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RINNAI INVERTER SPLIT SYSTEMS ·
PERTH WA
PERTH WA
Rinnai split system air conditioning, for the rooms you live in.
A Rinnai inverter split system is the most direct way to heat and cool a bedroom, living area or home office. We help you choose the right series and size, then install it neatly with the indoor unit, outdoor unit and pipe run properly planned.
Free quote · No obligation · Perth metro installation
WHAT HAPPENS NEXT
Get your free Rinnai quote
No model number needed. We’ll clarify your home and recommend the next step.
QUICK ANSWER
What size split system do I need?
As a guide, bedrooms usually need 2.5kW to 3.5kW, living areas 5.0kW to 7.0kW and large open-plan spaces 8.0kW or more. Room size, ceiling height, insulation, window size and afternoon sun all change the answer, so we confirm it with a heat load assessment before you buy.
Bedrooms
2.5kW to 3.5kW
Living areas
5.0kW to 7.0kW
Zoning
Up to 8 zones with Rinnai Home
Operating range
-20°C to +50°C outdoors
Indoor noise
From 28 dB(A) on selected models
Warranty
7 years on eligible systems*
RINNAI TX SERIES
Smart, quiet comfort for every room.
Designed for Australia’s changing climate, the TX Series combines efficient heating and cooling with cleaner air and app control.
Built-in Wi-Fi and voice control
Switch on, set the temperature and adjust fan speed through the NetHome Plus app, or by voice with compatible Google Assistant and Amazon Alexa devices.
Healthier indoor air
A Cold Catalyst filter and HEPA filter reduce up to 99% of bacteria and dust particles, as tested by independent laboratory Intertek.
GoldGuard coastal protection
The outdoor coil’s GoldGuard coating resists oxidation and corrosion better than standard coils, a real advantage near Perth’s coast.
Quiet, balanced airflow
Indoor sound pressure starts from 19.5 dB(A) on the 3.5kW model, and 3D airflow swings vertically and horizontally for even comfort.
Sleep, timer and turbo modes
Sleep mode adjusts gently overnight, the timer runs from 30 minutes to 24 hours and Turbo cools or warms the room quickly.
Demand control and R32
DRED-enabled to help reduce power use at peak times, with R32 refrigerant for lower global warming potential.
HEPA results tested by Intertek, reports 250626075GZU-007 and 250626075GZU-001. Demand control is subject to availability from your energy provider.
PERTH CLIMATE ZONE
Read the energy label the way Perth homes should.
Every new split system carries a Zoned Energy Rating Label with ratings for hot, average and cold climates. Perth sits in the average zone, so that is the row to compare. We explain what each rating means for your room and your power bill.
- Cooling capacity at 35°C outdoors
- Estimated annual energy use (kWh)
- Heating capacity at 7°C and 2°C
- Indoor and outdoor noise levels
SIZE AND EFFICIENCY
Rinnai TX Series sizes and Perth ratings.
Find the size that fits your room, then compare star ratings for the average climate zone that applies to Perth.
| TX Series model | Nominal capacity | Suitable room size* | Cooling stars (Perth zone) | Heating stars (Perth zone) | Quietest indoor level |
|---|---|---|---|---|---|
| HSNRTX25 | 2.5kW | 11-17m² | 5.0 | 3.5 | 20.0 dB(A) |
| HSNRTX35 | 3.5kW | 16-23m² | 4.5 | 3.0 | 19.5 dB(A) |
| HSNRTX50 | 5.0kW | 23-33m² | 4.0 | 2.5 | 20.0 dB(A) |
| HSNRTX60 | 6.0kW | 27-40m² | 3.5 | 2.5 | 20.0 dB(A) |
| HSNRTX70 | 7.0kW | 32-47m² | 3.5 | 2.5 | 21.0 dB(A) |
| HSNRTX80 | 7.6kW | 36-53m² | 3.5 | 2.5 | 21.0 dB(A) |
| HSNRTX90 | 9.0kW | 36-53m² | 4.0 | 2.5 | 22.5 dB(A) |
*Guide based on insulated ceilings up to 2.6m. Star ratings shown for the average climate zone. Sound levels are indoor sound pressure at minimum fan speed. Final sizing is confirmed by heat load assessment.
THE WIDER RINNAI RANGE
A Rinnai series for every room and budget.
The TX Series suits most Perth homes, but Rinnai offers several series. We recommend the one that fits your room, priorities and budget. See our guide to choosing the right Rinnai system for WA homes.
TX Series
HEPA filtration, GoldGuard coastal protection and built-in Wi-Fi with voice control, from 2.5kW to 9.0kW.
PX Series
Up to 7 star efficiency, ECO+ AI energy saving, a smart human sensor and Turbo+ for rapid comfort.
VX Series
Up to 6.5 star efficiency, long-distance airflow up to 12m, a self-cleaning function and Wi-Fi with voice control.
T Series
Up to 9 star efficiency, airflow up to 10m, demand control and Wi-Fi with voice control.
PB Series
Up to 6.5 star efficiency, Wi-Fi control, demand control and quiet operation for everyday comfort.
CJ and CJ1 Series
Cooling-only models available in WA, with up to 8.5 or 9 star efficiency and Wi-Fi with voice control.
