25 May 26 | The Rinnai TX Series delivers affordable comfort and energy efficiency

Finding the right air conditioner often means weighing up comfort, performance and running costs. The Rinnai TX Series has been designed to strike that balance, delivering up to 5.5-star energy efficiency* and the potential to reduce annual cooling energy costs by up to 40%** compared to a similar-sized Minimum Energy Performance Standards (MEPS) approved system.

Compare the TX Series

Use the Energy Rating Table below to explore how each model performs. Simply select your climate zone to view efficiency ratings and estimated running costs, helping you choose the right option for your environment, whether you’re in a hot, average or cool climate.

Select your climate zone

HotAverageCold

1 Year Running Cost Difference $ (Cooling)

$104.28

10 Year Running Cost Difference $ (Cooling)

$1,042.80

Running Cost Difference % (Cooling)

27%

Rinnai

Model: HONRTX25/HINRTX25

Energy use and costs

1 year energy use:

507.00 kWh

1 year running cost:

Cooling:

$275.31

Heating:

$26.82

Total:

$302.13

10 year running cost:

Cooling:

$2753.10

Heating:

$268.20

Total:

$3021.30

Tariff (c/kWh):

$0.5959

Other MEPS Approved 25 Class Split System

Energy use and costs

1 year energy use:

718.00 kWh

1 year running cost:

Cooling:

$379.59

Heating:

$48.27

Total:

$427.86

10 year running cost:

Cooling:

$3795.90

Heating:

$482.70

Total:

$4278.60

Tariff (c/kWh):

$0.5959

1 Year Running Cost Difference $ (Cooling)

$54.83

10 Year Running Cost Difference $ (Cooling)

$548.30

Running Cost Difference % (Cooling)

37%

Rinnai

Model: HONRTX25/HINRTX25

Energy use and costs

1 year energy use:

463.00 kWh

1 year running cost:

Cooling:

$94.15

Heating:

$181.75

Total:

$275.90

10 year running cost:

Cooling:

$941.50

Heating:

$1817.50

Total:

$2759.00

Tariff (c/kWh):

$0.5959

Other MEPS Approved 25 class Split System

Energy use and costs

1 year energy use:

664.00 kWh

1 year running cost:

Cooling:

$148.98

Heating:

$246.70

Total:

$395.68

10 year running cost:

Cooling:

$1489.80

Heating:

$2467.00

Total:

$3956.80

Tariff (c/kWh):

$0.5959

1 Year Running Cost Difference $ (Cooling)

$39.93

10 Year Running Cost Difference $ (Cooling)

$399.30

Running Cost Difference % (Cooling)

40%

Rinnai

Model: HONRTX25/HINRTX25

Energy use and costs

1 year energy use:

897.00 kWh

1 year running cost:

Cooling:

$59.59

Heating:

$474.93

Total:

$534.52

10 year running cost:

Cooling:

$595.90

Heating:

$4749.30

Total:

$5345.20

Tariff (c/kWh):

$0.5959

Other MEPS Approved 25 class Split System

Energy use and costs

1 year energy use:

1232.00 kWh

1 year running cost:

Cooling:

$99.52

Heating:

$634.63

Total:

$734.15

10 year running cost:

Cooling:

$995.20

Heating:

$6346.30

Total:

$7341.50

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

What you could save each year

Running air conditioning in the Australian climate can quickly add up. With the Rinnai TX Series, you could save up to $104 per year on cooling costs compared to a similar MEPS-rated system. Over 10 years, that’s up to $1,042 in savings – making a noticeable difference, especially during the warmer months when your system is used most.

Find a stockist near you

The TX Series is available nationwide through your local Rinnai stockist. With efficient performance, quiet operation and a sleek, modern design, it’s a smart choice for homeowners looking for both style and reliability. Not sure which size suits your space? Use our sizing guide to find the right fit.

Considering an upgrade?

If you’re thinking about replacing an older system or upgrading your current setup, the TX Series offers an energy-efficient and practical solution designed for everyday comfort.

Explore our full range of Rinnai air conditioning units and discover the savings for yourself.

Want to Learn More?

• Find a Rinnai TX Series
• Rinnai TX Series Product Brochure
• Rinnai TX Series Selection Guide
• Understanding Inverter Split System Air Conditioners
• Installation Quotation Enquiry

Energy Rating Website: www.energyrating.gov.au

**Cost Saving % and $ amount were calculated using the Energy Rating Calculator: calculator.energyrating.gov.au

*Based on HSNRTX25 Cooling in Hot Zone. This claim refers to the 5.5-star efficiency rating of the HSNRTX25 TX Series split system, operating in Cooling mode in Australia’s ‘Hot Zone’ in accordance with the Department of Environment and Energy’s ‘Zone Energy Rating Label’ system.

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.