Cooling capacity
9000 BTU
Cooling capacity
BLU09 Portable Air Conditioner - Review and opinions
Noise
53 dB
Noise
Quick verdict
Is 9,000 BTU enough to make a bedroom comfortable through a heatwave without turning installation into a project? The BLU09 is a credible route for a room up to 20 m², with a hose and a window seal kit designed for UK casement windows. Its catch is the compromise common to portable cooling: the exhaust hose needs a window route, and the compressor’s noise may rule it out for light sleepers.
Choose it for a bedroom, home office or other enclosed room where straightforward seasonal cooling matters more than silent overnight operation. The remote, castors and self-evaporating design reduce everyday faff, but this is cooling only, not a year-round heating appliance. If quiet sleep is your priority, a model with a clearly documented sleep mode and lower noise is the safer route.
| Cooling capacity | 9,000 BTU |
|---|---|
| Recommended room size | Up to 20 m² |
| Noise | 49–53 dBA sound pressure |
| Exhaust setup | 1.5 m expandable hose and window seal kit |
| Modes | Cooling, fan and dehumidifier |
| Refrigerant | R290 |
Cooling for enclosed rooms
The 9,000 BTU capacity is paired with a stated room limit of up to 20 m², giving this model a clear target: a bedroom or modest home office rather than a broad, open living area.
Strong cooling is the point; room size and heat exposure still shape the result.
Casement-window kit
The included seal kit is designed for UK inward- and outward-opening casement windows, and the 1.5 m expandable hose carries hot air outside.
That makes seasonal setup more practical in many UK homes, but the unit still needs a suitable window and hose path.
Less routine water handling
Self-evaporation reuses approximately half of the condensed water and expels the rest with the hot air.
This cuts down on manual emptying during ordinary use; it is not a reason to ignore the exhaust setup or assume drainage can never be needed.
Controls and room-to-room movement
A remote with LED display, three fan speeds and castors make everyday operation and repositioning more convenient.
At 26 kg, it is movable around the home but not a lightweight choice for frequent stair trips.
Performance and experience
In a sun-warmed bedroom, the first practical question is whether the room falls within the stated 20 m² limit and has a nearby window for the hose. The 9,000 BTU capacity is aimed at that compact-room job, rather than cooling a large open-plan space. One owner describes taking a bedroom from 32°C to 23–24°C in a couple of hours; that is a useful real-world example, not a promise for every room or heatwave.
Setting it up in a rented home is less daunting than a permanent installation: the expandable 1.5 m hose and supplied window seal kit are intended for inward- or outward-opening UK casement windows. Castors help when moving the 26 kg unit between rooms, though the weight still makes stairs a chore. The kit reduces the need to improvise a seal, but the hose must still reach a suitable window.
At bedtime, the trade-off becomes more obvious. The stated sound pressure is 49–53 dBA, and there is no confirmed sleep mode; an owner calls it a little noisy, while finding the cooling worthwhile. That makes it more convincing as a pre-bedroom cool-down or for someone comfortable with background appliance noise than as a quiet-running choice for a noise-sensitive sleeper.
For daytime work or a living room, the remote control and three fan speeds make routine adjustments easier without walking back to the unit. Cooling, fan and dehumidifier modes cover different warm-weather needs, while self-evaporation recycles roughly half the condensate and sends the remainder out with the hot air. It reduces regular emptying, but does not remove the need to manage the exhaust route.
Pros
- 9,000 BTU capacity and a stated room limit of up to 20 m²
- UK casement window seal kit and 1.5 m expandable exhaust hose included
- Self-evaporating design reduces routine water emptying
- Remote control, three fan speeds and castors.
Cons
- Compressor noise may disturb light sleepers, with no confirmed sleep mode
- At 26 kg, it is cumbersome on stairs despite the castors
- Cooling only, with no heating function.
Community
User reviews
The strongest recurring appeal is effective cooling and manageable setup, especially in smaller rooms. Noise is the main compromise: comfort improves quickly, but the unit is not a silent bedroom companion, and its weight can make moving it between floors awkward.
Comparison
| Attribute | BLU09 Current | Zenolix A016L | DREO DR-HAC008S | JYMIPA |
|---|---|---|---|---|
| Price | £439.99 | £388.99 | Out of stock | Out of stock |
| Cooling capacity | 9,000 BTU | - | 7500 BTU | 9,000 BTU |
| Recommended room size | Up to 20 m² | up to 28 m² / 300 sq.ft | up to 20 m² | up to 215 sq ft |
| Noise level | 49–53 dBA sound pressure | - | 61 dB | 64 dB |
| Exhaust setup | 1.5 m expandable hose and window seal kit | - | 1.5 m exhaust hose, universal window kit included | window kit included |
| Modes | Cooling, fan and dehumidifier | cooling, fan, dehumidifier, sleep mode | Cool, Fan, Dry, Sleep | cooling, fan, dehumidification, sleep |
| Editorial score | 7.7/10 | 7.5/10 | 7.9/10 | 6.8/10 |
Against the 7,000 BTU Zenolix A016L, the BLU09 offers higher stated cooling capacity and a supplied UK casement window kit, while the Zenolix is listed for rooms up to 28 m² and includes sleep mode. Choose the BLU09 for its included window setup and stronger BTU figure in a smaller room; favour the Zenolix if its stated coverage and sleep mode better match your priorities.
The DREO AC516S is the higher-capacity alternative, listed at 14,000 BTU ASHRAE and 10,000 BTU cooling power, with a stated 65 dB noise level. That makes it the route to consider when greater capacity matters more than the BLU09’s defined 20 m² room fit. For a compact room and a UK casement-window kit, the BLU09 is the more directly specified setup; neither is the quiet-bedroom choice on the details given here.
Compare with Compare this model This product stays fixed; add a recommended alternative or search another model in the category.
Compare with
Add a second model to activate the direct comparison.
Recommended models
No products match that filter combination.
Is the BLU09 portable air conditioner worth it?
The BLU09 makes sense for an enclosed room up to 20 m² when you want substantial cooling, a UK casement-window kit and less routine water emptying. Its remote and castors help with daily use, and the 4.6/5 rating across 562 reviews aligns with a strong overall reception. Check the current offer against the room size and included setup.
Skip it if you need heating, silent overnight operation or easy lifting between floors. The 26 kg body and audible running noise are practical limits, not small-print details; for a noise-sensitive bedroom, a quieter model with a confirmed sleep mode is the better fit.
See the best price on Amazon
Check for today's deals. Free delivery with Prime.
FAQ
Does the BLU09 need an exhaust hose and what window kit is included?
Yes. It includes a 1.5 m expandable exhaust hose and a seal kit for inward- or outward-opening UK casement windows.
Is it suitable for overnight bedroom use?
It can cool a bedroom, but its stated sound pressure is 49–53 dBA and there is no confirmed sleep mode, so light sleepers may prefer a quieter option.
Review published on