Series availability changes over time. Current models and pricing are confirmed in your quote.
AN HONEST VIEW
Is a split system right for you?
Split systems are efficient and affordable for individual rooms. Here is what to weigh up before you decide.
- Energy-efficient inverter operation
- Heating and cooling in one system
- Quiet performance for bedrooms and studies
- Simpler, faster installation than ducted
- Individual control of each room
- Rapid comfort with Turbo mode
- Best suited to single rooms or living zones
- The indoor unit is visible on the wall
- Professional installation is required
- Filters need regular cleaning
- Correct sizing matters for efficiency and comfort
- Several rooms may suit multi-split or ducted better
SPLIT, MULTI-SPLIT OR DUCTED?
Compare your options side by side.
If you need comfort in more than one room, multi-split or ducted may be the better long-term choice. Our split system vs ducted guide compares them in detail.
| Split system | Multi-split | Ducted | |
|---|---|---|---|
| Best for | One room or living zone | A few rooms, one outdoor unit | Whole-home comfort |
| Indoor units | One visible wall unit | One visible unit per room | Hidden in the roof, ceiling outlets only |
| Outdoor units | One per indoor unit | One shared outdoor unit | One outdoor unit |
| Room control | Per unit | Independent per room | Zoning with Rinnai Home or iZone |
| Upfront cost | Lowest | Moderate | Highest |
| Installation | Simplest | Moderate | Needs roof space and duct design |
SPLIT SYSTEM INSTALLATION ACROSS PERTH
Split system air conditioning installation in Perth.
We supply and install Rinnai inverter split systems across the Perth metropolitan area, including the northern, southern, eastern and western suburbs and the Perth Hills. ARC Tick licensed technicians plan the indoor unit position, the outdoor unit and the pipe run before installation, so the finished system is neat, quiet and easy to service.
What a split system costs in Perth
The installed cost depends on the series and capacity you choose, where the indoor and outdoor units go, the length of the pipe run, electrical requirements and access. Your free written quote names the recommended Rinnai model and what is included, which is more reliable than comparing unit-only prices online.
Replacing an old split system
If your current air conditioner struggles on hot days, runs noisily or keeps needing repairs, we can replace it with a current Rinnai model. We assess the existing unit, pipework, electrical supply and access, confirm what can be reused and include removal of the old unit where agreed in your quote.
One room or the whole home
A split system suits one room or a specific living zone. For several rooms, a Rinnai multi-split runs multiple indoor units from one outdoor unit, and Rinnai ducted air conditioning covers the whole home. Compare them in our split system vs ducted guide.
SPLIT SYSTEM FAQs
Rinnai split system questions, answered.
Straight answers on sizing, efficiency, heating and smart control.
What size split system do I need for a bedroom?
Most bedrooms suit a 2.5kW to 3.5kW system. As a guide, the Rinnai TX Series 2.5kW model suits about 11-17m² and the 3.5kW model about 16-23m², based on insulated ceilings up to 2.6m. West-facing rooms and large windows may need more capacity.
What size split system do I need for a living area?
Living areas typically need 5.0kW to 7.0kW, and large open-plan spaces 8.0kW or more. The TX Series 7.0kW model suits about 32-47m². Ceiling height, glazing and afternoon sun all matter, so we confirm the size on site.
Are Rinnai split systems energy efficient?
Yes. Inverter split systems are among the most efficient ways to heat and cool a room because they adjust output instead of switching on and off. Compare the average climate zone on the Zoned Energy Rating Label, which includes Perth. Selected Rinnai series reach up to 9 stars.
Can a split system heat my home in winter?
Yes. Reverse cycle split systems move heat rather than create it, which makes them cheaper to run than many traditional electric heaters. The Rinnai TX Series is designed to heat in outdoor temperatures down to -15°C.
What is GoldGuard, and does it matter in Perth?
GoldGuard is a protective coating on the Rinnai TX Series outdoor condenser coil. It increases resistance to oxidation and corrosion compared with standard coils, which is valuable in coastal suburbs exposed to salt air. It also helps speed up defrosting in heating mode.
Can I control a Rinnai split system from my phone?
Yes. The TX Series has built-in Wi-Fi. Using the NetHome Plus app you can switch it on or off, set the temperature and adjust fan speed from anywhere, and it works with compatible Google Assistant and Amazon Alexa devices.
How much does a split system cost to install in Perth?
The installed cost depends on the Rinnai series and capacity, the indoor and outdoor unit positions, the pipe run, electrical requirements and access. We provide a free written quote showing the recommended model and what is included, rather than a generic online price.
Do you install split systems across Perth?
Yes. We install Rinnai split systems across the Perth metropolitan area, including the northern, southern, eastern and western suburbs and the Perth Hills. Enter your suburb or postcode in the quote form and we will confirm availability.
KEEP EXPLORING
Rinnai Ducted Air Conditioning
Rinnai Ducted Air Conditioning
Whole-home heating and cooling from one hidden system, with up to 8 zones.
iZone Smart Control
Room-by-room control for up to 14 zones, from your phone or voice assistant.
Why Rinnai
50+ years in Australian homes, a 7 year warranty and national 1stCare service.