Daikin Heat Pump Hot Water

Japan
$5,500 - $8,500
installed, before rebates

Daikin is the world's largest air conditioning manufacturer and a leader in heat pump technology. Their CO2 split system hot water heat pump can heat water to 90C without electric boost and operates down to -26C. Industry-best 10-year parts and labour warranty across the entire system. Premium pricing reflects premium engineering.

Daikin hot water heat pump price (2026)

Installed, before rebates
$5,500 - $8,500
Federal STC discount
~$1,080-$1,240
Out of pocket (after stack)
~$2,860-$6,920

Out-of-pocket assumes federal STCs + a typical state-level top-up. Victorian households can stack up to $2,700 in rebates ahead of the 2027 gas ban; NSW, SA and ACT have their own top-ups. Cheapest model: Daikin EKHHP250 from $5,500. Largest: Daikin EKHHP315 up to $8,500. Lowest running cost across the range: ~$260/yr.

10yr
Tank warranty
10yr
Compressor warranty
4.5
COP (efficiency)
40dB
Noise level

Available Models

Daikin EKHHP250

$5,500 - $7,000
installed, before rebates
Capacity
250L
Energy stars
6 stars
Running cost
~$260/yr
STC rebate value
~$1,080
Suitable for
3-4 person household
Noise
40dB
Dimensions
1680x630x630mm
Weight
95kg

Daikin EKHHP315

$6,500 - $8,500
installed, before rebates
Capacity
315L
Energy stars
6 stars
Running cost
~$280/yr
STC rebate value
~$1,240
Suitable for
4-6 person household
Noise
40dB
Dimensions
1780x630x630mm
Weight
105kg

Pros

  • Best-in-market 10yr parts AND labour warranty
  • CO2 refrigerant (heats to 90C, no boost needed)
  • Quietest outdoor unit in market (40dB)
  • Works down to -26C
  • Highest STC allocation due to CO2 efficiency

Cons

  • Most expensive option in market
  • Split system requires more complex installation
  • Newer to AU hot water market
  • Not Australian-made

Best for

Homeowners wanting the absolute best performance and warranty, especially in cold climates

Check Daikin rebates in your state

Federal STCs plus state rebates can knock up to $2,700 off the installed price.

Daikin hot water heat pump FAQ

How much is a Daikin hot water heat pump installed in 2026?

A Daikin hot water heat pump costs $5,500 - $8,500 fully installed in Australia before rebates. The cheapest model (Daikin EKHHP250, 250L) starts at $5,500; the largest (Daikin EKHHP315, 315L) tops out around $8,500. After stacking federal STCs (worth $1,080-$1,240 depending on the model and your climate zone) and state-based rebates, most households pay $1,500-$3,500 out of pocket.

Is Daikin a good heat pump brand?

Daikin is the world's largest air conditioning manufacturer and a leader in heat pump technology. Their CO2 split system hot water heat pump can heat water to 90C without electric boost and operates down to -26C. Industry-best 10-year parts and labour warranty across the entire system. Premium pricing reflects premium engineering. Daikin is best suited to homeowners wanting the absolute best performance and warranty, especially in cold climates.

What rebates can I claim on a Daikin heat pump?

Every Daikin model attracts federal Small-scale Technology Certificates (STCs) worth $1,080-$1,240 at point of sale. On top of STCs, Victorian households can stack the Solar Victoria Hot Water Rebate ($1,000-$1,400) and Victorian Energy Upgrades discount ($500-$2,000) to reach up to $2,700 in rebates. NSW (PDRS), SA (REPS), and ACT (Sustainable Household Scheme) have their own state-level top-ups. Your installer applies the discounts at quote time so you do not chase paperwork.

What is the warranty on a Daikin heat pump?

Daikin backs its tanks with a 10-year warranty and the compressor with 10 years. Workmanship cover for the install itself comes from your installer separately and should be at least 12 months. Warranty claims require the system to have been installed by a licensed plumber and serviced according to the manual.

How efficient is a Daikin heat pump?

The Daikin EKHHP250 runs at COP 4.5 (every 1 kWh of electricity input produces 4.5 kWh of heat output). Annual running cost is around $260 for a 3-4 person household, compared to roughly $700/year for gas storage and $900/year for old-school electric resistive storage.

How long does a Daikin heat pump last?

Modern hot water heat pumps last 12-15 years on average in Australian conditions. Tank life depends on water hardness (sacrificial anode replacement every 5 years extends life). Compressor life is the limiting factor and typically matches or exceeds the warranty period when the unit is correctly sized and serviced.

Daikin vs other brands: which should I pick?

Daikin sits at the premium end of the Australian market. It is a top pick for cold climates and homeowners who prioritise efficiency and warranty over upfront price. See the side-by-side comparisons below for direct head-to-head specs.

Compare with other brands

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