Heat pumps · MT

Kronoterm ETERA M-1 HT / HK UF E (W/W)

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The Kronoterm ETERA M-1 HT / HK UF E (W/W) is a heat pump with SCOP (35 °C) 7.6 and refrigerant R452B.^1,2

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

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SCOP (35 °C): 7.6²
Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.
Refrigerant: R452B¹
Official source
Type (source): Water-to-water¹
Official source
Rated output 35 °C: 12kW²
Official source
Rated output 55 °C: 12kW²
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)	Water-to-water¹
Performance
Rated output 35 °C	12 kW²
Rated output 55 °C	12 kW²
Efficiency
SCOP (35 °C)	7.6²
SCOP (55 °C)	5.35²
Seasonal efficiency ηs 35 °C	301 %²
Seasonal efficiency ηs 55 °C	211 %²
Energy label 35 °C	A+++²
Energy label 55 °C	A+++²
Noise
Indoor unit sound power	32 dB(A)²
Refrigerant
Refrigerant	R452B¹
Refrigerant GWP	675¹
Grants & market
ISDE grant (NL)	4,725 €¹

Manufacturer documentation

Product page (kronoterm.eu)

External links to Kronoterm's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.

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Frequently asked questions

What is the SCOP (35 °C) of the Kronoterm ETERA M-1 HT / HK UF E (W/W)?

The SCOP (35 °C) of the Kronoterm ETERA M-1 HT / HK UF E (W/W) is 7.6.^1,2

Which refrigerant does the Kronoterm ETERA M-1 HT / HK UF E (W/W) use?

The refrigerant of the Kronoterm ETERA M-1 HT / HK UF E (W/W) is R452B.^1,2

Sources

ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 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