Compare product fit and check retailer availability
Portable air conditioners can be useful when a permanent split system is not practical, particularly for renters, apartments or rooms that only need occasional cooling.
But they are not simply air conditioners on wheels.
A portable refrigerated air conditioner still needs to move heat outside, usually through an exhaust hose fitted to a window. The room, window, hose position, noise and condensate arrangement can all affect whether the unit is practical.
Before buying one, check the room and the window first.
For a broader comparison of fixed, portable and evaporative systems, start with the Air Conditioning Buying Guide.
Make sure it is actually an air conditioner
A portable refrigerated air conditioner removes heat from the room and exhausts it outside. A portable evaporative cooler passes air through water and adds moisture.
They are not interchangeable: evaporative cooling is best suited to hot, dry conditions, while adding moisture can make it a poor substitute in humid coastal, tropical and subtropical areas.
Be cautious when products are described simply as an air cooler rather than an air conditioner. Our guide comparing evaporative coolers and refrigerated air conditioning explains the climate and ventilation differences.
Check the window before you buy
Most portable refrigerated air conditioners need an exhaust hose connected to the outside.
That usually means fitting a supplied window kit into a sliding or sash window.
Before buying, check:
- how the window opens
- the dimensions of the opening
- whether the supplied kit will fit
- whether extra sealing will be required
- whether the window can still be secured
- where the unit can sit while connected to the window.
Awning, casement and unusual window designs may require a different solution from a standard sliding-window kit. Renters should also check the lease and seek permission where required before fixing or altering anything.
A portable air conditioner is much less useful if there is nowhere practical to exhaust the hot air.
Portable air conditioners worth comparing
These two cooling-only models are for enclosed rooms where permanent air conditioning is impractical. Both need an exhaust window, operating clearance and a suitable power point. Compare the setup and noise limits below before opening the retailer links. AHC has not tested either unit firsthand.
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Compare the fit, main drawback and retailer availability for each option.
| Option | May suit | Check first | Retailer prices and availability |
|---|---|---|---|
 Dimplex DCP9C 2.6kW portable air conditioner Portable refrigerated air conditioner | Occasional cooling in a small enclosed room with a compatible window and 500mm operating clearance | Allow 500mm around the unit. The supplied window panel and hose are a recurring fit complaint; measure both before buying. | |
 De’Longhi Pinguino PACEM82K 2.4kW portable air conditioner Portable refrigerated air conditioner | Occasional cooling of an enclosed room where a three-speed fan and timer are useful | Allow at least 600mm from walls and obstacles, with a short, unobstructed exhaust route to the window. |
More about each option
Portable refrigerated air conditioner
Dimplex DCP9C 2.6kW portable air conditioner
A compact cooling-only unit for a smaller enclosed room with a suitable exhaust window. It has two fan speeds, a remote and a timer. Owners commonly report useful bedroom cooling, alongside noise and window-kit complaints.
Good fit for
Occasional cooling in a small enclosed room with a compatible window and 500mm operating clearance
Check before buying
Allow 500mm around the unit. The supplied window panel and hose are a recurring fit complaint; measure both before buying.
Research-supported option
More suitability and drawbacks
May suit: Occasional cooling in a small enclosed room with a compatible window and 500mm operating clearance; Households that can accept indoor compressor noise and check condensate drainage.
May not suit: Large open-plan spaces; Light sleepers who need quiet continuous cooling; Rooms that fail the minimum area or window-kit requirements.
Drawbacks to consider:
- Allow 500mm around the unit. The supplied window panel and hose are a recurring fit complaint; measure both before buying.
- Dimplex specifies 280 × 290 × 675mm (width × depth × height) and 20.8kg. The retailer transposes width and height, so use the manufacturer dimensions.
- The manual requires a room larger than 9m²; follow any stricter requirement on the appliance label. The advertised 20m² coverage is not a sizing guarantee.
- Self-evaporation does not eliminate drainage: the unit stops when excess condensate fills the tank. Noise can make it unsuitable for light sleepers.
Evidence confidence: moderate. Last reviewed 11 October 2026. Research-based assessment; we have not tested this product firsthand.
Portable refrigerated air conditioner
De’Longhi Pinguino PACEM82K 2.4kW portable air conditioner
A cooling-only alternative with three fan speeds, a remote and a 24-hour timer. Its manual calls for more clearance than the Dimplex. Recent owners describe useful small-room cooling, but noise and exhaust-window fit remain significant limits.
Good fit for
Occasional cooling of an enclosed room where a three-speed fan and timer are useful
Check before buying
Allow at least 600mm from walls and obstacles, with a short, unobstructed exhaust route to the window.
