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Quantum Heat Pump Hot Water in Kialla, VIC

AustraliaClimate Zone 5

Looking at a Quantum heat pump for your Kialla home? Installed pricing for Quantum in VIC ranges from $3,250 - $4,450 before rebates, with an estimated $1,920 - $3,750 after all available Victoria rebates and federal STCs are applied. small households needing a 150L or 200L tank, and anyone outside Victoria who wants a long-established Australian brand.

Quantum is priced below the local average of $3,900 - $6,100, making it one of the most affordable options for households in this area. Combined with available rebates, out-of-pocket costs can be very competitive.

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.

$3,250 - $4,450
Before rebates
$1,920 - $3,750
After rebates (est.)
4.3
COP (efficiency)
5yr
Max warranty

Quantum Models Available

Quantum 150L (150-08AC6-290)

$3,250 - $3,400
installed, before rebates
Capacity
150L
COP
4.3
Running cost
~$275/yr
STC rebate value (zone 4)
~$600
Suitable for
1-2 person household
Noise
50dB
Dimensions
1620x540x540mm
Weight
100kg

Estimated cost in Kialla after rebates: $1,920 - $2,700

Quantum 200L (200-08AC6-290)

$3,300 - $3,500
installed, before rebates
Capacity
200L
COP
4.3
Running cost
~$275/yr
STC rebate value (zone 4)
~$600
Suitable for
2-3 person household
Noise
50dB
Dimensions
1950x540x540mm
Weight
115kg

Estimated cost in Kialla after rebates: $1,970 - $2,800

Quantum 270L (270-08AC6-290)

$3,500 - $3,900
installed, before rebates
Capacity
270L
COP
4.53
Running cost
~$261/yr
STC rebate value (zone 4)
~$640
Suitable for
3-5 person household
Noise
48dB
Dimensions
1900x650x650mm
Weight
135kg

Estimated cost in Kialla after rebates: $2,170 - $3,200

Quantum 340L (340-08AC6-290)

$4,000 - $4,450
installed, before rebates
Capacity
340L
COP
4.53
Running cost
~$261/yr
STC rebate value (zone 4)
~$640
Suitable for
4-6 person household
Noise
48dB
Dimensions
2200x650x650mm
Weight
170kg

Estimated cost in Kialla after rebates: $2,670 - $3,750

How Quantum Performs in Kialla's Climate

ExcellentClimate Zone 5 | R290 refrigerant

Quantum'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.

Noise Levels in a Regional Area

At 50dB, Quantum produces moderate noise. In a regional area, the extra distance between properties means noise is less of a concern than in metro locations.

Pros

  • Four tank sizes from 150L to 340L, the widest range here
  • A 150L option, which almost no other brand offers
  • Australian company with a manufacturing facility at Seaford, South Australia
  • Propane (R290) across the range
  • On the register since 2014, so the models have a long track record

Cons

  • Not on the Solar Victoria product list at all, so a Quantum does not qualify for the Victorian hot water rebate
  • Only 2 years on the electrical and refrigeration parts, the shortest here
  • Quantum publishes no labour warranty term
  • The product pages and the 270L data sheet disagree on the minimum operating temperature (-10C against -15C)
  • 50 dB on the 150L and 200L

Available Rebates for Quantum in Kialla

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
State

Solar Victoria Hot Water Rebate

Victorian owner-occupiers: 50% of the purchase price up to $1,000, or up to $1,400 for an eligible locally made system. Combined household taxable income under $150,000 (reduced from $210,000 on 1 July 2026), property value under $3 million, replacing a system at least 3 years old, using a Solar Victoria registered installer. Stacks with the VEU discount and federal STCs.

Not claimable on a Quantum: it is not on Solar Victoria's approved product list.

$1,000 - $1,400
estimated value
Certificate

Victorian Energy Upgrades (VEU) Certificates

All Victorian households. A variable point-of-sale discount funded by energy-saving certificates (VEECs), currently up to around $630 depending on the certificate price. Stacks with the Solar Victoria rebate.

$200 - $630
estimated value

Victoria Gas Ban Affects Kialla

From 1 March 2027, if the gas hot water system in an existing owner-occupied home breaks and cannot be repaired, it must be replaced with an electric alternative; in a rental it must be replaced with a heat pump water heater. Repairs are still allowed and exemptions exist. From 1 January 2027, new homes must be built all-electric.

With 58% of Kialla homes connected to gas, switching to a Quantum heat pump now locks in current rebate levels and avoids the rush as the deadline approaches.

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All brand costs in KiallaFull Quantum review

Heat pump guides for Victoria

Quantum in Kialla - Frequently Asked Questions

How much does a heat pump hot water system cost in Kialla?
A heat pump hot water system in Kialla costs between $2,300 and $4,500 fully installed after all available rebates. Before rebates, expect to pay $3,900 to $6,100. The final price depends on the brand, tank size, and complexity of your installation.
What rebates are available for heat pump hot water in Kialla?
Kialla residents can access federal Small-scale Technology Certificates (STCs) worth $500-$700 as a point-of-sale discount. Additionally, Victoria offers: Solar Victoria Hot Water Rebate ($1,000-$1,400), Victorian Energy Upgrades (VEU) Certificates ($200-$630). These rebates are typically applied by your installer at the point of sale.
Are heat pumps efficient in Kialla's climate?
Kialla 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 does the Victoria gas ban affect Kialla?
From 1 March 2027, if the gas hot water system in an existing owner-occupied home breaks and cannot be repaired, it must be replaced with an electric alternative; in a rental it must be replaced with a heat pump water heater. Repairs are still allowed and exemptions exist. From 1 January 2027, new homes must be built all-electric. With 58% of Kialla homes connected to gas, this affects a significant number of households. The ban takes effect in approximately 5 months. Planning your switch to a heat pump now lets you choose the best system and installer on your timeline.
How long does a heat pump installation take in Kialla?
A standard heat pump hot water installation in Kialla 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. Regional installations may require scheduling 2-4 weeks ahead.
What size heat pump do I need for my Kialla home?
For Kialla 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 Kialla?
Kialla 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. In regional areas, Rheem and Rinnai have the broadest service networks.
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