiberry 12V and Treeligo 24V Split both claim 12,000 BTU, and the Wmpusll 12V claims up to about 7,500 BTU. Match capacity to the space.
04
Line set and install
A split needs a refrigerant line between indoor and outdoor parts. The Rellytech 9K is listed as pre-charged, and the vehicle splits ship as complete kits. Check that tubing and cables come in the box.
05
Heat pump needs
Some mini splits heat as well as cool. The Rellytech 11.5K heats down to minus 4 degrees F. The 12V splits here list cooling only.

Our standards

Why You Can Trust RV Gear Lab

At RV Gear Lab, we compare products based on rig fit and power or hookup compatibility, verified specifications, usability, setup requirements, weight, durability, and real-world trade-offs. We do not rank products purely on marketing claims or commission rates.

We have not personally tested every product listed. Where hands-on testing is not available, recommendations are based on verified manufacturer specifications, product documentation, use-case fit, and comparative research.

How we review RV gear →

Detailed reviews

The 6 best mini split air conditioner for rv, explained

Best Overall · 1 of 6

Treeligo 24V Mini Split RV Air Conditioner

12,000 BTU, 24V split
Scroll compressor, 350 CFM
45 dB, LCD remote

Check price on Amazon

Best for: 24V vans

Our take

Best for campers and vans with a 24V system who want a vehicle-focused split.

Why it made the shortlist

The Treeligo 24V Mini Split RV Air Conditioner is a 12,000 BTU unit with a scroll compressor, 3,000 RPM motor and 350 CFM airflow. The listing says it runs 45 dB and installs as a split without a large roof cutout.

Against the hiberry 12V, it matches the 12,000 BTU rating on 24V power with an LCD remote. Against the Rellytech 11.5K, it is built for a vehicle battery rather than a house outlet.

The scroll compressor and LCD controller make it the most complete vehicle split here.

What works

12,000 BTU cooling on 24V
No large roof cutout needed
Quiet at 45 dB
Runs directly on a vehicle battery

Watch out for

Needs a 24V system
Listing text also says 12V in places

Check price on Amazon

Best 12V Split · 2 of 6

12V Truck Camper Van Air Conditioner 12000BTU

12,000 BTU, 12V DC
60 to 80A rated current
45 dB, brushless DC blower

Check price on Amazon

Best for: 12V trucks and vans

Our take

Best for 12V trucks, vans and motorhomes that want a full 12,000 BTU split.

Why it made the shortlist

The hiberry 12V Mini Electric Split Air Conditioner lists 12,000 BTU, up to 2,000W of cooling and 960W power consumption. It specifies 12V DC with a rated current of 60 to 80A and 45 dB noise from a brushless DC blower.

Against the Treeligo 24V Split, it runs on a 12V bank at a lower price and states its current draw. Against the Wmpusll 12V, it offers far more cooling at 12,000 BTU.

A dedicated remote and low-voltage protection come with it.

What works

12,000 BTU on a 12V system
States 60 to 80A rated current
Brushless DC blower at 45 dB
Remote control and low-voltage protection

Watch out for

High current needs heavy cable
Remote batteries are not included

Check price on Amazon

Best Household Heat Pump · 3 of 6

Rellytech 11500 BTU Mini Split AC/Heating System 17 SEER2 Ductless Inverter

11,500 BTU, 17 SEER2
Heats down to minus 4 degrees F
As low as 29 dB

Check price on Amazon

Best for: Stationary cabins

Our take

Best for stationary RV and tiny-house setups with a steady 115V supply.

Why it made the shortlist

The Rellytech 11,500 BTU Mini Split is a ductless inverter system rated 17 SEER2 for up to 550 square feet. The listing says it heats down to minus 4 degrees F with auto-defrost, runs as low as 29 dB and offers one-touch self-clean and 4D swing.

Against the Rellytech 9K, it adds 2,500 BTU and a lower-temperature heating claim at a higher price. Against the 12V vehicle splits, it is a house-style unit with a heat pump.

