Head to head
Samsung EHS Mono HT Quiet 12.0kW vs Vaillant aroTHERM plus 7kW
The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kw heat output. The Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Samsung EHS Mono HT Quiet 12.0kW | Vaillant aroTHERM plus 7kW | |
|---|---|---|
| Heat output | 12.0 kW | 7 kW |
| SCOP | 4.90 (35C flow), 3.78 (55C flow) | up to 5.03 |
| Refrigerant | R32, 3.3 kg charge | R290 (propane), low GWP |
| Dimensions | 1018 x 1270 x 530 mm (H x W x D) | 1565 x 1100 x 450 mm (H x W x D) |
| Weight | 137 kg | 194 kg (operating) |
| Max flow temperature | 70C | 75C |
| Sound pressure | 46 dB(A) standard, 35 dB(A) night mode | - |
| Sound power | - | 58 dB(A) at A7/W35, 60 dB(A) at A7/W55 |
Sources: Samsung EHS Mono HT Quiet 12.0kW, Vaillant aroTHERM plus 7kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the EHS Mono HT Quiet 12.0kW if...
A 12.0kW unit for a larger house, with the highest SCOP quoted across the EHS Mono HT Quiet range at 4.90 on a 35C flow. It shares the same cabinet size as the 8kW model but weighs 11 kg more for the larger compressor.
Full EHS Mono HT Quiet 12.0kW specifications →Buy or hire the aroTHERM plus 7kW if...
A mid-size aroTHERM plus for a typical three-bed house. It is taller and heavier than the 5kW unit, reflecting a larger outdoor cabinet, and shares the same R290 refrigerant and 75C maximum flow temperature.
Full aroTHERM plus 7kW specifications →Common questions
What is the difference between the Samsung EHS Mono HT Quiet 12.0kW and the Vaillant aroTHERM plus 7kW?
The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kW heat output; the Vaillant aroTHERM plus 7kW is a r290 monobloc air source heat pump, 7 kW heat output.
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