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Heat pumps · MT

Xtherma Kombi-System 08

The Xtherma Kombi-System 08 is an air-to-water heat pump with a SCOP of 5.05 (35 °C) and a sound power level of 56 dB(A).1,2

Last updated: Technical specificationsRules in Malta⇄ Compare this model
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SCOP (35 °C)
5.052

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Outdoor unit sound power
56dB(A)2
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
7kW2
Official source
MT

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
Compressors11
Capacity controldrehzahlregelung1
Performance
Rated output 35 °C7 kW2
Rated output 55 °C6 kW2
Efficiency
SCOP (35 °C)5.052
SCOP (55 °C)3.92
Seasonal efficiency ηs 35 °C199 %2
Seasonal efficiency ηs 55 °C153 %2
Energy label 35 °CA+++2
Energy label 55 °CA++2
COP A7/W355.071
COP A2/W354.71
COP A-7/W353.11
Noise
Outdoor unit sound power56 dB(A)2
Indoor unit sound power33 dB(A)2
Refrigerant
RefrigerantR2901
Refrigerant charge0.7 kg1
Electrical
Max. power input2.76 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 85% of comparable models in our database (Heat pumps · Air-to-water · 6–8 kW; n = 182).

Rank 23 of 183

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.

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Frequently asked questions

Which refrigerant does the Xtherma Kombi-System 08 use?

The Xtherma Kombi-System 08 uses R290.1,2

Sources

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