Head to head
LG Therma V Monobloc S 7.00kW vs Worcester Bosch Greenstar 5800i AW 7kW
The LG Therma V Monobloc S 7.00kW is a r32 monobloc air source heat pump, 7.00 kw heat output. The Worcester Bosch Greenstar 5800i AW 7kW is a r290 monobloc air source heat pump, 7.97 kw heat output.
Last reviewed 13 September 2026
Specifications side by side
| LG Therma V Monobloc S 7.00kW | Worcester Bosch Greenstar 5800i AW 7kW | |
|---|---|---|
| Heat output | 7.00 kW at 7C/35C flow | 7.97 kW at 7/35C |
| SCOP | 4.48 (average climate, 35C flow) | 4.54 (MCS, 35C flow) |
| Refrigerant | R32, GWP 675 | R290 (propane) |
| Dimensions | 1239 x 834 x 330 mm (H x W x D) | 800 x 1100 x 540 mm (H x W x D) |
| Weight | 89.5 kg | 143 kg |
| Max flow temperature | 65C | 75C |
| Sound power | 60 dB(A) rated, 55 dB(A) low noise mode | - |
| Sound pressure | - | 42 dB(A) |
Sources: LG Therma V Monobloc S 7.00kW, Worcester Bosch Greenstar 5800i AW 7kW. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Therma V Monobloc S 7.00kW if...
An LG Therma V Monobloc S rated at 7.00kW, using R32 refrigerant and reaching a 65C flow. A low noise mode drops the sound power to 55 dB(A), useful where the outdoor unit sits close to a boundary or window.
Full Therma V Monobloc S 7.00kW specifications →Buy or hire the Greenstar 5800i AW 7kW if...
The larger 5800i AW unit, for a slightly bigger house than the 5kW model while sharing the same cabinet size and 42 dB(A) sound rating. Its R290 refrigerant and 75C flow temperature suit a radiator-based retrofit.
Full Greenstar 5800i AW 7kW specifications →Common questions
What is the difference between the LG Therma V Monobloc S 7.00kW and the Worcester Bosch Greenstar 5800i AW 7kW?
The LG Therma V Monobloc S 7.00kW is a r32 monobloc air source heat pump, 7.00 kW heat output; the Worcester Bosch Greenstar 5800i AW 7kW is a r290 monobloc air source heat pump, 7.97 kW heat output.
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