It can replace a window unit and a space heater.

What works

Heat pump heats down to minus 4 degrees F
Quiet at 29 dB
One-touch self-clean
4D swing and iFEEL temperature sensing

Watch out for

Household unit, not built for road vibration
Voltage is not stated in the title

Check price on Amazon

Best Budget Heat Pump · 4 of 6

Rellytech Mini Split AC/Heating System

9,000 BTU, 19 SEER2
HSPF2 8.5, 115V
4 fan speeds, ECO mode

Check price on Amazon

Best for: Small stationary rigs

Our take

Best for small stationary RVs or tiny homes.

Why it made the shortlist

The Rellytech 9,000 BTU Mini Split delivers 9,000 BTU each of cooling and heating for up to 550 square feet. The 115V unit lists a 19 SEER2 rating, HSPF2 8.5, ECO mode and four fan speeds.

Against the Rellytech 11.5K, it saves money with a higher SEER2 rating at lower capacity. Against the Wmpusll 12V, it is a house-style unit with more output.

Its temperature setting runs from 61 to 88 degrees F.

What works

9,000 BTU cooling and heating
Pre-charged split system
Four fan speeds and ECO mode

Watch out for

Household unit, not rated for vehicles
Needs a steady 115V supply

Check price on Amazon

Best Truck Cab Split · 5 of 6

12V RV Truck Cab Air Conditioner Split

12V DC, 600W input
500 to 2,200W cooling range
Digital display, 9.8 ft remote

Check price on Amazon

Best for: Truck cabs

Our take

Best for semi trucks, cab-over trucks and construction vehicles.

Why it made the shortlist

The Wmpusll 12V Truck Cab Air Conditioner is a split with a 600W power input and a cooling range of 500 to 2,200W, about 1,700 to 7,500 BTU. The listing gives 600 cubic meters per hour of evaporator airflow and a remote with a 9.8 foot range.

Against the BJTDLLX 12V, it adds a digital display and a stated cooling range. Against the hiberry 12V, it uses less power at far lower cooling.

Its iron housing is spray-painted for rust resistance.

What works

Low 600W power input
Digital display with remote
Rust-resistant painted iron housing
Stated airflow of 600 cubic meters per hour

Watch out for

Cooling range tops out near 7,500 BTU
Built for cabs more than RV living areas

Check price on Amazon

Best Budget Under-Dash · 6 of 6

BJTDLLX 12V Air Conditioner

12V DC, 600W motor
500 to 2,200W cooling range
Under-dash split with two units

Check price on Amazon

Best for: Tight budgets

Our take

Best for campers, trailers and commercial vehicles that need basic cooling on a tight budget.

Why it made the shortlist

The BJTDLLX 12V Mini Split is an under-dash unit with indoor and outdoor parts and a 600W motor. The listing gives a cooling range of 500 to 2,200W and 600 cubic meters of air per hour.

Against the Wmpusll 12V, it is cheaper and has a similar spec sheet. Against the hiberry 12V, it targets cab cooling rather than a full living space.

What works

Complete split with indoor and outdoor units
600 cubic meters per hour airflow
Painted iron body

Watch out for

Sparse listing detail
Cooling output is modest

Check price on Amazon

Methodology

How We Built This Shortlist

Each pick was assessed across 5 criteria weighted for real-world use.

Vehicle or household

Splits built for 12V and 24V are separated from 115V ductless units.

Voltage and draw

Stated amps and watts are compared as seller figures.

BTU and area

Cooling BTU and square foot claims are listed.

Install style

Roof-free split, under-dash and wall-mounted layouts are compared.

Heating

Heat pump or cooling-only function is noted.

