UK portable AC stock crisis: Meaco & Midea portable units face industry-wide dispatch delays of several weeks to months. Split, multi-split, window, cassette & accessory lines are unaffected. Read our dispatch & fulfilment update

Winter is coming — your air conditioner heats too. Cut heating bills by up to 67% vs electric heaters.

🇬🇧 Delivering air conditioning across the UK — free UK mainland delivery on in-stock units
Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System
Fujitsu

Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System

In StockEnergy A++

Available to order — dispatched on the lead time shown below.

£723.88£900.00Save £176.12

Trade pricing available — apply or sign in for your trade rate

Dispatched in 2-3 working days
UK-Wide Delivery
Free UK mainland delivery on in-stock units
🇪🇺 EU Delivery available
Dispatched in 3–7 working days, then 5–10 working days EU transit
Orders under €150 ship VAT-paid at checkout (IOSS, no charges on delivery). Orders of €150 or more ship DDU — import VAT and customs duty are collected by the courier on delivery.

Retail prices include VAT.

The Fujitsu Airstage KM Series 2.5kW wall-mounted split system is a premium climate control solution for modern UK homes. Engineered for efficiency and comfort, this unit features advanced inverter technology that maintains your desired temperature with minimal energy consumption. Its sleek, compact design ensures it blends seamlessly into bedrooms or home offices, while the integrated Wi-Fi connectivity allows you to manage your indoor climate from anywhere using your smartphone. The system is exceptionally quiet, making it ideal for overnight use, and its reverse-cycle heat pump capability provides efficient heating during colder months, ensuring year-round comfort. With its high-performance R32 refrigerant, this unit is both environmentally conscious and highly effective, offering rapid cooling and heating to suit your needs. Professional installation is required to ensure optimal performance and safety, making this a reliable, long-term investment for any residential space.

1

Need it installed?

We'll match you with a local HVAC engineer.

Smart-home ready

Connects natively with the systems below — control by app or voice.

Google HomeAmazon Alexa
  • Free UK mainland delivery on in-stock units
  • Manufacturer warranty included
  • 14-day returns

Technical documents & videos

More from Fujitsu →

Official Fujitsu manual

The manufacturer's PDF for this model is being sourced and will be downloadable here.

Airstage Digital Catalogue

Fujitsu catalogue — open the official flipbook in a new tab.

Open
All Fujitsu catalogues and rangesMissing a document? Ask our team and we will send it over.

Full Specifications

Cooling Capacity9,000 BTU
Recommended Room SizeUp to 25m²
Energy RatingA++
Smart HomeGoogle Home, Amazon Alexa
Noise Level—
CategorySplit System AC
SKUASYG09KMCC-AOYG09KMCC

Physical dimensions

Exact dimensions for this model are being confirmed with Fujitsu — ask us and we will send the cut sheet with mounting and clearance figures.

Description

The Fujitsu Airstage KM Series 2.5kW wall-mounted split system is a premium climate control solution for modern UK homes. Engineered for efficiency and comfort, this unit features advanced inverter technology that maintains your desired temperature with minimal energy consumption. Its sleek, compact design ensures it blends seamlessly into bedrooms or home offices, while the integrated Wi-Fi connectivity allows you to manage your indoor climate from anywhere using your smartphone. The system is exceptionally quiet, making it ideal for overnight use, and its reverse-cycle heat pump capability provides efficient heating during colder months, ensuring year-round comfort. With its high-performance R32 refrigerant, this unit is both environmentally conscious and highly effective, offering rapid cooling and heating to suit your needs. Professional installation is required to ensure optimal performance and safety, making this a reliable, long-term investment for any residential space.

Compare similar units

Side-by-side specs for other split system ac in a similar BTU range.

Cooling Capacity
9,000 BTU
9,000 BTU
9,000 BTU
9,000 BTU
Room Size
Up to 25m²
—
—
—
Energy Rating
A++
A++
A++
A++
Heating Capable
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Yes (heat pump)
Smart Home
Google Home, Amazon Alexa
Yes
Not built-in
Not built-in
Stock
In Stock
In Stock
In Stock
In Stock
Price inc VAT
£723.88
£384.97
£493.90
£659.97

Common questions about the Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System

How many BTU is the Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System?

The Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System has a cooling capacity of 9,000 BTU, suitable for Up to 25m².

What room size is the Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System suitable for?

The Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System is recommended for rooms Up to 25m².

Can I install the Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System myself?

No — this unit requires professional installation by a qualified F-gas engineer. Use our Find an Installer service to get matched with a local HVAC professional.

Is the Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System smart-home compatible?

Yes — the Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System supports Google Home, Amazon Alexa for app and voice control.

How long does delivery of the Fujitsu Airstage KM Series 2.5kW Wall Mounted Split System take?

This unit is dispatched in 2-3 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.

Annual energy savings estimate

How much this A++-rated unit could save versus a standard C-rated model, based on your usage.

This unit

73 kWh/yr

EER 13

Standard model

119 kWh/yr

EER 8

Est. saving

£12.33

46 kWh/yr less

Estimate based on the unit's energy-rating efficiency factor and cooling capacity (9,000 BTU). Actual savings vary with room size, climate and usage patterns.

Winter heating cost: this AC vs electric heaters

This unit reverses to heat your room in winter. Based on its 3 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.

Electric heater / season

£593

This AC / season

£198

You save / season

£396

~67% less electricity

Heating methodElectricity / seasonCost / seasonEfficiencySummer cooling
This heat-pump AC733 kWh£198Up to 300%
Plug-in electric heater2198 kWh£593100%
Electric storage heater2198 kWh£593100%

Heat output estimated from this unit's 10,000 BTU/hr rating. A heat pump moves heat (COP ≈ 3), so it uses about a third of the electricity of a direct-electric heater for the same warmth. Actual savings vary with room size, insulation, tariff and usage. See the full comparison →

Share your savings

This heat-pump AC costs only £198/season to heat a room vs £593 for an electric heater - that's £396 saved. https://stockool.store/products/fujitsu-airstage-km-2-5kw-split

You may also need

Sealey Air Cooler, Purifier & Humidifier with Remote Control 13L SAC13
In Stock

Sealey Air Cooler, Purifier & Humidifier with Remote Control 13L SAC13

Drop-ship available
£151.73inc VAT
Dispatched in 1–2 working days
Sealey Air Cooler, Purifier & Humidifier SAC04
In Stock

Sealey Air Cooler, Purifier & Humidifier SAC04

Drop-ship available
£92.33inc VAT
Dispatched in 1–2 working days
Sealey Air Cooler, Heater, Purifier & Humidifier SAC41
In Stock
Sealey Heats too

Sealey Air Cooler, Heater, Purifier & Humidifier SAC41

Heats too (heat pump)
Drop-ship available
£237.53inc VAT
Dispatched in 1–2 working days
Sealey Commercial Portable Air Cooler SAC125
In Stock

Sealey Commercial Portable Air Cooler SAC125

Drop-ship available
£989.93inc VAT
Dispatched in 1–2 working days

We use cookies to measure how the store is used and to improve it. You can accept all cookies or keep only the essential ones needed to run your cart and checkout. See our privacy policy.