Heat pumps · MT

TecalorTTF 17.5

The Tecalor TTF 17.5 is a heat pump with SCOP (35 °C) 4.79 and refrigerant R452B.1,2

Last updated: Technical specifications ⇄ Compare this model

Key figures

SCOP (35 °C)
4.791

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

Refrigerant
R452B1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
18.14kW1
Official source
Rated output 55 °C
19.84kW1
Official source

Technical specifications

General
Type (source) Ground source1
Compressors 11
Capacity control keine1
Performance
Rated output 35 °C 18.14 kW1
Rated output 55 °C 19.84 kW1
Efficiency
SCOP (35 °C) 4.791
SCOP (55 °C) 3.71
Seasonal efficiency ηs 35 °C 184 %1
Seasonal efficiency ηs 55 °C 140 %1
Energy label 35 °C A, , , 2
Energy label 55 °C A, , , 2
Noise
Indoor unit sound power 46 dB(A)1
Refrigerant
Refrigerant R452B1
Refrigerant GWP 6982
Refrigerant charge 1.25 kg1
Electrical
Max. power input 7.1 kW1
Connectivity & smart
SG Ready Yes1

Frequently asked questions

What is the SCOP (35 °C) of the Tecalor TTF 17.5?

The SCOP (35 °C) of the Tecalor TTF 17.5 is 4.79.1,2

Which refrigerant does the Tecalor TTF 17.5 use?

The refrigerant of the Tecalor TTF 17.5 is R452B.1,2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026