Rinnai vs Haier: Which Heat Pump Is Better? (2026)
Quick Verdict
Haier is the more efficient choice with a higher COP rating, meaning lower running costs over time.
Side-by-Side Comparison
| Feature | Rinnai | Haier |
|---|---|---|
| Price range (installed) | $3,350 - $6,000 | $3,000 - $3,650Lower |
| COP (efficiency) | 3.9 | 4.49Higher |
| Tank warranty | 7 years | 7 years |
| Compressor warranty | 5 years | 5 years |
| Noise level | 45dB | 43dBQuieter |
| Annual running cost | ~$304/yr | ~$264/yrLower |
| Refrigerant type | R134a | R134a |
| Country of manufacture | Japan/Australia | China |
| Australian made | No | No |
| Best for | Homeowners wanting a trusted household name with the best installer availability and an Australian-made option | Households that want a quiet all-in-one with an established Australian service network behind it |
Price Comparison
Rinnai starts from $3,350 installed (before rebates), while Haier starts from $3,000. That is a difference of roughly $350 at the entry level. Haier is the more budget-friendly option upfront, though Rinnai may deliver savings through lower running costs over time. Both prices are for fully installed systems before government rebates and STCs, which can reduce the out-of-pocket cost by $1,000 to $3,000 depending on your state.
Efficiency Comparison
COP (Coefficient of Performance) is the key efficiency metric for heat pumps. A higher COP means more heat output per unit of electricity consumed. Rinnai achieves a COP of 3.9, while Haier reaches 4.49. The Haier is 15% more efficient, which translates to roughly $40 less per year in running costs. Over a 10-year lifespan, that efficiency advantage adds up to approximately $400 in savings.
Warranty Comparison
Rinnai offers a 7-year tank warranty and 5-year compressor warranty. Haier offers a 7-year tank warranty and 5-year compressor warranty. Both brands offer the same tank warranty length, so warranty coverage is comparable.
Noise Comparison
Noise is an important consideration, especially for suburban installations where the unit may be close to bedrooms or neighbouring properties. Rinnai publishes 45dB for its quietest model, and Haier publishes 43dB. The Haier is quieter at 43dB. At this level, it is similar to a quiet office and should be unnoticeable from inside most homes.
Climate Suitability
The type of refrigerant a heat pump uses significantly affects its performance in cold weather. Rinnai uses R134a refrigerant, while Haier uses R134a. Both units use the same refrigerant type, so cold-weather performance should be comparable. R134a performs well in moderate climates but may lose some efficiency in very cold conditions.
Pros and Cons
Rinnai
Pros
- Australia's most trusted hot water brand
- AR Series is Australian-made (higher VIC rebate)
- Widest installer network in Australia
- 340L is largest integrated residential heat pump in Australia
- Smooth transition path from Rinnai gas
Cons
- Not the most efficient COP vs CO2 brands
- Only AR Series is Australian-made
- E-Series has shorter warranty
- Standard R134a refrigerant
Haier
Pros
- 43 dB(A) at 1 metre on the 200L and 250L, quiet for an all-in-one
- Backed in Australia by Fisher and Paykel
- 5 years parts and labour, with the cylinder covered for 7
- Propane (R290) refrigerant
- 330L is the largest all-in-one tank in this comparison
Cons
- Country of manufacture is not published
- The 330L drops to a published COP of 4.00
- Not on the Solar Victoria locally made list, so it earns the lower Victorian rebate tier
- The 330L is wider and deeper than most, so check the space before you order
Which Should You Choose?
Choose Rinnai if...
- You're in Victoria (models on Solar Victoria's locally made list = higher rebate tier of $1,400 vs $1,000)
Choose Haier if...
- You want a lower upfront cost (from $3,000 vs $3,350)
- You want the best efficiency and lowest running costs (COP 4.49 vs 3.9)
- Quiet operation matters to you (43dB vs 45dB)
- You want lower annual running costs (~$264/yr vs ~$304/yr)
Buying in Victoria? Stack up to $2,700 in rebates
Whichever brand you pick, Victorian households can stack the Solar Victoria Hot Water Rebate ($1,000-$1,400), the Victorian Energy Upgrades discount ($500-$2,000), and federal STCs ($500-$1,200) ahead of the 1 March 2027 gas ban deadline. Rinnai has models on Solar Victoria's locally made list, which qualify for the higher $1,400 tier.
Heat pump guides
- Every Australian heat pump rebate, with the dated changes
- The best heat pump hot water brands in Australia
- Heat pump hot water cost in Australia
- Victoria heat pump rebates
- New South Wales heat pump rebates
- Queensland heat pump rebates
- South Australia heat pump rebates
- Australian Capital Territory heat pump rebates
- Western Australia heat pump rebates
- Tasmania heat pump rebates
- Northern Territory heat pump rebates
What are you replacing?
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