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Kronoterm ADAPT 0724-K3 HT / HK 3F

Kronoterm ADAPT 0724-K3 HT / HK 3F
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The Kronoterm ADAPT 0724-K3 HT / HK 3F is an air-to-water heat pump with a SCOP of 4.95 (35 °C) and a sound power level of 61 dB(A).1,2

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SCOP (35 °C)
4.951

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

Heating capacity (A7/W35)
12.94kW2
Official source
Outdoor unit sound power
61dB(A)1
Official source
Refrigerant
R452B1
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source)Air-to-water1
Compressors11
Capacity controldrehzahlregelung1
Performance
Heating capacity (A7/W35)12.94 kW2
Rated output 35 °C15.6 kW1
Rated output 55 °C15.5 kW1
Efficiency
SCOP (35 °C)4.951
SCOP (55 °C)3.841
Seasonal efficiency ηs 35 °C195.1 %1
Seasonal efficiency ηs 55 °C150.4 %1
Energy label 35 °CA+++2
Energy label 55 °CA+++2
COP A7/W355.441
COP A2/W354.191
COP A-7/W353.061
Noise
Outdoor unit sound power61 dB(A)1
Refrigerant
RefrigerantR452B1
Refrigerant GWP6982
Refrigerant charge5 kg1
Electrical
Max. power input8 kW1
Connectivity & smart
SG ReadyYes1

How it ranks

SCOP (35 °C): better than 76% of comparable models in our database (Heat pumps · Air-to-water · ≥ 14 kW; n = 208).

Rank 47 of 209

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.

Manufacturer documentation

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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Other brands, same type and a comparable size.

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Frequently asked questions

Which refrigerant does the Kronoterm ADAPT 0724-K3 HT / HK 3F use?

The Kronoterm ADAPT 0724-K3 HT / HK 3F uses R452B.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed Oct 18, 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed Sep 29, 2026