Head to head
Daikin Altherma 3 H HT EPRA14DV3 vs LG Therma V Monobloc S 5.50kW
The Daikin Altherma 3 H HT EPRA14DV3 is a r32 monobloc high-temperature air source heat pump, class 14. The LG Therma V Monobloc S 5.50kW is a r32 monobloc air source heat pump, 5.50 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| Daikin Altherma 3 H HT EPRA14DV3 | LG Therma V Monobloc S 5.50kW | |
|---|---|---|
| Heat output | 10.17 kW (nominal heating) | 5.50 kW at 7C/35C flow |
| SCOP | 4.51-4.71 (35C flow), 3.57-3.58 (55C flow) | 4.46 (average climate, 35C flow) |
| Refrigerant | R32, 4.2 kg charge | R32, GWP 675 |
| Dimensions | 990 x 1270 x 460 mm (H x W x D) (outdoor unit) | 1239 x 834 x 330 mm (H x W x D) |
| Weight | 146 kg (single-phase) (outdoor unit) | 89.5 kg |
| Max flow temperature | 70C | 65C |
| Sound pressure | 43 dBA (heating) | - |
| Sound power | - | 57 dB(A) rated, 54 dB(A) low noise mode |
Sources: Daikin Altherma 3 H HT EPRA14DV3, LG Therma V Monobloc S 5.50kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Altherma 3 H HT EPRA14DV3 if...
A high-temperature monobloc heat pump reaching a 70C flow, aimed squarely at replacing a boiler on an existing radiator system without upgrading radiators. Its class 14 size gives around 10.2kW of heat output, suiting a three or four-bed house.
Full Altherma 3 H HT EPRA14DV3 specifications →Buy or hire the Therma V Monobloc S 5.50kW if...
An LG Therma V Monobloc S rated at 5.50kW, using R32 refrigerant and reaching a 65C flow. A low noise mode drops the sound power to 54 dB(A), useful where the outdoor unit sits close to a boundary or window.
Full Therma V Monobloc S 5.50kW specifications →Common questions
What is the difference between the Daikin Altherma 3 H HT EPRA14DV3 and the LG Therma V Monobloc S 5.50kW?
The Daikin Altherma 3 H HT EPRA14DV3 is a r32 monobloc high-temperature air source heat pump, class 14; the LG Therma V Monobloc S 5.50kW is a r32 monobloc air source heat pump, 5.50 kW heat output.
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