Tecalor TTC 6.6
The Tecalor TTC 6.6 is a heat pump with SCOP (35 °C) 5.08 and refrigerant R454C.1,2
Key figures
Rules in Ireland
SEAI Heat Pump System Grant
Check conditions€14,5003Maximum for a house, incl. €2,000 boiler scrappage
Up to €14,500 for a house (€11,500 for an apartment), including a €2,000 boiler scrappage grant when an oil, gas, solid-fuel or storage-heater system is removed. Homes built before 2007 need a technical assessment (€200 grant) unless the BER shows a Heat Loss Indicator of 2.3 or less. Installation is charged at 9% VAT.4
- The heat pump must be listed on SEAI's Home Appliance Register of Performance (HARP) and installed by an SEAI-registered contractor.
- Home built and occupied before 2021, with an MPRN; grant approval before any work starts and a BER assessment afterwards.
Technical specifications
| General | |
|---|---|
| Type (source) | Ground source1 |
| Compressors | 11 |
| Capacity control | drehzahlregelung1 |
| Performance | |
| Rated output 35 °C | 7 kW2 |
| Rated output 55 °C | 6 kW2 |
| Efficiency | |
| SCOP (35 °C) | 5.082 |
| SCOP (55 °C) | 4.052 |
| Seasonal efficiency ηs 35 °C | 200 %2 |
| Seasonal efficiency ηs 55 °C | 159 %2 |
| Energy label 35 °C | A+++2 |
| Energy label 55 °C | A+++2 |
| Noise | |
| Indoor unit sound power | 43 dB(A)2 |
| Refrigerant | |
| Refrigerant | R454C1 |
| Refrigerant charge | 2.2 kg1 |
| Electrical | |
| Max. power input | 2.8 kW1 |
| Connectivity & smart | |
| SG Ready | Yes1 |
How it ranks
SCOP (35 °C): better than 63% of comparable models in our database (Heat pumps · Ground source · 6–8 kW; n = 38).
Rank 12 of 39
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 3 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:
- TTC 6.6
- TTF 6.6 — Indoor unit sound power: 41 dB(A)
- TTF 6.6 cool — Indoor unit sound power: 41 dB(A)
Manufacturer documentation
External links to Tecalor's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Similar models
Other brands, same type and a comparable size.
More from Tecalor
- Tecalor THZ 7.1 IBC topline SCOP (35 °C): 4.15
- Tecalor THZ 7.1 IC flex topline SCOP (35 °C): 4.2
- Tecalor TTF 7.1 comfort SCOP (35 °C): 5.08
- Tecalor TTL 6.5 ACS SCOP (35 °C): 4.5
- Tecalor TTC 7.5 SCOP (35 °C): 4.85
- Tecalor TTC 8.6 SCOP (35 °C): 5
How we collect and check this data →
Frequently asked questions
How much SEAI grant can you get for the Tecalor TTC 6.6?
Up to €14,500 with the SEAI Heat Pump System Grant, including €2,000 boiler scrappage when an oil, gas, solid-fuel or storage-heater system is removed (€11,500 for an apartment). The home must be built and occupied before 2021, the heat pump must be on SEAI's HARP register and you need grant approval before work starts.1,2
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 18 Oct 2026
- European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
- Heat Pump System Grants — SEAI · accessed 4 Oct 2026
- Heat pump heating system (VAT) — Revenue · accessed 4 Oct 2026