HeatPump23 HeatPump Plug and Play L
The HeatPump23 HeatPump Plug and Play L is an air-to-water heat pump with a SCOP of 4.48 (35 °C) and a sound power level of 55 dB(A). In Ireland a heat pump is exempt from planning permission if it stays below 43 dB(A) (or 5 dB(A) above background noise, if higher), measured at the nearest neighbouring inhabited dwelling. Free-standing, the indicative minimum distance is 1.6 m; against a wall 2.2 m.1,2
Key figures
Rules in Ireland
Minimum distance to your neighbour
Planning and Development (Exempted Development) Regulations 2026 (S.I. No. 342 of 2026)3 · nearest neighbouring inhabited dwelling
Indicative calculation (hemispherical, no barriers). Your installer must confirm the noise level at the nearest neighbouring dwelling.
SEAI Heat Pump System Grant
Check conditions€14,5004Maximum 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.5
- 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) | Air-to-water1 |
| Compressors | 11 |
| Capacity control | Inverter1 |
| Performance | |
| Rated output 35 °C | 8 kW2 |
| Rated output 55 °C | 7 kW2 |
| Efficiency | |
| SCOP (35 °C) | 4.482 |
| SCOP (55 °C) | 3.332 |
| Seasonal efficiency ηs 35 °C | 176 %2 |
| Seasonal efficiency ηs 55 °C | 130 %2 |
| Energy label 35 °C | A+++2 |
| Energy label 55 °C | A++2 |
| COP A7/W35 | 4.571 |
| COP A2/W35 | 4.451 |
| COP A-7/W35 | 3.441 |
| Noise | |
| Outdoor unit sound power | 55 dB(A)2 |
| Refrigerant | |
| Refrigerant | R321 |
| Refrigerant charge | 1.5 kg1 |
| Electrical | |
| Max. power input | 3 kW1 |
| Connectivity & smart | |
| SG Ready | Yes1 |
How it ranks
SCOP (35 °C): better than 10% of comparable models in our database (Heat pumps · Air-to-water · 8–10 kW; n = 171).
Rank 151 of 172
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.
Similar models
Other brands, same type and a comparable size.
More from HeatPump23
- HeatPump23 HeatPump Plug and Play S SCOP (35 °C): 4.48
How we collect and check this data →
Frequently asked questions
Do I need planning permission for the HeatPump23 HeatPump Plug and Play L in Ireland?
Not if it meets the exempted-development conditions (Planning and Development (Exempted Development) Regulations 2026 (S.I. No. 342 of 2026)): no more than 43 dB(A) at the nearest neighbouring inhabited dwelling, or 5 dB(A) above background noise if that is higher. With a sound power of 55 dB(A) that indicatively means 1.6 m free-standing, 2.2 m against a wall or 3.2 m in a corner. Ask your SEAI-registered installer to confirm.1,2
How much SEAI grant can you get for the HeatPump23 HeatPump Plug and Play L?
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 27 Sept 2026
- European Product Registry for Energy Labelling (EPREL) – heat pumps — Europese Commissie · accessed 15 Oct 2026
- Planning and Development (Exempted Development) Regulations 2026 (S.I. No. 342 of 2026)
- Heat Pump System Grants — SEAI · accessed 4 Oct 2026
- Heat pump heating system (VAT) — Revenue · accessed 4 Oct 2026