What Is a Portable Air Conditioner?
A portable air conditioner is a self-contained cooling unit on wheels that sits inside the room, with a hose that exhausts hot air through a window or wall. Unlike a split system air conditioner (which has a fixed indoor unit and an outdoor compressor), a portable unit is entirely indoors and can be moved from room to room.
How Does a Portable Air Conditioner Work?
All air conditioners work by moving heat from inside a space to outside. A portable air conditioner draws warm room air over refrigerant coils to cool it, then exhausts the heat outside through a flexible hose. Single-hose models exhaust only hot air. Dual-hose models are more efficient — one hose brings in outside air for the condenser, the other exhausts heat.
Advantages of Portable Air Conditioners
1. No Permanent Installation
Portable units require no installation by an electrician or tradesperson. Set up takes minutes — put the hose through a window or door, plug in and switch on. This makes them ideal for renters who can't modify their property.
2. Can Be Moved Between Rooms
Unlike a split system, you can roll a portable unit from your bedroom to your living room as needed.
3. Lower Upfront Cost
Portable units cost $400–$1,000 for most models, compared to $1,000–2,500+ for a split system including installation.
Disadvantages of Portable Air Conditioners
1. Much Less Efficient Than Split Systems
This is the significant drawback. Portable air conditioners are substantially less energy-efficient than split systems at the same cooling capacity. They cost more to run per unit of cooling. A split system will cool the same room more effectively and cheaply.
2. Noisier
Because all components are inside the room, portable air conditioners are significantly noisier than split systems (where the noisy compressor is outside).
3. Need a Window Outlet
You need a way to route the exhaust hose outside. This requires a window or external door to be partially open, which also lets in some outside air.
4. Take Up Floor Space
Portable units are large and sit in the room. They're not unobtrusive.
Who Is a Portable Air Conditioner Best For?
- Renters who cannot install a split system
- Rooms where split system installation is impractical
- Temporary use — moving to a new home soon
- Supplementing an existing cooling system during extreme heat
For Owned Homes: Choose a Split System
If you own your home, a split system reverse cycle air conditioner is almost always the better investment. It's more efficient, quieter, more effective and adds more value to your property.
Oceania Appliances stocks split system air conditioners from Daikin, Mitsubishi Electric, LG and Samsung. Visit our showroom at 2/14 Centre Place, Wetherill Park — open 7 days, 10am to 8pm. Free delivery across Sydney.