29 Oct 25 | Save on Cooling Costs with the Energy-Efficient Rinnai JX Series Split System Air Conditioner 

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Cut cooling costs this summer with Rinnai JX Series air conditioners

Save up to 64%* on your cooling bill with a Rinnai JX Series Split System Air Conditioner

As Australia’s summer temperatures rise, many homeowners are looking for ways to stay comfortable without increasing their electricity bills. Choosing an energy-efficient air conditioner is one of the most effective ways to reduce ongoing running costs while maintaining reliable home comfort. 

Rinnai Split System JX Series has been designed to deliver powerful cooling and heating with exceptional energy efficiency. With models offering up to a 9-star energy rating*, the JX Series can help reduce annual cooling energy costs by up to 64% compared with a comparable Minimum Energy Performance Standards (MEPS)-approved air conditioner of the same capacity. ** 

 

Rinnai - Up to 9 Star Energy Efficiency Rating

That’s why our Rinnai JX Series Split System Air Conditioners have been expertly engineered to provide up to a 9-star energy efficiency* which helps you save up to 64%** on your annual cooling energy bills. This of course is compared to comparable size air conditioner that’s other Minimum Energy Performance Standards (MEPS) approved.

In this article, we’ll take a closer look at the features that make these units so energy-efficient, how they can help you save on running costs, and why Rinnai is a trusted name in air conditioning.

Why Energy Efficiency Matters

When selecting a new air conditioner, energy efficiency plays an important role in both performance and long-term operating costs. A more efficient system requires less electricity to deliver the same level of cooling, helping to reduce energy consumption and household running costs over time. 

Modern air conditioners are assessed using the Annual Energy Efficiency Ratio (AEER), which provides a more accurate indication of real-world cooling performance than traditional efficiency measurements. Unlike a single-point efficiency test, AEER considers seasonal operating conditions and standby energy consumption, giving homeowners a better understanding of how efficiently an air conditioner performs throughout the year. 

For example, the JX Series 2.5kW (HSNRJX25) has an AEER of 4.98, compared with 3.66 for a comparable MEPS-approved system of the same capacity. The higher the AEER, the more efficiently the system converts electricity into cooling performance. 

 

Compare Your Potential Energy Savings

Choosing the right air conditioner is easier when you can compare energy performance. 

Our Energy Rating Table allows you to compare the JX Series with comparable MEPS-approved systems across Australia’s different climate zones. Simply select your climate zone to view the energy rating and estimated annual running costs for each model, helping you make a more informed purchasing decision. 

 

