At a Glance: Emerald Energy All-in-One EE-HWS-A1-270L
$ Price: The Emerald All-In-One heat pump is priced under $2,500, positioning it as one of the most cost-effective units available, especially when factoring in available rebates.
- Company Backing and Trustworthiness: Emerald has a physical office in Truganina, VIC and has been operating in Australia since 2006. The brand is also diversified beyond heat pumps, offering smart meters, EV chargers and air conditioning solutions. Based on our scoring system, Emerald receives 5 points in this category.
- Warranty Offer: Emerald provides a 5-year system warranty and 2 years labour and service coverage. While this warranty meets industry standards, it falls short of the extended tank or parts coverage offered by some competitors. We score this warranty offer 3 points.
- Customer Reviews: Based on verified reviews through Solar Choice’s independent platform, Emerald heat pumps have received very positive customer feedback including 25+ five-star reviews. This earns them 5 points.
- Functionality: Emerald includes Wi-Fi control, an LCD display, and 3 programmable on/off timer schedules. The heat output exceeds 10W per litre in all models, meeting our performance criteria. However, the units operate at 49 decibels in standard mode which is slightly louder than our <45 dBA benchmark. This earns them 4 points.
Emerald Energy – Company Background
Emerald Energy Heat Pump Model and Ranges
Emerald Energy Split Systems
Key Features of Split Systems:
- Energy-Efficient Design: Microchannel heat exchanger in the tank for improved efficiency.
- Optional Built-In Electric Heater: Available for faster heating and continuous hot water supply in cold weather.
- Blue Diamond Enamel Tank: Smooth material surface, reducing dust adhesion.
- Anti-Legionella Function: Provides automatic or manual disinfection modes.
- Split System Design: Allows the water tank to be placed close to the usage point, with the outdoor unit positioned away from living areas to minimise noise impact.
Emerald Energy All-In-One Systems
Emerald Energy All In One Heat Pump Key Features
- DC Inverter Technology: Inverter technology is more efficient at heating water than the alternative induction approach which is used by many other heat pumps on the market.
- Wi-Fi Enabled: The heat pump can be controlled and configured via the Emerald app.
- Eco-Friendly Refrigerant: Uses R290 (Propane) refrigerant with a low Global Warming Potential (GWP) of 3. This is much better than some cheaper models on the market which use R134A refrigerant with a GWP 1,430.
- Silent Mode: The normal operation of the heat pump is rated at 49DB making it one of the noisiest heat pumps on the market. They do feature a ‘silent model’ where the heat pump will heat water slower to reduce the sound. At a rating of 45DB it will remain far from silent.
- Modern Design: Compact and stylish design that fits into contemporary home environments.
How much do Emerald Energy All In One Heat Pumps Cost?
Emerald Energy Heat Pump Warranty Terms
| Component | All-In-One Systems | Split Systems |
| Tank | 5 years parts only | 7 years parts only |
| Heat Pump Unit Components | 5 years parts only | 5 years parts only |
| Labour for Tank | 2 years labour only | 2 years labour only |
| Labour for Heat Pump Components | 2 years labour only | 2 years labour only |
- Tank Parts: 5 years
- Other System Parts: 5 years (includes the heat pump unit, compressor, control board/electronics, fan motor, and magnesium anode)
- Tank Parts: 7 years
- Other System Parts: 5 years (includes the heat pump unit, compressor, control board/electronics, fan motor, and magnesium anode)
- All Models: 2 years of labour warranty for both the tank and other system parts
Pros and Cons of Emerald All-In-One Heat Pump
Pros
- Affordable upfront cost
Emerald’s models are priced under $2,500, making them one of the more budget-friendly heat pumps that still qualify for federal and state rebates. - All-in-one design simplifies installation
Because the tank and compressor are integrated into one unit, installation can be faster and less complex than split systems — especially where space or access is limited. - Built-in Wi-Fi and LCD control
All models come with smart control via the Emerald app, plus an on-unit LCD display. You can monitor or adjust the system remotely and set schedules. - 3 programmable timers
Offers flexibility to schedule heating around your solar output or off-peak tariffs — a useful feature not found in all budget systems. - R290 refrigerant
Uses a low-GWP refrigerant (GWP = 3), aligning with current environmental standards and future regulatory trends. - Available in 220L, 270L, and 320L sizes
Covers a wide range of household sizes (from 1–6+ people), with optional electric boosters for colder climates or higher demand.
Cons
- Above-average noise rating
All models are rated at 49 dBA, which is higher than some quieter alternatives. This may be noticeable if installed near bedrooms, living areas, or windows. - Mid-tier warranty coverage
The system comes with 5 years warranty on parts and 2 years on labour. While standard, this is shorter than the 7–10 years offered by some premium brands, and no breakdown is provided for individual components like the compressor or tank. - No split system available
Buyers who prefer to separate the compressor and tank — often for indoor installation flexibility or quieter operation — won’t find that option in Emerald’s range. - Lower heating performance in larger models
Heating power per litre drops in the 320L unit (~8.4 W/L), which may mean slower recovery times compared to the smaller 220L and 270L models. - Lack of extended component protection
Unlike some competitors, Emerald doesn’t publish extended tank or compressor warranties, which may concern buyers looking for long-term assurance.
Are Emerald Energy All In One Heat Pumps Worth It?
The main considerations for buyers relate to the system’s 49 dBA noise level — which may not suit every installation location — and the warranty coverage, which is standard (5 years on parts, 2 years on labour) but not among the longest in the market. Component-level warranty details are also not publicly broken out.
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Reviews from Australians who have installed Emerald Energy Heat Pumps
I don't know much about the Brands, but it's working and I'm happy with it
Never heard of this brand before but had good reviews on internet
Unit works as it should and we always have hot water.
Installation Photos
Noise 49db we thought noisy but reasonable quiet. App works well and timer helps to control on-off. Only one future enhancement request 1.Change default temperature Currently the system locked 60 degrees standard mode. Sometime we wish to change the temperature.
Installation Photos
Review left 9 years after system installed
Yes very happy Installers very informative and helpful
Review left 2 years after system installed
Larger unit than my old gas one but is appropriate for a household of 3
Installation Photos
Seemed to be the best value for money of its competitors. My only negative is the app is very poor.
Wifi works. App seems easy to use with the smart scheduling being intuitive. Would like to see native integration with Home Assistant in the future for both the heat pump and live link. Fingers crossed. It would have been 5 stars had this integration already been done.
Heat pump looks OK - fairly silent. Haven't had the equipment long enough to compare the electricity vs gas bill.
Installation Photos
Very quiet. Useful app. Value for money.
Installation Photos
Good finished product works well I can’t fault anything easy to operate and can control features on my mobile
Looks great and good features. Went with this brand on the installers' recommendation and very happy with it.
Installation Photos
The pump is fine. Customer service dreadful
Very noisy, cannot leave the window a bit open at night. Visitors complain about the noise and proximity to the bedroom window. Cheer stuff from China
Installation Photos
I lovebit I use to burn my hands on hot boiling water from my tape I love Emerald hot water pump because it's not boiling hot It's quiet The app is easy to use .
No complaints so far, but it’s only been a couple of weeks.
Large unit, bigger than expected, a little noisier but overall it’s a well presented unit, early days but so far works very well and very happy with the installation
The pump worked great. It failed after 18 months but was immediately replaced under warranty. Cannot complain although I would like to know why it failed.
Very happy with the unit and installation
Review left 10 years after system installed
I like the fact that user can control the system from their phone however noticed that you can not use bluetooth only connection option and have to have Access point or router with active internet connection to use the mobile control features. Overall happy with my system installed
Installation Photos
