Immerge Group is a trusted and authorised Rinnai and Brivis service partner in Melbourne’s south east suburbs. Our fully qualified technicians specialise in hot water systems, gas heating, ducted heating, and evaporative cooling—delivering fast, reliable, and professional service tailored to your needs.
Fully installed residential and commercial hot water systems. Quality Rinnai products suitable for all applications.
A huge range of space & ducted heating options will ensure you find the perfect solution to keep your family warm this winter.
Single or multi head and ducted reverse cycle split system air conditioners. Cost effective evaporative cooling systems.
Rinnai hot water service and repairs. Service and maintenance on commercial and residential HVAC appliances
At Immerge Group, we specialise in the supply, installation, and servicing of Rinnai commercial hot water systems across Melbourne. Whether you’re outfitting a new development or upgrading an existing system, our team delivers expert commercial hot water installation Melbourne businesses can rely on.
We work extensively with premium systems like the Rinnai Infinity 32 continuous flow unit—ideal for delivering efficient, high-volume hot water in demanding environments to large scale Rinnai commercial systems. From tailored system design to scheduled servicing, we provide end-to-end solutions for every commercial setting.
Whether it’s a hot water service for schools, hospitals, or apartment complexes, we ensure every Rinnai system operates reliably, efficiently, and in full compliance with industry standards.
Trusted by Australia’s leading brands for expert commercial servicing and installation.
Trusted in hospitals, schools, apartments, and industrial sites
Dedicated commercial team with rapid turnaround for urgent repairs and maintenance.
Experienced with OH&S, compliance reporting, and commercial water temperature regulations.
Scalable systems designed for your exact hot water or climate control requirements.
From design to ongoing maintenance, we keep your systems running at peak efficiency.
We help reduce operational costs with high-performance, eco-friendly systems.
On-the-ground support, servicing all major commercial zones with local technicians from Hallam, Dandenong to Melbourne CBD.
We believe our customers should be treated honestly, ethically, and fairly with every interaction.
Putting our customers first and listening to their needs is the basis to a long term partnership.
We succeed due to the skills, hard work and valued contributions of all out team members.
Delivering the very best in all we do and providing our customers with value for money.
The team at Immerge Group strongly believe the key to a successful business is not winning new customers but earning trust and creating long term loyal customers. Focusing on a customer’s needs and providing a quality service at a fair price is the simple, but proven formula that builds lasting relationships.
‘Say what you do, and do what you say’
Immerge Group is proud to be the trusted service and installation partner to some of the biggest names in the industry.
Immerge Group is a proud partner of the Registered Builder Network.
See below for the latest news at Immerge Group. Here you’ll find tip’s and tricks plus the latest seasonal promotions and offerings.
Immerge Group is an Australian owned business and Authorised Rinnai & Brivis Service Partner.
Immerge has been providing professional services to Melbourne homes and businesses for over a decade and has established a reputation for quality, service and value.
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