Head to head
Samsung EHS Mono HT Quiet 12.0kW vs Vaillant aroTHERM plus 10kW
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 10kW is a r290 monobloc air source heat pump, 10 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Samsung EHS Mono HT Quiet 12.0kW | Vaillant aroTHERM plus 10kW | |
|---|---|---|
| Heat output | 12.0 kW | 10 kW |
| SCOP | 4.90 (35C flow), 3.78 (55C flow) | up to 5.03 |
| Refrigerant | R32, 3.3 kg charge | R290 (propane), low GWP |
| Max flow temperature | 70C | 75C |
| Sound pressure | 46 dB(A) standard, 35 dB(A) night mode | - |
| Dimensions | 1018 x 1270 x 530 mm (H x W x D) | - |
| Weight | 137 kg | - |
Sources: Samsung EHS Mono HT Quiet 12.0kW, Vaillant aroTHERM plus 10kW. 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 10kW if...
The larger aroTHERM plus, sized for a bigger house with a higher heat loss. It keeps the same R290 refrigerant and 75C maximum flow temperature as the smaller units in the range, so it can usually work with existing radiators.
Full aroTHERM plus 10kW specifications →Common questions
What is the difference between the Samsung EHS Mono HT Quiet 12.0kW and the Vaillant aroTHERM plus 10kW?
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 10kW is a r290 monobloc air source heat pump, 10 kW heat output.
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