CTC EcoPart 616M

The CTC EcoPart 616M is a heat pump with SCOP (35 °C) 5.1 and refrigerant R407C.1,2
Key figures
Technical specifications
| General | |
|---|---|
| Type (source) | Ground source1 |
| Performance | |
| Rated output 35 °C | 16 kW2 |
| Rated output 55 °C | 16 kW2 |
| Efficiency | |
| SCOP (35 °C) | 5.12 |
| SCOP (55 °C) | 3.932 |
| Seasonal efficiency ηs 35 °C | 201 %2 |
| Seasonal efficiency ηs 55 °C | 154 %2 |
| Energy label 35 °C | A+++2 |
| Energy label 55 °C | A+++2 |
| Noise | |
| Indoor unit sound power | 40 dB(A)2 |
| Refrigerant | |
| Refrigerant | R407C1 |
| Refrigerant GWP | 1,7741 |
| Refrigerant charge | 2.2 kg1 |
How it ranks
SCOP (35 °C): better than 43% of comparable models in our database (Heat pumps · Ground source · ≥ 14 kW; n = 123).
Rank 70 of 124
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.
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:
- EcoPart 616M
- EcoPart i616M
Similar models
Other brands, same type and a comparable size.
More from CTC
- CTC GSi 616 SCOP (35 °C): 5.23
- CTC EcoPart 414 1x230V SCOP (35 °C): 4.6
- CTC EcoPart 417 1x230V SCOP (35 °C): 4.7
- CTC EcoPart 412 1x230V SCOP (35 °C): 4.8
- CTC GSi 612 F101-1 1x230V SCOP (35 °C): 4.91
- CTC EcoPart 410 1x230V SCOP (35 °C): 4.7
How we collect and check this data →
Frequently asked questions
Sources
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed Sep 29, 2026
- European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed Oct 15, 2026