Head to head
Samsung EHS Mono HT Quiet 8.0kW vs Viessmann Vitocal 150-A13
The Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kw heat output. The Viessmann Vitocal 150-A13 is a r290 air source heat pump, 8.1 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Samsung EHS Mono HT Quiet 8.0kW | Viessmann Vitocal 150-A13 | |
|---|---|---|
| Heat output | 8.0 kW | 8.1 kW at A7/W35 |
| Refrigerant | R32, 2.7 kg charge | R290 (propane), GWP 0.02 |
| Dimensions | 1018 x 1270 x 530 mm (H x W x D) | 920 x 450 x 360 mm (H x W x D) (indoor unit); 841 x 1144 x 600 mm (H x W x D, single fan) (outdoor unit) |
| Weight | 126 kg | 162 kg (single fan) (outdoor unit) |
| Max flow temperature | 70C | 70C down to -10C outdoor |
| SCOP | 4.64 (35C flow), 3.38 (55C flow) | - |
| Sound pressure | 42 dB(A) standard, 35 dB(A) night mode | - |
| COP | - | 4.7-5.0 at A7/W35 |
| Sound power | - | 51 dB(A) assessed total at A7/W55 |
Sources: Samsung EHS Mono HT Quiet 8.0kW, Viessmann Vitocal 150-A13. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the EHS Mono HT Quiet 8.0kW if...
An 8.0kW R32 monobloc heat pump sized for a small to medium house, reaching a 70C flow for radiator retrofits. A night mode sound setting brings it down to 35 dB(A), which suits a property with a neighbouring wall close to the outdoor unit.
Full EHS Mono HT Quiet 8.0kW specifications →Buy or hire the Vitocal 150-A13 if...
A Vitocal 150-A monobloc-style split heat pump using the natural refrigerant R290, rated at 8.1kW and reaching a 70C flow for boiler-replacement work. Viessmann-trained installers can extend the standard warranty on registration.
Full Vitocal 150-A13 specifications →Common questions
What is the difference between the Samsung EHS Mono HT Quiet 8.0kW and the Viessmann Vitocal 150-A13?
The Samsung EHS Mono HT Quiet 8.0kW is a r32 monobloc air source heat pump, 8.0 kW heat output; the Viessmann Vitocal 150-A13 is a r290 air source heat pump, 8.1 kW heat output.
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