Head to head
NIBE S2125 Model 8 vs Samsung EHS Mono HT Quiet 14.0kW
The NIBE S2125 Model 8 is a air/water heat pump, up to 5.4 kw heat output. The Samsung EHS Mono HT Quiet 14.0kW is a r32 monobloc air source heat pump, 14.0 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| NIBE S2125 Model 8 | Samsung EHS Mono HT Quiet 14.0kW | |
|---|---|---|
| Heat output | 5.33 kW (average climate), 5.4 kW (cold climate) | 14.0 kW |
| SCOP | 5.0 at 35C, 3.7 at 55C (average climate); 4.1 at 35C, 3.2 at 55C (cold climate) | 4.83 (35C flow), 3.75 (55C flow) |
| Dimensions | 1070 x 1130 x 820 mm (H x W x D) | 1018 x 1270 x 530 mm (H x W x D) |
| Weight | 150 kg | 137 kg |
| Max flow temperature | up to 75C | 70C |
| Sound power | 49 dB(A) at nominal rating (EN12102) | - |
| Refrigerant | - | R32, 3.3 kg charge |
| Sound pressure | - | 47 dB(A) standard, 35 dB(A) night mode |
Sources: NIBE S2125 Model 8, Samsung EHS Mono HT Quiet 14.0kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the S2125 Model 8 if...
A smaller NIBE S2125 rated to keep working in cold climates, reaching up to 65C flow even at -25C outdoors. It suits a smaller house where cold-weather reliability matters more than raw output.
Full S2125 Model 8 specifications →Buy or hire the EHS Mono HT Quiet 14.0kW if...
The largest single-phase unit in the EHS Mono HT Quiet range at 14.0kW, for a larger house with a higher heat loss. It is available in both single-phase and three-phase versions and keeps the same 70C maximum flow temperature as the smaller models.
Full EHS Mono HT Quiet 14.0kW specifications →Common questions
What is the difference between the NIBE S2125 Model 8 and the Samsung EHS Mono HT Quiet 14.0kW?
The NIBE S2125 Model 8 is a air/water heat pump, up to 5.4 kW heat output; the Samsung EHS Mono HT Quiet 14.0kW is a r32 monobloc air source heat pump, 14.0 kW heat output.
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