Emerald’s All-In-One Pro uses a DC inverter compressor, so it can boost and run a quieter silent mode without relying on an element. Models without the element plug into a normal power point.
Key facts
| Feature | Detail |
|---|---|
| Refrigerant | R290 (propane), GWP 3 |
| Efficiency | COP 4.9 (220 L), 4.8 (270 L), 5.2 (320 L) in standard mode, at 20 °C air heating 15 to 55 °C |
| Operating range | -7 °C to 43 °C without the element; -15 °C to 43 °C with it |
| Noise | 49 dB(A) at 1 m in standard mode; 45 dB(A) in silent mode |
| Tanks | 220, 270 and 320 L enamelled steel |
| Recovery | 58 L/hr standard; 75 L/hr boost, or 108 L/hr with the element |
| Install | One piece; models without the element plug in |
| Smart control | Built-in Wi-Fi; Solar Soaker in the app uses spare solar |
| Warranty | Tank 7 years (8 if registered); system and labour 5 years |
Models
| Model | Tank | Heat pump | Notes |
|---|---|---|---|
| EE-HWS-A1-220 / 220E | 220 L | R290 inverter; E adds a 1.6 kW element | COP 4.9; 118 kg |
| EE-HWS-A1-270 / 270E | 270 L | R290 inverter; E adds a 1.6 kW element | COP 4.8; 132 kg |
| EE-HWS-A1-320 / 320E | 320 L | R290 inverter; E adds a 1.6 kW element | COP 5.2; 154 kg |
Warranty
Emerald’s October 2026 warranty gives the All-In-One Pro, in a home, 7 years on the tank (8 if you register it), 5 years on the rest of the system, 1 year on ancillary parts and 5 years’ labour, from the date of installation. Where a Solar Victoria rebate was paid on an install from 1 July 2023, every part has at least 5 years. Freight isn’t covered unless pre-authorised.
Support in Australia
Emerald is Australian-owned and runs an Australian sales and technical support team; claims go to your installer first.
Strengths
- Plug-in models don’t need an electrician
- Inverter boost and a quieter silent mode
- 5 years’ labour, and 7 to 8 years on the tank
- Built-in Wi-Fi with a mode for spare solar
Watch for
- Louder than the CO2 units, at 49 dB(A) in standard mode
- Needs the element model below -7 °C
- Emerald doesn’t say where it’s made
Our take
For a simple swap from an old electric tank, the All-In-One Pro is easy to install, efficient on paper and well covered on labour. In a cold area, choose an E model with the element.
Before you buy
- Check the exact model is on the Clean Energy Regulator’s register, which sets its STCs, and, in Victoria, eligible for the Solar Victoria rebate if you want it.
- Plan where it goes. A heat pump needs airflow and makes some noise, so keep it away from bedroom windows and your neighbours’ fence.
- Ask about your water. Warranties can exclude very hard or salty water, and unfiltered bore or rain water, so check yours is covered.
- Compare quotes from hot water retailers near you, and read heat pump vs solar hot water.
Sources
Specifications and warranties change. We use the manufacturer’s own documents and say when one isn’t published; check the current version with your installer before you sign.