Heat pumps · MT

SOLVIS SolvisLea 8,3 Premium

The SOLVIS SolvisLea 8,3 Premium is an air-to-water heat pump with a SCOP of 4.9 (35 °C) and a sound power level of 48 dB(A).^1,2

Last updated: 15 October 2026Technical specifications Rules in Malta ⇄ Compare this model

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SCOP (35 °C): 4.9²
Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.
Outdoor unit sound power: 48dB(A)²
Official source
Refrigerant: R454C¹
Official source
Type (source): Air-to-water¹
Official source
Rated output 35 °C: 8kW²
Official source

Rules in Malta

Water Heater Scheme (heat pump water heaters)

Unknown

REWS runs a national grant scheme for energy-efficient water heaters in homes; heat pump water heaters are eligible (alongside solar water heaters). The scheme has been extended to 31 December 2026, and part A of the application must be submitted before you buy and install the equipment. Grant amounts: see the REWS page (not verified by us).

Technical specifications

General
Type (source)	Air-to-water¹
Compressors	1¹
Capacity control	drehzahlregelung¹
Performance
Rated output 35 °C	8 kW²
Rated output 55 °C	8 kW²
Efficiency
SCOP (35 °C)	4.9²
SCOP (55 °C)	3.9²
Seasonal efficiency ηs 35 °C	193 %²
Seasonal efficiency ηs 55 °C	153 %²
Energy label 35 °C	A+++²
Energy label 55 °C	A+++²
COP A7/W35	5.42¹
COP A2/W35	4.3¹
COP A-7/W35	2.93¹
Noise
Outdoor unit sound power	48 dB(A)²
Refrigerant
Refrigerant	R454C¹
Refrigerant charge	3 kg¹
Electrical
Max. power input	6.2 kW¹
Connectivity & smart
SG Ready	Yes¹

How it ranks

SCOP (35 °C): better than 47% of comparable models in our database (Heat pumps · Air-to-water · 8–10 kW; n = 171).

Rank 87 of 172

Compared with every model on VersusIndex in the same group with a known value; equal values do not count as better. This says nothing about price, installation or reliability.

Similar models

Other brands, same type and a comparable size.

Frequently asked questions

Which refrigerant does the SOLVIS SolvisLea 8,3 Premium use?

The SOLVIS SolvisLea 8,3 Premium uses R454C.^1,2

Sources

List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
Water Heater Scheme (heat pump water heaters) — Regulator for Energy and Water Services (REWS)

Key figures