Rinnai Heat Pump Prices in Western Australia

A Rinnai hot water heat pump is $3,350 - $6,000 installed in Western Australia before rebates. After Western Australia rebates and federal STCs, most households pay around $2,410-$5,220 out of pocket. Rinnai is one of Australia's most trusted hot water brands, known for decades of gas water heater dominance. Their heat pump range includes the AR Series designed and built in Keysborough, VIC - qualifying for the higher Victorian rebate tier. The widest installer network in Australia means service and parts are readily available. The AR 340L is the largest integrated residential heat pump in Australia.

Rinnai price in Western Australia (2026)

Installed, before rebates

$3,350 - $6,000

WA rebates + STCs

$780-$940

Out of pocket (after stack)

~$2,410-$5,220

Out-of-pocket assumes federal STCs plus Western Australia's available rebate stack, applied by your installer at point of sale. Cheapest model: Rinnai E-Series 250L from $3,350.

7yr

Tank warranty

5yr

Compressor warranty

3.6

COP (efficiency)

46dB

Noise level

Rinnai rebates in Western Australia

Federal

Small-scale Technology Certificates (STCs)

Applied as a point-of-sale discount on your Rinnai system. Value varies by model and climate zone.

$780 - $940

estimated value

Western Australia does not currently run a dedicated hot water rebate. Federal STCs above are still applied by your installer, and a Rinnai heat pump still pays back through lower running costs.

Rinnai models available in Western Australia

Rinnai E-Series 250L

$3,350 - $4,100

installed, before rebates

Capacity

250L

Running cost

~$350/yr

STC value

~$780

Noise

46dB

Rinnai GR 280L

$3,900 - $5,000

installed, before rebates

Capacity

280L

Running cost

~$320/yr

STC value

~$860

Noise

46dB

Rinnai AR 340L

$4,900 - $6,000

installed, before rebates

Capacity

340L

Running cost

~$300/yr

STC value

~$940

Noise

45dB

Rinnai prices across Western Australia

Local pricing and free quotes for Rinnai in major Western Australia areas.

Rinnai in Stirling Rinnai in Cockburn Rinnai in Mandurah Rinnai in Kwinana Rinnai in Geraldton Rinnai in Joondalup Rinnai in Baldivis Rinnai in Canning Vale Rinnai in Rockingham Rinnai in Ellenbrook Rinnai in Bunbury Rinnai in Albany Rinnai in Armadale Rinnai in Kalgoorlie Rinnai in Fremantle Rinnai in Perth CBD

Heat pump costs in Western Australia Find installers in Western Australia All Western Australia rebates

Rinnai in Western Australia: FAQ

How much does a Rinnai heat pump cost in Western Australia?

A Rinnai hot water heat pump costs $3,350 - $6,000 fully installed in Western Australia before rebates. After the federal STC discount, most Western Australia households pay around $2,410-$5,220 out of pocket.

What rebates can I claim on a Rinnai heat pump in Western Australia?

Western Australia does not run its own hot water rebate, so the saving comes from federal STCs worth $780-$940, applied by your installer at point of sale. Your installer applies the discounts at quote time, so you do not chase the paperwork.

Is a Rinnai heat pump worth it in Western Australia?

Yes. With 40% of Western Australia homes on gas or old electric storage and rising energy prices, a Rinnai heat pump running at COP 3.6 cuts hot water running costs to around $350/year. Homeowners wanting a trusted household name with the best installer availability and AU-made option

Where can I get a Rinnai heat pump installed in Western Australia?

PumpSwap matches you with local Western Australia installers who quote on Rinnai systems. Submit one request and compare up to three quotes from installers covering your suburb, with rebates already factored in.