
AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump
Available to order — dispatched on the lead time shown below.
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Retail prices include VAT.
Providing year-round climate perfection, the AEG ChillFlex Pro AXP34U338HW combines 12,000 BTU cooling with an energy-efficient reverse-cycle heat pump. This versatile 4-in-1 portable system cools during summer heatwaves and warms living spaces during crisp British winters, catering to domestic spaces up to 32m². An integrated digital thermostat and multi-speed airflow system automatically monitor ambient conditions to maintain selected temperatures without wasteful energy spikes. It boasts an A energy rating, an easy-to-read top-mounted LCD display, an ergonomic remote control, and a high-efficiency anti-bacterial mesh filter that continuously filters dust and pet hair from your indoor air. With built-in condensation self-evaporation technology and simple window venting accessories supplied, this mobile heat pump unit delivers comprehensive, mess-free thermal comfort throughout all four seasons.
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 AEG →Official AEG 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 AEG — ask us and we will send the cut sheet with mounting and clearance figures.
Description
Providing year-round climate perfection, the AEG ChillFlex Pro AXP34U338HW combines 12,000 BTU cooling with an energy-efficient reverse-cycle heat pump. This versatile 4-in-1 portable system cools during summer heatwaves and warms living spaces during crisp British winters, catering to domestic spaces up to 32m². An integrated digital thermostat and multi-speed airflow system automatically monitor ambient conditions to maintain selected temperatures without wasteful energy spikes. It boasts an A energy rating, an easy-to-read top-mounted LCD display, an ergonomic remote control, and a high-efficiency anti-bacterial mesh filter that continuously filters dust and pet hair from your indoor air. With built-in condensation self-evaporation technology and simple window venting accessories supplied, this mobile heat pump unit delivers comprehensive, mess-free thermal comfort throughout all four seasons.
Compare similar units
Side-by-side specs for other portable ac in a similar BTU range.
Common questions about the AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump
How many BTU is the AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump?
The AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump has a cooling capacity of 12,000 BTU, suitable for Up to 32m².
What room size is the AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump suitable for?
The AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump is recommended for rooms Up to 32m².
Can I install the AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump myself?
Yes — the AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump is rated as Easy for self-installation. Guides and video tutorials are available on the product page.
Is the AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump smart-home compatible?
The AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump 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 AEG ChillFlex Pro AXP34U338HW Portable Air Conditioner with Heat Pump 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.
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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
127 kWh/yr
EER 10
Standard model
158 kWh/yr
EER 8
Est. saving
£8.55
32 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (12,000 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 method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 733 kWh | £198 | Up to 300% | |
| Plug-in electric heater | 2198 kWh | £593 | 100% | |
| Electric storage heater | 2198 kWh | £593 | 100% |
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/aeg-chillflex-pro-axp34u338hw-heat-pump-portable-ac
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