
Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC
Available to order — dispatched on the lead time shown below.
Trade pricing available — apply or sign in for your trade rate
Retail prices include VAT.
The Electrolux EXP26U558HW ChillFlex Pro Silence sets a high benchmark for acoustic comfort, engineered specifically for bedrooms, home nurseries, and peaceful study areas where low operating sound is paramount. With 9,000 BTU cooling and 8,000 BTU heating capacities, this Class A+ rated heat pump efficiently regulates rooms up to 26 square metres all year long. Innovative acoustic damping keeps sound output low while delivering rapid airflow. Powered by eco-conscious R290 refrigerant, the system supports four dedicated operations: cool, heat, dehumidify, and fan circulation. It incorporates an advanced washable anti-allergen filter, sleep curve timer, and intuitive top control interface backed by a wireless LCD remote. Smooth multi-directional rolling wheels and the included quick-clip window sealing kit ensure an effortless, DIY installation without the need for specialist tools or permanent fittings.
Self-install friendly
EasyThis unit is designed for confident DIYers. Guides & video below.
Add smart control
No built-in Wi-Fi — automate this unit with a smart plug & temperature sensor.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Technical documents & videos
More from Electrolux →Official Electrolux manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Electrolux — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Electrolux EXP26U558HW ChillFlex Pro Silence sets a high benchmark for acoustic comfort, engineered specifically for bedrooms, home nurseries, and peaceful study areas where low operating sound is paramount. With 9,000 BTU cooling and 8,000 BTU heating capacities, this Class A+ rated heat pump efficiently regulates rooms up to 26 square metres all year long. Innovative acoustic damping keeps sound output low while delivering rapid airflow. Powered by eco-conscious R290 refrigerant, the system supports four dedicated operations: cool, heat, dehumidify, and fan circulation. It incorporates an advanced washable anti-allergen filter, sleep curve timer, and intuitive top control interface backed by a wireless LCD remote. Smooth multi-directional rolling wheels and the included quick-clip window sealing kit ensure an effortless, DIY installation without the need for specialist tools or permanent fittings.
Compare similar units
Side-by-side specs for other portable ac in a similar BTU range.
Common questions about the Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC
How many BTU is the Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC?
The Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC has a cooling capacity of 9,000 BTU, suitable for 26 m².
What room size is the Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC suitable for?
The Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC is recommended for rooms 26 m².
Can I install the Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC myself?
Yes — the Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC is rated as Easy for self-installation. Guides and video tutorials are available on the product page.
Is the Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC smart-home compatible?
The Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC does not have built-in Wi-Fi control, but you can add smart control using a compatible smart plug.
How long does delivery of the Electrolux EXP26U558HW ChillFlex Pro Silence 9000 BTU Heat Pump Portable AC take?
This unit is 2-3 business days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
Filter by brand
Belaco
Stiebel Eltron
Broughton
Reznor
CIAT
Powrmatic
FlaktGroup
Swegon
Suntec
Costway
VYtronIX
Beldray
Clarke
Omega Altalfa
Dantherm
Amcor
Rhoss
Kelvinator
Westinghouse
York
Trane
Lennox
Black + Decker
Honeywell
Senville
AUX
Comfee
Whynter
Viessmann
Rinnai
Aermec
NIBE
Sinclair
Blyss
Fral
Whirlpool
Electrolux
Sharp
Cooper & Hunter
Daitsu
Dimplex
Bosch
Vaillant
Olimpia Splendid
Carrier
Toshiba
Mitsubishi Heavy Industries
DeLonghi
Hitachi
Pro Breeze
Meaco
AEG
Devola
Fujitsu
electriQ
Samsung
Woods
Midea
Haier
TCL
Hisense
LG
Gree
EcoAir
Panasonic
Sealey
Daikin
Mitsubishi ElectricAnnual energy savings estimate
How much this A+-rated unit could save versus a standard C-rated model, based on your usage.
This unit
86 kWh/yr
EER 11
Standard model
119 kWh/yr
EER 8
Est. saving
£8.74
32 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 2 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£475
This AC / season
£158
You save / season
£317
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 586 kWh | £158 | Up to 300% | |
| Plug-in electric heater | 1758 kWh | £475 | 100% | |
| Electric storage heater | 1758 kWh | £475 | 100% |
Heat output estimated from this unit's 8,000 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 £158/season to heat a room vs £475 for an electric heater - that's £317 saved. https://stockool.store/products/electrolux-exp26u558hw-chillflex-pro-silence-portable-ac
You may also need

Sealey Air Cooler, Purifier & Humidifier with Remote Control 13L SAC13
Drop-ship available
Sealey Air Cooler, Purifier & Humidifier SAC04
Drop-ship available
Sealey Air Cooler, Heater, Purifier & Humidifier SAC41




















































