Rinnai Heat Pump Prices in Western Australia
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A Rinnai hot water heat pump is $3,900 - $7,250 installed in Western Australia before rebates. After Western Australia rebates and federal STCs, most households pay around $3,300-$6,650 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)
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 $3,900.
Rinnai rebates in Western Australia
Small-scale Technology Certificates (STCs)
Applied as a point-of-sale discount on your Rinnai system. Value varies by model and climate zone.
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
Rinnai E-Series 250L price →Rinnai GR 280L
Rinnai GR 280L price →Rinnai AR 340L
Rinnai AR 340L price →Rinnai prices across Western Australia
Local pricing and free quotes for Rinnai in major Western Australia areas.
Heat pump hot water costs across regional Western Australia
What homeowners say
“Quick service and prompt installation of the new unit. Lifesavers!!”
“Good service and timely quoting. Provided emergency hot water cylinder while the replacement is ordered.”
“Really quick response to my initial inquiry. The job was neat and professional.”
“The guys done a good job, very professional and cleaned up after themselves.”
Heat pump guides for Western Australia
Rinnai in Western Australia: FAQ
How much does a Rinnai heat pump cost in Western Australia?
A Rinnai hot water heat pump costs $3,900 - $7,250 fully installed in Western Australia before rebates. After the federal STC discount, most Western Australia households pay around $3,300-$6,650 out of pocket.
What rebates can I claim on a Rinnai heat pump in Western Australia?
Western Australia households claim federal STCs worth $600-$600 on a Rinnai, 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 $329/year. Homeowners wanting a trusted household name with the best installer availability and an Australian-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.