Heat pumps · MT

CTCEcoAir 435 1x230V

The CTC EcoAir 435 1x230V is a heat pump with SCOP (35 °C) 4.7 and refrigerant R407C.1

Last updated: Technical specifications ⇄ Compare this model

Key figures

SCOP (35 °C)
4.71

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

Refrigerant
R407C1
Official source
Type (source)
Ground source1
Official source
Rated output 35 °C
33.74kW1
Official source
Rated output 55 °C
31.74kW1
Official source

Technical specifications

General
Type (source) Ground source1
Performance
Rated output 35 °C 33.74 kW1
Rated output 55 °C 31.74 kW1
Efficiency
SCOP (35 °C) 4.71
SCOP (55 °C) 3.61
Seasonal efficiency ηs 35 °C 181 %1
Seasonal efficiency ηs 55 °C 137 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , 1
Noise
Indoor unit sound power 56 dB(A)1
Refrigerant
Refrigerant R407C1
Refrigerant GWP 1,7741
Refrigerant charge 5.4 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:

  • EcoAir 435 1x230V
  • EcoPart 435 3x400V

Frequently asked questions

What is the SCOP (35 °C) of the CTC EcoAir 435 1x230V?

The SCOP (35 °C) of the CTC EcoAir 435 1x230V is 4.7.1

Which refrigerant does the CTC EcoAir 435 1x230V use?

The refrigerant of the CTC EcoAir 435 1x230V is R407C.1

Sources

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