---
title: The Koala — Rear-Wall Truck Air Conditioner | Coolabah
description: Rear-wall mounted A/C and heating for trucks with no under-cab space. Lithium powered, silent overnight running. Australian made. View specifications.
image: https://coolabahdcac.com/hubfs/Coolabah%20Site%20-%20September%202026/Social%20Share%20Images/og-thekoala.jpg
---
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- [Truck A/C](https://coolabahdcac.com/truckairconditioning)
- [The Joey](https://coolabahdcac.com/the-joey)
- [The Koala](https://coolabahdcac.com/thekoala)
- [The Kookaburra](https://coolabahdcac.com/thekookaburra)
- [The Possum](https://coolabahdcac.com/thepossum)
- [Fitment guide](https://coolabahdcac.com/fitment)
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- [Truck A/C](https://coolabahdcac.com/truckairconditioning)
- [The Joey](https://coolabahdcac.com/the-joey)
- [The Koala](https://coolabahdcac.com/thekoala)
- [The Kookaburra](https://coolabahdcac.com/thekookaburra)
- [The Possum](https://coolabahdcac.com/thepossum)
- [Fitment guide](https://coolabahdcac.com/fitment)
- [Battery Technology](https://coolabahdcac.com/batterytechnology)
- [Food Trucks](https://coolabahdcac.com/food-trucks)
- [Trades](https://coolabahdcac.com/battery-solutions-for-trades)
- [Why Coolabah?](https://coolabahdcac.com/whycoolabah)
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Truck air conditioning
# The Koala
Our largest system for long-haul work and the hottest runs.
From $12,500 installed + GST
Get a quote [FIND AN AGENT](https://coolabahdcac.com/contact#find-an-agent)
[Will it fit your truck? Check the fitment guide →](https://coolabahdcac.com/fitment?hsLang=en)
## About the Koala
The Koala redefines rear-wall mounted A/C units with its slick powder-coated steel shell that can be painted to match the truck colour. The Australian-made Koala offers a powerful alternative to the Joey for trucks with limited space or airflow under the cab.
- Rear Wall installation
- Provides both cooling and heating functions
- Made with powder-coated zinc-plated steel
- Offers 2.4KW of cooling and 500W of heating power
- Charges via a 30 amp DC-DC charger and is powered by a 24V 5.5kWh Slimline battery
## Specifications
| Total installed unit weight\* | 86kg |
| --- | --- |
| Unit dimension (L x W x H) | L: 380mm W: 360mm H: 200mm |
| Outdoor unit noise level | 37dB |
| Indoor unit noise level | 39dB |
| Outdoor unit waterproof level | IP65 |
| Refrigerant | 134A |
| Temperature range | -10°C to 50°C |
| Input power of heating | 500W |
| Heating capacity | 500W |
| Max. rated input current | 50A |
| Rated cooling power | 9,000 Btu/h |
| Rated cooling capacity | 2.4KW |
| Mode | Cooling/Fan/Heating |
| Inverter / Non-inverter | Inverter/Brushless |
| Rated input voltage | 24V |
| Installed price | $12,500 + GST |
*\* Weight is the whole system fully installed (including a 5.5kWh LFP Slimline battery, housing, host kits, chargers, evaporators (where necessary) & fittings)*
The range
## Compare the other units
[](https://coolabahdcac.com/thepossum?hsLang=en)
### The Possum
Entry-level engine-off cooling for day cabs and smaller sleepers.
Voltage
12V / 24V
Mount
Rear wall
From $5,000 installed + GST
[→](https://coolabahdcac.com/thepossum?hsLang=en)
[](https://coolabahdcac.com/thekookaburra?hsLang=en)
### The Kookaburra
The workhorse. Engine-off cooling and heating for most sleeper cabs.
Voltage
24V
Mount
Roof
From $10,000 installed + GST
[→](https://coolabahdcac.com/thekookaburra?hsLang=en)
[](https://coolabahdcac.com/the-joey?hsLang=en)
### The Joey
Compact unit for tight cab spaces without giving up runtime.
Voltage
24V
Mount
Under cab
From $12,300 installed + GST
[→](https://coolabahdcac.com/the-joey?hsLang=en)
Engine-off cooling, heating and power for trucks, food vans and trade vehicles. Designed in Australia, fitted and serviced by agents in every state.
[Agent order portal](https://coolabahorders.dearportal.com/)
- [Truck A/C](https://coolabahdcac.com/truckairconditioning)
- [The Joey](https://coolabahdcac.com/the-joey)
- [The Koala](https://coolabahdcac.com/thekoala)
- [The Kookaburra](https://coolabahdcac.com/thekookaburra)
- [The Possum](https://coolabahdcac.com/thepossum)
- Support
- [Warranty](https://coolabahdcac.com/warrantypolicy)
- [FAQs](https://coolabahdcac.com/faqs)
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- [Why Coolabah](https://coolabahdcac.com/whycoolabah)
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