Research-supported option
More suitability and drawbacks
May suit: Occasional cooling of an enclosed room where a three-speed fan and timer are useful; A position with at least 600mm operating clearance and a compatible exhaust window.
May not suit: Light sleepers needing a quiet bedroom appliance; Large open-plan rooms or high windows beyond the supplied hose route; A tight cavity or routine carrying between floors.
Drawbacks to consider:
- Allow at least 600mm from walls and obstacles, with a short, unobstructed exhaust route to the window.
- This model is not the similarly named Silent version. Owner feedback includes intrusive noise, weak cooling in some rooms and one short-cycling complaint.
- Manufacturer and retailer weight and dimension listings differ. Confirm the current supplied unit before planning a tight storage position or lifting it upstairs.
- Auto-evaporation is not a promise of zero draining. The manual provides continuous drainage for high humidity and draining instructions before storage.
Evidence confidence: moderate. Last reviewed 18 October 2026. Research-based assessment; we have not tested this product firsthand.
Optional setup accessories
These do not replace the appliance. Check what is included and buy an extra only when it solves a specific setup problem.
Fabric exhaust seal for hinged windows
HOOMEE AL003 400cm Portable Air-Conditioner Window Seal
A removable zipped fabric seal for routing a portable air-conditioner exhaust hose through a measured inward- or outward-opening hinged window.
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Good fit for
renters or households with a compatible hinged window whose measured perimeter fits the 400 cm version
Check before buying
The offer checked was an Amazon US import. Check international delivery timing, shipping charges and returns before ordering.
Research-supported option
More suitability and drawbacks
May suit: renters or households with a compatible hinged window whose measured perimeter fits the 400 cm version.
May not suit: sliding windows, fragile painted frames, security-sensitive openings or windows that need a rigid weatherproof panel.
Drawbacks to consider:
- The offer checked was an Amazon US import. Check international delivery timing, shipping charges and returns before ordering.
- It is intended for hinged windows; HOOMEE directs sliding-window users to a different kit.
- The adhesive strip can leave residue or affect fragile finishes, and owner feedback is mixed on zipper, adhesion, fit and durability.
- A fabric panel is not a rigid, insulated or security-rated window insert and can transmit outdoor noise.
Evidence confidence: moderate. Last reviewed 19 August 2026. Research-based assessment; we have not tested this product firsthand.
Compact temperature and humidity monitor
TempPro TP49 Indoor Thermometer and Hygrometer
A small battery-powered display for checking the temperature and relative humidity in the enclosed room before and while a portable air conditioner operates.
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Good fit for
households wanting a simple local check of room temperature and humidity without an app
Check before buying
It has no backlight, app, remote sensor or logged history, so it is for spot readings rather than diagnosis.
Research-supported option
More suitability and drawbacks
May suit: households wanting a simple local check of room temperature and humidity without an app.
May not suit: people needing outdoor readings, remote alerts, calibration records or long-term data logging.
Drawbacks to consider:
- It has no backlight, app, remote sensor or logged history, so it is for spot readings rather than diagnosis.
- Placement near the supply air, exhaust hose, sun or a damp surface can make the reading unrepresentative of the occupied room.
- A room reading cannot establish whether a portable unit is correctly sized or operating to its full specification.
Evidence confidence: moderate. Last reviewed 19 August 2026. Research-based assessment; we have not tested this product firsthand.
The Dimplex needs 500mm clearance around it; the De’Longhi manual calls for 600mm from walls and obstacles. Manufacturer and retailer dimensions are not always consistent, so check the exact unit and its current instructions before planning a tight space. Accessories are listed separately below the air conditioners.
Keep the exhaust hose short and sensible
The exhaust hose carries hot air from the air conditioner to the outside.
Follow the manufacturer’s installation requirements and avoid unnecessarily extending, crushing or sharply bending the hose.
A long or poorly routed hose creates more hot surface area inside the room and can make the installation less effective.
The unit also needs enough space around it for airflow, so squeezing it tightly behind furniture simply because that is where the window is located may not work well.
Understand the limitation of single-hose units
Many portable air conditioners sold for household use have a single exhaust hose.
The unit takes air from inside the room, uses some of it to carry heat away and exhausts that air outside.
This reduces the air pressure in the room, encouraging warmer air from adjoining rooms or outside to enter through gaps and openings.
This is one reason a portable unit can struggle more than expected in a large, poorly sealed or open-plan space.
Portable air conditioners generally make the most sense in smaller, enclosed rooms where doors and windows can be kept closed while cooling.
Read the energy label carefully
Portable air conditioners sold in Australia are covered by minimum energy-performance and labelling requirements, but the Zoned Energy Rating Label works differently for portable units. A single-duct portable air conditioner displays no cooling stars because the exhaust process creates negative pressure and draws warmer replacement air back into the room. A double-duct model can display stars.
