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Hotjet ONE2 Heat Pump
- Type: Air-to-water
- Output: 30–40 kW
- Installation: Outdoor or indoor
- Regulation: On/off (no inverter)
- Operation: Heating, cooling, DHW
- Control: SIEMENS
HOTJET ONE2 – high output for large buildings
When you need more than 25 kW, the ONE2 delivers. On/off control (no inverter) – simple, proven technology for larger heating systems. Variants from 25 to 45 kW, cascade up to 16 units combined.
The ONE2 installs outdoors or indoors. Monoblock design – no split, no field refrigerant piping.
Why ONE2
- 25–45 kW – from large family houses to apartment buildings and commercial properties
- On/off control – simple, reliable, field-proven
- Cascade up to 16 units – hundreds of kW from a single system
- EVI injection – higher output even at low ambient temperatures
- Outdoor or indoor installation – depending on building layout
Power Variants
| Model | Heat loss | Heating output A7/W35 |
|---|---|---|
| ONE2-25 | up to 30 kW | 30 kW (COP 4.3) |
| ONE2-35 | up to 35 kW | 33.6 kW (COP 4.58) |
| ONE2-45 | up to 40 kW | 40.2 kW (COP 4.42) |
Who is it for
Apartment buildings, schools, office buildings, production halls – anywhere you need reliable output and straightforward maintenance. By cascading units, you can cover buildings with heat losses over 100 kW.
| ONE2 | ONE2 25 | ONE2 35 | ONE2 45 |
|---|---|---|---|
| Compressor | Scroll on/off | ||
| Models | ONE2 25 / ONE2 35 / ONE2 45 | ||
| Suitable for heat losses | up to 30 kW | up to 35 kW | up to 40 kW |
| Heating output / COP A7/W35 | 30 kW / 4.3 | 33.6 kW / 4.58 | 40.2 kW / 4.42 |
| Heating output / COP A2/W35 | 22.2 kW / 3.4 | 28 kW / 3.8 | 33.6 kW / 3.7 |
| Heating output / COP A-7/W55 | 22 kW / 2.1 | 24 kW / 2.2 | 29.2 kW / 2.14 |
| EVI injection | YES | ||
| Cascade connection | Max. 16 heat pumps | ||
| Fan (electronically controlled) | 800 mm | 900 mm | 900 mm |
| Sound power LWA A7/W35 | 71.5 dB | 73.5 dB | 76.5 dB |
| Sound pressure LpA at 5m | 52.5 dB | 54.5 dB | 57.5 dB |
| Energy class 35°C / 55°C | A++/A++ | A++/A+ | A++/A+ |
| Weight | 250 kg | 350 kg | 370 kg |
| Dimensions (w × d × h) | 1620×600×1480 | 1720×700×1680 | 1720×700×1680 mm |
| SVT code for subsidies | 25: SVT6169 | ||
