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Dux Heat Pump Hot Water in St James, WA

AustraliaAustralian MadeClimate Zone 5

Looking at a Dux heat pump for your St James home? Installed pricing for Dux in WA ranges from $3,300 - $3,850 before rebates, with an estimated $2,600 - $3,350 after all available Western Australia rebates and federal STCs are applied. victorian households chasing the higher locally made rebate tier, and anyone who wants an Australian-built tank.

Dux's pricing of $3,300 - $3,850 aligns closely with the local average of $2,800 - $5,300, offering a solid balance of performance and value.

This climate zone offers good year-round heat pump performance. Moderate winters mean only a small seasonal efficiency drop. Most standard heat pump models will perform to specification.

$3,300 - $3,850
Before rebates
$2,600 - $3,350
After rebates (est.)
4.23
COP (efficiency)
7yr
Max warranty

Dux Models Available

Dux Ecosmart 200DHC25 (200L)

$3,300 - $3,600
installed, before rebates
Capacity
200L
COP
4.23
Running cost
~$280/yr
STC rebate value (zone 3)
~$600
Suitable for
2-3 person household
Noise
Not published
Dimensions
1580x620x620mm
Weight
90kg

Estimated cost in St James after rebates: $2,600 - $3,100

Dux Ecosmart 300DHC25 (285L)

$3,500 - $3,850
installed, before rebates
Capacity
285L
COP
4.63
Running cost
~$256/yr
STC rebate value (zone 3)
~$600
Suitable for
4-6 person household
Noise
Not published
Dimensions
2005x620x620mm
Weight
125kg

Estimated cost in St James after rebates: $2,800 - $3,350

Dux Ecosmart Pro-Series 270DHB36 (270L)

$3,500 - $3,800
installed, before rebates
Capacity
270L
COP
4.7
Running cost
~$252/yr
STC rebate value (zone 3)
~$600
Suitable for
3-5 person household
Noise
Not published
Dimensions
2010x640x640mm
Weight
114kg

Estimated cost in St James after rebates: $2,800 - $3,300

How Dux Performs in St James's Climate

ExcellentClimate Zone 5 | R290 refrigerant

Dux's R290 system handles climate zone 5's moderate conditions with ease. You'll see near-optimal COP performance throughout the year, with only minor dips during the coolest winter mornings.

Pros

  • The Ecosmart DHC range is designed and manufactured in Australia
  • On the Solar Victoria locally made list, so it earns the higher Victorian rebate tier
  • 7-year tank warranty
  • Y-class commercial enamel tank with dual anodes
  • Published COP of 4.63 on the 285L

Cons

  • Dux publishes no sound level for any Ecosmart model, so you cannot compare it on noise
  • Only 3 years on the heat pump components, and 1 year on everything else
  • The Pro-Series makes no Australian-made claim and is not on the locally made list
  • The model sold as 300DHC25 holds 285L, not 300L
  • No minimum operating temperature published for the DHC range

Available Rebates for Dux in St James

Federal

Small-scale Technology Certificates (STCs)

Applied as a point-of-sale discount by your installer. Value varies by system type and climate zone.

$500 - $700
estimated value

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All brand costs in St JamesFull Dux review

Heat pump guides for Western Australia

Dux in St James - Frequently Asked Questions

How much does a heat pump hot water system cost in St James?
A heat pump hot water system in St James costs between $2,300 and $4,600 fully installed after all available rebates. Before rebates, expect to pay $2,800 to $5,300. The final price depends on the brand, tank size, and complexity of your installation.
What rebates are available for heat pump hot water in St James?
St James residents can access federal Small-scale Technology Certificates (STCs) worth $500-$700 as a point-of-sale discount. These rebates are typically applied by your installer at the point of sale.
Are heat pumps efficient in St James's climate?
St James has a warm temperate climate with moderate seasons. This climate zone offers good year-round heat pump performance. Moderate winters mean only a small seasonal efficiency drop. Most standard heat pump models will perform to specification. A typical household of 3-4 people will spend $200-$400 per year running a heat pump, compared to $800-$1,200 for gas or $1,200-$1,800 for electric storage.
How long does a heat pump installation take in St James?
A standard heat pump hot water installation in St James takes 3-5 hours for a straightforward replacement. If you're converting from gas, it may take a full day as the installer needs to connect new electrical circuits and potentially modify plumbing. Metro installers typically have availability within 1-2 weeks.
What size heat pump do I need for my St James home?
For St James in climate zone 5: 1-2 people need a 150-170L tank, 3-4 people need a 250-315L tank, and 5+ people should consider a 315-400L tank. Your warmer climate means the heat pump recovers quickly, so standard sizing works well.
Which heat pump brand is best for St James?
St James sits in climate zone 5, where all major brands perform well. For best value, iStore or Rheem offer competitive pricing with reliable performance. For premium quality, Sanden (best efficiency, CO2 refrigerant) or Daikin (10-year warranty, cold weather champion) are worth the extra investment. Rinnai has the widest installer network in metro areas, making service convenient.
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