Available in:
20 kW and 24 kW High-Capacity Models
Performance & Specs
Examine these high-capacity technical specs to select a robust climate system that covers your entire family’s home.
| Specification | Details |
| Model Number | Model A Series |
| Available Sizes | Large 20 kW and 24 kW capacities designed specifically for heating or cooling very spacious family homes |
| Technology Type | Features an advanced 3D DC inverter system to provide smooth temperature control and much faster response times |
| Efficiency Rating | Delivers up to a 3.5 star energy rating in cooling mode to help manage your power bills |
| Control Interface | Comes with a simple wired programmable controller for convenient and reliable management of your indoor home climate |
Key Features
Whole-Home Comfort
Enjoy powerful heating and cooling in every room of your house with just one discreetly hidden system.
3D DC Inverter
The intelligent inverter motor adjusts its speed to reach your desired temperature quickly while using less electricity.
Smart Wi-Fi Control
Manage your home climate from anywhere with the SmartHome app on your favourite mobile or tablet.
Quiet Operation
Designed with efficient indoor fans, this system runs quietly in your roof cavity without disrupting your daily life.
Voice Integration
Connect your air conditioner to Google Home or Amazon Alexa for easy hands-free control using simple voice commands.
Rapid Response
The high-capacity design ensures fast warm-up and cool-down times even during the most extreme local weather conditions.
Technical Specifications
Model Variety
We offer two heavy-duty power sizes to provide enough airflow for the largest open-plan living areas today.
Discreet Mounting
The slimline indoor unit is installed neatly in your roof cavity, remaining completely hidden from view.
Seamless Setup
This high-capacity system conditions and filters the air across your entire home through a single central unit.
Robust Build
Engineered to be three times more efficient than conventional heaters, providing reliable performance for many years to come.
Energy Management
The innovative inverters help you avoid excessive power consumption while maintaining steady temperatures inside your home.
Programmable Timers
Set your own schedule with the wired controller to ensure your house is always at the perfect temperature when you get back.
Versatile Weather Conditions
This unit is designed to handle extreme weather year-round and to provide effective heating and cooling.
Seven Years Warranties
This system comes with a full 7-year warranty from Rinnai, providing you with peace of mind at all times.
Air Filtering
This device continuously filters the air in all rooms, removing dust from the inside.
Testimonial
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Very happy with experience. Roma and the team were so helpful, communicative and great to work with. Highly recommend the service!
Jess Redmond
September 28, 2026Back-to-back replacement of our old LG split system with a new Mitsubishi 3.5 kW unit in a bit of a tricky location on 2nd... read more
Paddy Dempsey
September 22, 2026RDS installed our EV charger and so happy with their work. Seriously good service!
Kalman Polak
September 13, 2026 -
I highly recommend Roma and his team, the job was done very quickly and efficiently. I will definitely be going with RDS for any future... read more
Misha Sanilevitch
August 27, 2026Roma from RDS Electrical serviced and repaired our wall unit and external pipes. We are very happy with his workmanship, knowledge and customer... read more
Debbi Berkovic
August 7, 2026I would highly recommend RDS, for EV charger installation. Not only are they competitively priced, their communication is awesome, and the quality of their... read more
Ben Saporta
August 6, 2026 -
Very prompt service completed by obviously very competent technicians. Sincere thanks guy's you did a wonderful job. Much appreciated.
leigh vinnell
July 7, 2026Roma and his mate did a great job installing a small split in a tricky location in the bedroom (which another company tried to... read more
Lachlan Kennedy
April 26, 2026Roma and his team did an excellent job in fixing our ducted aircon unit. He was very honest in recommending the best solution and... read more
Christopher Yee
April 10, 2026
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