Do not treat a blank star field as a missing label. Use the label's cooling capacity, annual energy-use information, climate-zone figures and noise information to compare models, then check the exact unit's installation requirements. A larger capacity can also mean higher running cost, so avoid buying substantially more capacity than the room needs.
Treat claimed room size as a starting point
A manufacturer’s suggested room area can be useful, but the same room-sizing considerations that apply to fixed air conditioners still matter.
Cooling demand can increase with:
- strong afternoon sun
- north- or west-facing glazing
- large windows
- poor insulation
- high ceilings
- upstairs rooms
- open adjoining spaces
- heat-producing appliances.
A small shaded bedroom and a similarly sized west-facing upstairs room can place very different demands on an air conditioner.
Use our guide to air-conditioner sizing as a starting point. If the room gains excessive heat through the roof or walls, also check the practical options in our home insulation guide.
Portable does not mean quiet
The compressor, fan and other major components of a portable air conditioner are inside the room with you.
That makes noise particularly important if the unit will be used in a bedroom, study or television room.
Do not rely only on terms such as sleep mode, quiet mode or low noise.
Check published noise figures where available, remembering that fan speed and compressor operation can change the sound while the unit is running. CHOICE's current buying guidance says portable units on high can fall roughly in the 57–74 dB range, so even a relatively quiet model may still be obvious in a bedroom.
For sleeping spaces, compare the measured noise at the operating mode you expect to use rather than discovering the limitation on the first hot night.
Check the power point before choosing the position
The window is only half of the placement problem. A portable air conditioner also needs a suitable power point within the cord length specified by the manufacturer. CHOICE notes that manufacturers commonly advise against using extension leads with portable air conditioners because of their power demand.
Plan the unit around a suitable fixed outlet and the exhaust route together. Do not run a power lead where it creates a trip hazard or rely on a power board or extension lead unless the exact manufacturer's instructions explicitly permit it.
Check how condensate is handled
Refrigerated air conditioning removes moisture from the air as it cools.
Depending on the design and operating conditions, a portable unit may evaporate some condensate through the exhaust system, collect water internally or require a drain hose.
Check:
- whether a tank needs emptying
- whether continuous drainage is supported
- where a drain hose could go
- what happens when the tank becomes full.
This deserves particular attention in humid climates, where the unit may need to remove more moisture from the indoor air.
Dry mode can be useful in humid weather
Many portable air conditioners include a dry or dehumidify mode.
This can be useful when humidity is uncomfortable but heavy cooling is not required. Our guide to air-conditioner dry mode and humidity explains when it suits the conditions.
It does not necessarily replace a dedicated dehumidifier, and operation differs between models, so check whether dry mode requires continuous drainage and how the manufacturer intends it to be used.
Think about how portable it really is
Portable air conditioners commonly have wheels, but many are still large and heavy.
Moving one from room to room may also mean moving the exhaust hose, window fittings, drainage arrangement and power connection.
Check the unit’s dimensions and weight before buying, and consider where it will be stored when summer is over.
For many households, “portable” means movable when necessary, not something that is conveniently wheeled between bedrooms every evening.
When is a portable air conditioner a good choice?
A portable refrigerated air conditioner can make sense when:
- you rent and cannot install a fixed system
- strata or property restrictions prevent permanent installation
- only one small room needs occasional cooling
- you need a temporary cooling solution
- installing a split system is not practical.
If permanent installation is possible, compare portable, window/wall and split-system air conditioners before deciding.
Fixed systems generally avoid the portable unit’s flexible exhaust hose and keep more of the refrigeration equipment outside the occupied room. Our guide to split-system installation costs explains the site and quote questions to check first.
Avoid buying in a heatwave panic
Portable air-conditioner prices and stock can move quickly when the first hot spell arrives. CHOICE has observed prices jumping by at least 10% and sometimes by a few hundred dollars as spring heat drives demand. If you already know you may need one, measuring the room and window before the hottest weather gives you more time to compare the actual unit rather than buying whatever is left.
Do not buy early just for the sake of it: first establish that a portable unit is the right cooling format for the room. But once the need is clear, the window works and the capacity is understood, comparing ahead of a heatwave can reduce pressure to compromise on noise, fit or efficiency.
Before you buy
Check the room, window and exhaust route before comparing portable air conditioners.
Then consider cooling capacity, noise, condensate handling, dry mode, physical size and the realities of your local climate.
A portable air conditioner can solve a genuine cooling problem, particularly where permanent installation is not possible.
Even a capable portable unit is a poor purchase if the window cannot accommodate it, the room is too demanding or the noise makes it unsuitable for how you intend to use it.