Select your climate zone

1 Year Running Cost Difference $ (Cooling)
$342.64
10 Year Running Cost Difference $ (Cooling)
$3,426.40
Running Cost Difference % (Cooling)
64%
Rinnai
Model: HONRJX25 / HINRJX25
Comparing Rinnai JX Series for Hot climate
Energy use and costs
1 year energy use:
372.00kWh
1 year running cost:
Cooling:
$189.50
Heating:
$32.18
Total:
$221.68
10 year running cost:
Cooling:
$1895.00
Heating:
$321.80
Total:
$2216.80
Tariff (c/kWh):
$0.5959
Other MEPS Approved 25 Class Split System
Rinnai competitors energy rating - all zones
Energy use and costs
1 year energy use:
965.00 kWh
1 year running cost:
Cooling:
$532.14
Heating:
$42.90
Total:
$575.04
10 year running cost:
Cooling:
$5321.40
Heating:
$429.00
Total:
$5750.40
Tariff (c/kWh):
$0.5959
1 Year Running Cost Difference $ (Cooling)
$112.63
10 Year Running Cost Difference $ (Cooling)
$1,126.30
Running Cost Difference % (Cooling)
62%
Rinnai
Model: HONRJX25 / HINRJX25
Comparing Rinnai JX Series for Average climate
Energy use and costs
1 year energy use:
416.00kWh
1 year running cost:
Cooling:
$179.96
Heating:
$67.93
Total:
$247.89
10 year running cost:
Cooling:
$1799.60
Heating:
$679.30
Total:
$2478.90
Tariff (c/kWh):
$0.5959
Other MEPS Approved 25 class Split System
Rinnai competitors energy rating - all zones
Energy use and costs
1 year energy use:
744.00 kWh
1 year running cost:
Cooling:
$180.56
Heating:
$262.79
Total:
$443.35
10 year running cost:
Cooling:
$1805.60
Heating:
$2627.90
Total:
$4433.50
Tariff (c/kWh):
$0.5959
1 Year Running Cost Difference $ (Cooling)
$76.88
10 Year Running Cost Difference $ (Cooling)
$768.80
Running Cost Difference % (Cooling)
64%
Rinnai
Model: HONRJX25 / HINRJX25
Comparing Rinnai JX Series for Cold climate
Energy use and costs
1 year energy use:
830.00kWh
1 year running cost:
Cooling:
$42.90
Heating:
$451.69
Total:
$494.59
10 year running cost:
Cooling:
$429.00
Heating:
$4516.90
Total:
$4945.90
Tariff (c/kWh):
$0.5959
Other MEPS Approved 25 class Split System
Rinnai competitors energy rating - all zones
Energy use and costs
1 year energy use:
1311.00kWh
1 year running cost:
Cooling:
$119.78
Heating:
$661.45
Total:
$781.23
10 year running cost:
Cooling:
$1197.80
Heating:
$6614.50
Total:
$7812.30
Tariff (c/kWh):
$0.5959
The Energy Rating Calculator has been used to supply this information. It can also be used to find your climate zone based on your postcode: https://calculator.energyrating.gov.au

Engineered for Greater Efficiency 

The JX Series combines advanced engineering with intelligent design to maximise comfort while minimising energy consumption. 

High-Efficiency Inverter Compressor 

The inverter compressor automatically adjusts its output to maintain your desired temperature, reducing unnecessary energy use while delivering consistent comfort. 

Up to 15 metres long distance airflow 

The redesigned fin-shaped louvre helps distribute conditioned air more evenly throughout the room while improving long-distance airflow, creating greater comfort across larger living spaces. 

Why Choose the Rinnai JX Series Air Conditioner? 

The Rinnai JX Series combines advanced inverter technology, impressive seasonal energy efficiency, quiet operation and intelligent airflow to deliver reliable year-round comfort. Whether you’re replacing an older system or installing air conditioning in a new home, the JX Series offers an ideal balance of performance, efficiency and value. 

Key benefits include: 

  • Up to 9-star energy rating* 
  • Advanced inverter technology 
  • High seasonal cooling efficiency (AEER) 
  • Quiet operation 
  • Long distance airflow 
  • Enhanced indoor air quality 
  • Reverse cycle heating and cooling for year-round comfort 

Available at Harvey Norman

The Rinnai JX Series Split System Air Conditioner is available at Harvey Norman stores nationwide, making it easy to find the right model for your home. 

Ready to Upgrade Your Home Comfort? 

If you’re looking for an energy-efficient split system air conditioner that delivers powerful performance while helping reduce ongoing running costs, the Rinnai JX Series is an excellent choice. 

Explore the Rinnai JX Series today and discover how greater energy efficiency can help you stay comfortable while saving on electricity costs. 

Want to Learn More?

Article Information, Disclaimers and Sources

Energy Rating Website: www.energyrating.gov.au

* Energy star ratings vary by model and climate zone. 

** Savings are based on comparisons with a comparable capacity MEPS-approved air conditioner. Actual energy consumption and running costs will vary depending on climate, usage patterns, installation, electricity tariffs and other factors. 

The product information on this website (comprising product brochures, warranty information, installation manuals, diagrams, specifications, articles and representations) relates to current products. This information may be different for superseded products. For superseded products please contact Rinnai to confirm product information.