AUX Free Match AM2-H18/4DR3 5.3kW Dual-Zone Multi Split Outdoor Unit
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The AUX Free Match AM2-H18/4DR3 is a high-efficiency dual-zone multi split inverter outdoor unit engineered to power two separate indoor climate zones from a single exterior footprint. Delivering a rated cooling capacity of 5.3kW (18,000 BTU) and an impressive heating output of 5.6kW, this reverse-cycle heat pump condenser is ideal for multi-room UK residential applications including modern flats, semidetached homes, and compact home offices. Driven by advanced 180-degree sine wave DC inverter technology and low-GWP R32 refrigerant, the system achieves an outstanding A++ energy efficiency rating. It operates reliably in challenging weather conditions, supplying efficient cooling even at high ambient summer peaks and dependable warmth when external temperatures dip down to -15°C. The AM2-H18/4DR3 supports diverse indoor combinations such as wall mounted, cassette, or ducted units with independent room thermostatic zoning, ensuring personalised climate management across living and sleeping spaces.
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Smart-home ready
Connects natively with the systems below — control by app or voice.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
Full Specifications
Description
The AUX Free Match AM2-H18/4DR3 is a high-efficiency dual-zone multi split inverter outdoor unit engineered to power two separate indoor climate zones from a single exterior footprint. Delivering a rated cooling capacity of 5.3kW (18,000 BTU) and an impressive heating output of 5.6kW, this reverse-cycle heat pump condenser is ideal for multi-room UK residential applications including modern flats, semidetached homes, and compact home offices. Driven by advanced 180-degree sine wave DC inverter technology and low-GWP R32 refrigerant, the system achieves an outstanding A++ energy efficiency rating. It operates reliably in challenging weather conditions, supplying efficient cooling even at high ambient summer peaks and dependable warmth when external temperatures dip down to -15°C. The AM2-H18/4DR3 supports diverse indoor combinations such as wall mounted, cassette, or ducted units with independent room thermostatic zoning, ensuring personalised climate management across living and sleeping spaces.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 6 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£1128
This AC / season
£376
You save / season
£752
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 1392 kWh | £376 | Up to 300% | |
| Plug-in electric heater | 4176 kWh | £1128 | 100% | |
| Electric storage heater | 4176 kWh | £1128 | 100% |
Heat output estimated from this unit's 19,000 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 →