At a Glance: Dux Ecosmart Hot Water Heat Pump Scores 2.25 of 5
Scoring is based on our heat pump scorecard which is consistently applied to each brand and heat pump on the Australian market.
Price — $$$:
Dux Ecosmart models typically fall in the mid-range category ($3,300–$4,100). This positions them as competitively priced, though not among the most affordable on the market.
- Company Backing and Trustworthiness — 4/5: Dux is a well-established Australian brand with a physical presence and long history in the hot water sector. It is backed by Noritz, a large Japanese manufacturer, and is diversified across multiple water heating technologies.
- Warranty Offer — 1/5: With 5 years parts and labour on the tank and refrigeration components and 1 year parts and labour on other components. That is reasonable coverage on major parts, but less competetive than stronger whole-of-system warranty offers.
- Customer Reviews — 0/5: At the time of writing, there are no verified Solar Choice customer reviews for Dux heat pumps, so the brand receives 0 points in this category under the Solar Choice scorecard.
- Functionality — 4/5: Dux Ecosmart offers strong heating performance at 13.3 watts per litre, well above the 10W/L benchmark. It includes 2 programmable timers and an LCD controller, but there is no confirmed Wi-Fi/app control and no official published noise rating. This earns 4 points for functionality.
Please note that the Solar Choice scorecard reflects our opinions only. Customers are encouraged to do their own research.
Company Background
Dux Ecosmart Heat Pump Models
Dux currently offers two all-in-one heat pump water heater models in Australia, both part of their Ecosmart Pro Series range. These systems combine a built-in storage tank with an integrated heat pump module, eliminating the need for separate components or split installations.
Ecosmart Pro Series (270DHB36 & 270DHB36P)
Both Dux models come with a 270-litre storage tank, making them suitable for households with 2–4 people, depending on hot water usage patterns and climate conditions.
The main difference between the two models lies in the size of the electric boost element:
- 270DHB36 includes a 2.4kW electric element, which supports faster recovery when needed.
- 270DHB36P includes a 1kW element, designed for homes with more limited electrical capacity or where a lower current draw is preferred.
These heat pumps use R290 (propane) refrigerant, which is more environmentally friendly than older refrigerants but requires careful installation by a licensed technician due to its flammability rating.
Key specifications and design features include:
- Heating capacity of 3.6kW (via heat pump)
- 13.3 watts of heating per litre, indicating above-average efficiency for this tank size
- Two programmable timer schedules that allow homeowners to tailor operation to off-peak tariffs or usage patterns
- Built-in digital display and controller for managing modes such as heating, vacation, and boost
- Outdoor installation only, with a required clearance around the unit for airflow and servicing
While the product includes a smart LCD interface with icons for Wi-Fi, there is currently no dedicated app or remote access platform documented in official materials. Additionally, no dBA noise rating is published, meaning homeowners should be cautious about placement near bedrooms or neighbouring residences.
Dux Ecosmart Heat Pump Cost
There are two main models in the range:
- The 270DHB36 (with a 2.4kW electric element)
- The 270DHB36P (with a 1kW electric element for lower electrical draw)
Dux Ecosmart Warranty Offer for Australian Customers
Dux warranty periods vary depending on the part and application type (residential or other).
Residential Application Warranty Periods
| Component | Parts Coverage | Labour Coverage |
|---|---|---|
| Hot water tank (storage) | 5 years | 5 years |
| Compressor & refrigeration | 5 years | 5 years |
| Other components (e.g. valves, sensors, heating elements) | 1 year | 1 year |
Note: For ‘non-residential’ applications tank and refrigeration component coverage reduces to 3 years parts and 1 year labour, while other components remain covered for 1 year parts and labour.
Dux’s warranty section includes detailed exclusions, including water quality limitations (TDS and pH thresholds), improper installation, and the unit being tilted more than 30 degrees. It’s important for customers to review these conditions, especially if living in areas with hard water or high mains pressure.
You can find the full Dux warranty conditions and exclusions at the end of their owner’s manual.
Pros and Cons of Dux Ecosmart Heat Pumps
Pros
- Backed by a well-established Australian brand with local offices and long-term presence in the hot water industry
- Solid heating performance, delivering 13.3 watts per litre—well above the minimum efficiency benchmark. Fast recovery on your hot water is important for high usage hole-holds.
- Dual timer settings and LCD interface allow for scheduling and operational control
- Uses R290 refrigerant, a low-GWP gas that improves efficiency and environmental performance
Cons
- No published noise rating, which makes it difficult for buyers to assess suitability for quiet areas or small blocks
- Lacks smart app control, despite Wi-Fi symbols on the display—remote functionality is not confirmed or supported
- Warranty for minor components is limited to 1 year, which may not cover some common failure points after year one
- No valid solar choice customer feedback. If consumer experience is important to you then we advise you research this further.
Verdict / Are Dux Ecosmart Heat Pumps Worth It?
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