Head to head
LG Therma V Monobloc S 5.50kW vs Telford Tempest 300 Indirect
The LG Therma V Monobloc S 5.50kW is a r32 monobloc air source heat pump, 5.50 kw heat output. The Telford Tempest 300 Indirect is a indirect unvented hot water cylinder, 300 litres.
Last reviewed 13 September 2026
Specifications side by side
| LG Therma V Monobloc S 5.50kW | Telford Tempest 300 Indirect | |
|---|---|---|
| Dimensions | 1239 x 834 x 330 mm (H x W x D) | 1750 mm high x 580 mm diameter |
| Weight | 89.5 kg | 61 kg |
| Heat output | 5.50 kW at 7C/35C flow | - |
| SCOP | 4.46 (average climate, 35C flow) | - |
| Refrigerant | R32, GWP 675 | - |
| Sound power | 57 dB(A) rated, 54 dB(A) low noise mode | - |
| Max flow temperature | 65C | - |
| Capacity | - | 300 litres |
| Material | - | 2304 duplex stainless steel |
| Relief valve setting | - | 7 bar / 90C |
| Immersion heater | - | 3kW, 240V single phase, included |
| Warranty | - | Lifetime guarantee on the body with annual service, 2 year component guarantee |
Sources: LG Therma V Monobloc S 5.50kW, Telford Tempest 300 Indirect. Figures vary by model year and options, so check with the supplier before you commit.
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 →Buy or hire the Tempest 300 Indirect if...
A 300 litre indirect cylinder for a larger household or a property with high simultaneous hot water demand, part of Telford's Tempest range. Like the smaller direct model it carries a lifetime body guarantee when serviced annually.
Full Tempest 300 Indirect specifications →Common questions
What is the difference between the LG Therma V Monobloc S 5.50kW and the Telford Tempest 300 Indirect?
The LG Therma V Monobloc S 5.50kW is a r32 monobloc air source heat pump, 5.50 kW heat output; the Telford Tempest 300 Indirect is a indirect unvented hot water cylinder, 300 litres.
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