Decision guide

Match a Mini Split Air Conditioner For RV to Your RV

By Install

Your situation	Recommended pick	Why
24V van with no roof cutout	Treeligo 24V Split	Split design on 24V
12V truck or van, full 12,000 BTU	hiberry 12V	States 12,000 BTU on 12V
Stationary RV with household power	Rellytech 11.5K	Heats to minus 4 degrees F
Small 115V rig, high SEER2	Rellytech 9K	19 SEER2
Truck cab, tight budget	BJTDLLX 12V	Under-dash and cheap

By Budget

Budget	Recommended pick
$170 to $250	BJTDLLX 12V or Wmpusll 12V
$300 to $400	Rellytech 9K or Rellytech 11.5K
$420 to $470	hiberry 12V or Treeligo 24V Split

Vehicle Split vs Household Mini Split

Vehicle split

Treeligo 24V Split, hiberry 12V, Wmpusll 12V and BJTDLLX 12V run on battery power and fit vehicles. They draw high current.

Household mini split

Rellytech 11.5K and Rellytech 9K are household inverter heat pumps. They are quieter and more efficient but not built for road vibration.

Most RV owners on the road should choose the hiberry 12V or Treeligo 24V Split.

By Budget

Budget range	Recommended pick
Under $250	BJTDLLX 12V or Wmpusll 12V
$300 to $430	Rellytech 9K, Rellytech 11.5K or hiberry 12V
Above $450	Treeligo 24V Split

For Camper Vans Specifically

Look for

Look for a split design and a voltage matching your van, such as the Treeligo 24V Split or hiberry 12V.

In this comparison

The Treeligo 24V Split and hiberry 12V both claim 12,000 BTU without a large roof cutout, so either suits a van.

When to Spend More

Spend more if

Spend more if you want a full 12,000 BTU vehicle split. The Treeligo 24V Split and hiberry 12V both cover a van.

Save if

Save if you only need a cab cooler. The BJTDLLX 12V and Wmpusll 12V cost the least.

FAQ

Before You Bring One Home

Can I use a household mini split in an RV?

Only in a stationary setup with 115V power. The Rellytech 11.5K and 9K are household units, so they may not suit road vibration. Check with the maker.

What is the biggest mistake?

Ordering the wrong voltage. A 12V unit on a 24V bank fails. Confirm voltage first.

Is a 12,000 BTU split worth it over a cab unit?

For a cabin or van, yes, because the Wmpusll 12V tops out near 7,500 BTU. For a truck cab, the cab unit is enough. Match size.

How do I install a split?

Mount the indoor unit and outdoor unit and connect the lines. Wire to the battery with a fuse. Test and check for leaks.

How do I maintain it?

Clean the filter, vacuum the coil and check the cable. Keep the outdoor unit clear.

Bottom line

The short version

Browse more mini split air conditioner for rv on Amazon →

About the author

Bowen Higgins

RV Editor at RV Gear Lab

Bowen covers RV power, water systems, towing and leveling, upkeep and interior comfort, with a focus on matching gear to the rig, the hookups and the way you actually travel.

6 Best Mini Split Air Conditioner For RV in 2026: A Practical RV Guide

Our top picks

The Rig Fit Check

What Matters Before You Choose a Mini Split Air Conditioner For RV

Vehicle split or house mini split

Voltage and current

BTU and space size

Line set and install

Heat pump needs

Why You Can Trust RV Gear Lab

The 6 best mini split air conditioner for rv, explained

Treeligo 24V Mini Split RV Air Conditioner

12V Truck Camper Van Air Conditioner 12000BTU

Rellytech 11500 BTU Mini Split AC/Heating System 17 SEER2 Ductless Inverter

Rellytech Mini Split AC/Heating System

12V RV Truck Cab Air Conditioner Split

BJTDLLX 12V Air Conditioner

How We Built This Shortlist

Vehicle or household

Voltage and draw

BTU and area

Install style

Heating

Match a Mini Split Air Conditioner For RV to Your RV

By Install

By Budget

Vehicle Split vs Household Mini Split

By Budget

For Camper Vans Specifically

When to Spend More

Before You Bring One Home

Can I use a household mini split in an RV?

What is the biggest mistake?

Is a 12,000 BTU split worth it over a cab unit?

How do I install a split?

How do I maintain it?

The short version

Bowen Higgins

Related guides