Heat pumps · MT

IGLOO MultiTherma 12

The IGLOO MultiTherma 12 is an air-to-water heat pump with a SCOP of 5.33 (35 °C) and a sound power level of 54 dB(A).1,2

Key figures

SCOP (35 °C)
5.332

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

Outdoor unit sound power
54dB(A)2
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
8kW2
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 °C8 kW2
Rated output 55 °C7 kW2
Efficiency
SCOP (35 °C)5.332
SCOP (55 °C)3.752
Seasonal efficiency ηs 35 °C210 %2
Seasonal efficiency ηs 55 °C147 %2
Energy label 35 °CA+++2
Energy label 55 °CA++2
COP A7/W355.431
COP A2/W354.221
COP A-7/W353.41
Noise
Outdoor unit sound power54 dB(A)2
Refrigerant
RefrigerantR2901
Refrigerant charge2 kg1
Electrical
Max. power input4.4 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 93% of comparable models in our database (Heat pumps · Air-to-water · 8–10 kW; n = 171).

Rank 9 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.

Variants

This model is registered in 8 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:

  • MultiTherma 12
  • MultiTherma 12 + ElectroBox Cascade
  • MultiTherma 12 + MultiTherma BASIC 5-15
  • MultiTherma 12 + MultiTherma PRO 5-15
  • MultiTherma 12 Kaskada
  • MultiTherma 12 Kaskada + ElectroBox Cascade
  • MultiTherma 12 Kaskada + MultiTherma BASIC 5-15
  • MultiTherma 12 Kaskada + MultiTherma PRO 5-15

Similar models

Other brands, same type and a comparable size.

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Frequently asked questions

Which refrigerant does the IGLOO MultiTherma 12 use?

The IGLOO MultiTherma 12 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)