The Envirosun HP Plus 330L ES330M9 is a high-efficiency air-source heat pump hot water system designed for larger Australian households. It features R290 refrigerant, 10A plug installation, solar-ready operation, quiet performance and up to 73% cheaper running costs compared to electric hot water.
Best for smaller homes
Classic option
Best for larger homes
The Envirosun HP Plus draws ambient heat from the surrounding air and transfers it into the water tank, helping deliver efficient hot water while reducing power consumption.
With ECO mode, smart boost, automatic sanitation, anti-freeze protection and solar-ready operation, the ES330M9 is built for reliable everyday performance.
High-efficiency performance at 20°C ambient conditions.
Compatible with rooftop solar systems and daytime heating.
Low 42dB(A) sound pressure level at 2 metres.
Superior corrosion protection for lasting performance.
| Specification | Details |
|---|---|
| Product | Envirosun HP Plus M9 330L |
| Model | ES330M9 |
| Total Water Capacity | 330L |
| Rated Voltage / Frequency | 220–240V / 50Hz |
| Tank Max Pressure | 850kPa |
| Corrosion Protection | Magnesium Rod / Triple Anodes |
| Waterproof Grade | IPX4 |
| Electric Element Input | 1500W |
| Rated Heat Pump Input | 820W |
| Maximum Heat Pump Input | 1500W |
| Average Heating Capacity | 3300W |
| Default Temperature | 60°C |
| Temperature Range with Heater | 60°C – 75°C |
| Refrigerant | R290 / 0.47kg |
| COP | 4.04 @ 20°C |
| Sound Pressure Level | 42dB(A) @ 2m |
| Ambient Operating Range | -7°C to +45°C |
| Connections | Rp ¾" |
| Product Dimensions | 710 × 740 × 1923mm |
| Packed Dimensions | 745 × 745 × 2263mm |
| Net / Gross Weight | 119kg / 148kg |
| Filled Weight | 449kg |
|
Warranty |
Tank cylinder 10 years Compressor 10 years Electrics (element) 1 year Sacrificial anode, PTR valve, ECV 1 year |
The HP Plus is designed for everyday energy savings with smart operating modes and timer control.
Designed to cost up to 73% less than standard electric hot water.
Advanced coil technology provides superior heat transfer.
Periodic heat cycle helps protect against bacteria like legionella.
Easy installation with standard 10A plug and no hard wiring required.
| Component | Parts Warranty | Labour Warranty |
|---|---|---|
| Tank Cylinder | 10 Years | 2 Years |
| Compressor | 10 Years | 2 Years |
| Electrics / Element | 1 Year | 1 Year |
| Sacrificial Anode, PTR Valve, ECV | 1 Year | 1 Year |
Ambient air is drawn into the heat pump unit.
The refrigerant absorbs heat from the surrounding air.
The micro-channel condenser heats the stored water.
Hot water is stored inside the insulated 330L tank.
Your household receives reliable hot water daily.
Share your household hot water needs.
We confirm space, base and system suitability.
Licensed installers complete the setup.
Get guidance for available rebates.
Start using efficient hot water.
Yes. The 330L model is designed for larger households with higher hot water demand.
The model number is ES330M9.
It uses R290 refrigerant with a charge of 0.47kg.
The sound pressure level is 42dB(A) at 2 metres.
Yes. It is compatible with rooftop solar systems and ECO daytime operation.
The residential warranty includes 10 years on the tank cylinder and compressor parts, with 2 years labour warranty.
Get reliable, solar-friendly and energy-efficient hot water for your Australian home.
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