versusindex
MT
Heat pumps · MT

KronotermVERSI-X 0209-K1 HT / HK 1F

The Kronoterm VERSI-X 0209-K1 HT / HK 1F is an air-to-water heat pump with a SCOP of 4.84 (35 °C) and a sound power level of 45 dB(A).1

Last updated: Technical specifications ⇄ Compare this model
Search this model
SCOP (35 °C)
4.841

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

Heating capacity (A7/W35)
6.13kW1
Official source
Outdoor unit sound power
45dB(A)1
Official source
Refrigerant
R452B1
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Performance
Heating capacity (A7/W35) 6.13 kW1
Rated output 35 °C 6.5 kW1
Rated output 55 °C 6.1 kW1
Min. outdoor temperature -22 °C1
Efficiency
SCOP (35 °C) 4.841
SCOP (55 °C) 3.661
Seasonal efficiency ηs 35 °C 186 %1
Seasonal efficiency ηs 55 °C 141 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , 1
COP A7/W35 4.81
Noise
Outdoor unit sound power 45 dB(A)1
Indoor unit sound power 36 dB(A)1
Refrigerant
Refrigerant R452B1
Refrigerant GWP 6981
Refrigerant charge 1.5 kg1

Variants

This model is registered in 2 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:

  • VERSI-X 0209-K1 HT / HK 1F
  • VERSI-I 0209-K1 HT / HK UF E

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.

Frequently asked questions

Which refrigerant does the Kronoterm VERSI-X 0209-K1 HT / HK 1F use?

The Kronoterm VERSI-X 0209-K1 HT / HK 1F uses R452B.1

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026