
AUX Free Match AM5-H42/4DR3 12.0kW Five-Port Multi Split Outdoor Unit
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Retail prices include VAT.
Serving as the flagship multi-split condenser in the range, the AUX Free Match AM5-H42/4DR3 connects up to five indoor units to a solitary exterior heat pump chassis. Delivering 12.0kW (42,000 BTU) of nominal cooling capacity and a potent 13.0kW heating performance, this heavy-duty unit is purpose-built for large UK detached residences, guest houses, and commercial properties requiring independent micro-climate zoning. Engineered with a durable gold-fin anti-corrosion coil, 180° sinusoidal inverter compressor, and low-GWP R32 refrigerant, it maintains premier A++ operational efficiency while driving down running costs throughout the year. The five-port manifold allows any combination of AUX wall-mounted, low-profile ducted, or compact ceiling cassette indoor units to be paired seamlessly. With complete Tuya smart app support and voice integration across indoor units, occupants enjoy bespoke warmth or rapid cooling in every room at the touch of a button.
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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
Serving as the flagship multi-split condenser in the range, the AUX Free Match AM5-H42/4DR3 connects up to five indoor units to a solitary exterior heat pump chassis. Delivering 12.0kW (42,000 BTU) of nominal cooling capacity and a potent 13.0kW heating performance, this heavy-duty unit is purpose-built for large UK detached residences, guest houses, and commercial properties requiring independent micro-climate zoning. Engineered with a durable gold-fin anti-corrosion coil, 180° sinusoidal inverter compressor, and low-GWP R32 refrigerant, it maintains premier A++ operational efficiency while driving down running costs throughout the year. The five-port manifold allows any combination of AUX wall-mounted, low-profile ducted, or compact ceiling cassette indoor units to be paired seamlessly. With complete Tuya smart app support and voice integration across indoor units, occupants enjoy bespoke warmth or rapid cooling in every room at the touch of a button.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 13 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£2629
This AC / season
£876
You save / season
£1753
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 3246 kWh | £876 | Up to 300% | |
| Plug-in electric heater | 9738 kWh | £2629 | 100% | |
| Electric storage heater | 9738 kWh | £2629 | 100% |
Heat output estimated from this unit's 44,300 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 →
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