

9000 BTU Portable Air Conditioner 3 in 1 Cooling Unit with Fan and Dehumidifier
A 9,000 BTU 3-in-1 portable air conditioner with cooling, fan and dehumidifier modes.
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Currently out of stock
We restock regularly — check back soon or browse similar units below.
Free delivery · 2–4 working days
Free to UK mainland (DHL/DX/DPD), in-stock items ship within 24h. Excludes Channel Islands, Isle of Man, Scilly Isles & Scottish Islands; a surcharge may apply to some remote areas.
30-day returns
Change your mind within 30 days. Sold & shipped via Costway.
Manufacturer warranty included
Covered against manufacturing defects. Real UK aftercare.
Refrigerant — confirm before purchase
Refrigerant details from the manufacturer — ask us if unsure.
Offering more cooling power for medium rooms, the Costway 9000 BTU portable air conditioner is a 3-in-1 unit that cools, circulates and dehumidifies from one mobile cabinet. At roughly 600 BTU per square metre, its 9000 BTU output comfortably covers spaces up to around 15 m² – larger bedrooms, lounges and home offices that a 7000 BTU model would find a stretch. As a genuine refrigerated air conditioner it lowers the actual room temperature rather than merely moving air, while dehumidifier mode draws moisture from the air to ease muggy, humid days and help tackle damp, and fan mode provides airflow alone. Being honest about portable air conditioners, this is a single-hose unit that vents through a window using its exhaust hose; no portable air conditioner can be truly hoseless, since the heat pulled from the room must be expelled outdoors. As a rough running-cost guide, a 9000 BTU unit typically costs around 22–30p per hour at approximately 26p per kWh, depending on the workload. Its portable build means you can roll it between rooms as the day warms up. With three functions in one, more capacity than the 7000 BTU version and genuine refrigerated cooling, this 9000 BTU 3-in-1 is a flexible choice for keeping a medium-sized room cool, dry and fresh.
Highlights
- 9,000 BTU cooling output
- 3-in-1 cooling, fan and dehumidifier
- Portable for room-to-room use
- Versatile year-round comfort
Description
This Costway 9,000 BTU portable air conditioner brings together cooling, fan and dehumidifier functions in one mobile unit, suited to medium-sized rooms.
Its portable design means you can move it wherever it's needed.
Specifications
- Cooling capacity
- 9,000 BTU
Ideal for
9000 BTU Portable Air Conditioner 3 in 1 Cooling Unit with Fan and Dehumidifier — FAQs
How big a room does this 9000 BTU unit cool?
At around 600 BTU per square metre, its 9000 BTU output suits medium rooms up to roughly 15 m², such as a larger bedroom, lounge or home office.
What is the difference between this and the 7000 BTU model?
This 9000 BTU unit has more cooling power and covers a larger room (up to about 15 m²) than the 7000 BTU version, which is better for smaller rooms up to around 12 m².
Does it need a window hose?
Yes. It is a single-hose portable air conditioner and must vent outside through a window using the exhaust hose. No portable air conditioner can run without expelling its heat outdoors.
How much does it cost to run per hour?
As a guide, a 9000 BTU unit costs around 22–30p per hour at roughly 26p per kWh, depending on the mode and how hard it is working.
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