Heat pumps · 17 models

CTC heat pumps

All 17 models from CTC in our database, with the key figures side by side. Every value comes from an official register or the manufacturer; the source is on the product page.

At a glance

Rated output 35 °C
6.71 to 61.6 kW
SCOP (35 °C)
4.6 to 7.81
SCOP (55 °C)
3.45 to 5.73
Energy label 35 °C
A+++ (15), A++ (2)
Refrigerant
R407C (15), R290 (1), R410A (1)
Type (source)
Ground source (17)

This is an overview by data, not a test or recommendation. Models from other brands with the same technology are in the comparisons and on the category page.

All models

ModelSCOP (35 °C)1,2Refrigerant1
EcoPart 70607.81R290
GSi 6085.28R407C
GSi 6125.28R407C
GSi 6165.23R407C
EcoPart 616M5.1R407C
GSi 612 F101-1 1x230V4.91R410A
GS 6084.85R407C
EcoPart 412 1x230V4.8R407C
EcoPart 425 1x230V4.8R407C
EcoAir 435 1x230V4.7R407C
EcoPart 408 1x230V4.7R407C
EcoPart 410 1x230V4.7R407C
EcoPart 417 1x230V4.7R407C
EcoPart 406 1x230V4.68R407C
EcoPart 414 1x230V4.6R407C
EcoPart 430 1x230V4.6R407C
GS 6064.6R407C

Compare all models →

Lists featuring CTC

Other brands

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed Sep 29, 2026
  2. European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 15, 2026