Head to head
Samsung EHS Mono HT Quiet 12.0kW vs Telford Tempest 170 Direct
The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kw heat output. The Telford Tempest 170 Direct is a direct unvented hot water cylinder, 170 litres.
Last reviewed 13 September 2026
Specifications side by side
| Samsung EHS Mono HT Quiet 12.0kW | Telford Tempest 170 Direct | |
|---|---|---|
| Dimensions | 1018 x 1270 x 530 mm (H x W x D) | 1200 mm high x 510 mm diameter (approx.) |
| Weight | 137 kg | 40 kg empty, 208 kg full |
| Heat output | 12.0 kW | - |
| SCOP | 4.90 (35C flow), 3.78 (55C flow) | - |
| Refrigerant | R32, 3.3 kg charge | - |
| Sound pressure | 46 dB(A) standard, 35 dB(A) night mode | - |
| Max flow temperature | 70C | - |
| Capacity | - | 170 litres |
| Immersion heater | - | 2 x 3kW, 240V single phase |
| Max inlet pressure | - | 3 bar (inlet control group) |
| Warranty | - | Lifetime guarantee on the cylinder (25 years internal), 2 years on components |
Sources: Samsung EHS Mono HT Quiet 12.0kW, Telford Tempest 170 Direct. 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 Tempest 170 Direct if...
A 170 litre direct unvented cylinder from Telford's Tempest range, built in duplex stainless steel with twin 3kW immersions rather than a boiler coil. It suits an all-electric property, and the cylinder body carries a lifetime guarantee when serviced annually.
Full Tempest 170 Direct specifications →Common questions
What is the difference between the Samsung EHS Mono HT Quiet 12.0kW and the Telford Tempest 170 Direct?
The Samsung EHS Mono HT Quiet 12.0kW is a r32 monobloc air source heat pump, 12.0 kW heat output; the Telford Tempest 170 Direct is a direct unvented hot water cylinder, 170 litres.
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