PumpSwap

Emerald Heat Pump Hot Water in Cairns, QLD

AustraliaClimate Zone 2

Looking at a Emerald heat pump for your Cairns home? Installed pricing for Emerald in QLD ranges from $2,750 - $3,750 before rebates, with an estimated $2,050 - $3,250 after all available Queensland rebates and federal STCs are applied. households wanting a high published efficiency and a long tank warranty without paying split-system prices.

Emerald is priced below the local average of $3,400 - $5,500, 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.

Heat pumps work well in this climate zone but will see some efficiency reduction during cold winter mornings (below 5C). Split system models with CO2 refrigerant (Sanden, Reclaim) maintain better performance in cold conditions than integrated R134a models.

$2,750 - $3,750
Before rebates
$2,050 - $3,250
After rebates (est.)
4.9
COP (efficiency)
7yr
Max warranty

Emerald Models Available

Emerald All-In-One Pro 220L

$2,750 - $3,500
installed, before rebates
Capacity
220L
COP
4.9
Running cost
~$242/yr
STC rebate value (zone 3)
~$640
Suitable for
2-3 person household
Noise
49dB
Dimensions
1598x600x600mm
Weight
118kg

Estimated cost in Cairns after rebates: $2,050 - $3,000

Emerald All-In-One Pro 270L

$3,200 - $3,600
installed, before rebates
Capacity
270L
COP
4.8
Running cost
~$247/yr
STC rebate value (zone 3)
~$640
Suitable for
3-5 person household
Noise
49dB
Dimensions
1826x600x600mm
Weight
132kg

Estimated cost in Cairns after rebates: $2,500 - $3,100

Emerald All-In-One Pro 320L

$3,400 - $3,750
installed, before rebates
Capacity
320L
COP
5.2
Running cost
~$228/yr
STC rebate value (zone 3)
~$640
Suitable for
4-6 person household
Noise
49dB
Dimensions
2105x600x600mm
Weight
146kg

Estimated cost in Cairns after rebates: $2,700 - $3,250

Emerald All-In-One Select 270L

$3,050 - $3,300
installed, before rebates
Capacity
270L
COP
4.41
Running cost
~$269/yr
STC rebate value (zone 3)
~$640
Suitable for
3-5 person household
Noise
50dB
Dimensions
1970x600x600mm
Weight
144kg

Estimated cost in Cairns after rebates: $2,350 - $2,800

How Emerald Performs in Cairns's Climate

ExcellentClimate Zone 2 | R290 refrigerant

Emerald performs exceptionally well in climate zone 2. With warm ambient temperatures for most of the year, the R290 refrigerant system will operate near its rated COP of 4.9. Running costs will be at the lower end of estimates, and you can expect consistent hot water delivery year-round.

Noise Levels in a Regional Area

At 49dB, Emerald produces moderate noise. In a regional area, the extra distance between properties means noise is less of a concern than in metro locations.

Pros

  • Among the cheapest R290 units with a published COP above 4.8
  • Pro series carries a 7-year tank warranty, 8 if you register it
  • Two magnesium anodes on the Pro tank
  • Widely stocked, so quotes are easy to compare
  • Runs on the heat pump alone down to -7C

Cons

  • Manufacturing location is not published
  • Not on the Solar Victoria locally made list, so it earns the lower Victorian rebate tier
  • The Select series drops to a 5-year tank and 2-year labour warranty
  • Emerald quotes 39 to 40 dB from 3 metres on its web pages while the data sheets show 49 to 50 dB at 1 metre, so compare it with other brands at 1 metre

Available Rebates for Emerald in Cairns

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

Compare Other Brands in Cairns

Reclaim Energy
From $6,600
View in Cairns
Sanden
From $6,500
View in Cairns
Rheem
From $3,200
View in Cairns
iStore
From $2,800
View in Cairns
Stiebel Eltron
From $3,500
View in Cairns
Chromagen
From $2,800
View in Cairns
Daikin
From $5,500
View in Cairns
Rinnai
From $3,350
View in Cairns
Midea
From $2,500
View in Cairns
Haier
From $3,000
View in Cairns
Apricus
From $3,000
View in Cairns
Quantum
From $3,250
View in Cairns
Dux
From $3,300
View in Cairns
All brand costs in CairnsFull Emerald review

Heat pump guides for Queensland

Emerald in Cairns - Frequently Asked Questions

How much does a heat pump hot water system cost in Cairns?
A heat pump hot water system in Cairns costs between $2,200 and $4,300 fully installed after all available rebates. Before rebates, expect to pay $3,400 to $5,500. The final price depends on the brand, tank size, and complexity of your installation.
What rebates are available for heat pump hot water in Cairns?
Cairns 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 Cairns's climate?
Cairns has a mild temperate climate with cool winters. Heat pumps work well in this climate zone but will see some efficiency reduction during cold winter mornings (below 5C). Split system models with CO2 refrigerant (Sanden, Reclaim) maintain better performance in cold conditions than integrated R134a models. 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 Cairns?
A standard heat pump hot water installation in Cairns 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 Cairns home?
For Cairns in climate zone 2: 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 Cairns?
In Cairns's warm climate (zone 2), all heat pump brands perform excellently. Budget models like iStore and Midea deliver strong COP ratings year-round in warm conditions, making them excellent value. If budget allows, Daikin offers the best warranty (10 years parts and labour) and Rinnai's AR series is Australian-made (qualifying for the higher VIC rebate tier).
Free Quote
Step 1 of 5

What are you replacing?

Tap one to continue

More Heat Pump Info for Cairns

All brands cost comparison in CairnsReclaim Energy in CairnsSanden in CairnsRheem in CairnsiStore in CairnsReplace gas hot water in CairnsFind installers in Cairns