Electric Hot Water Systems

Heating & Cooling Specialists

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Rinnai & Brivis Specialists

Immerge Group is an authorised Rinnai & Brivis service partner in Melbourne’s south east suburbs.  Fully qualified and experienced technicians ready to help with your hot water, heating and cooling needs.

Hot Water Systems

Fully installed residential and commercial hot water systems. Quality Rinnai products suitable for all applications.

Rinnai Gas Heaters

A huge range of space & ducted heating options will ensure you find the perfect solution to keep your family warm this winter.

Rinnai Air Conditioners

Single or multi head and ducted reverse cycle split system air conditioners. Cost effective evaporative cooling systems.

Hot Water Service

Rinnai hot water service and repairs. Service and maintenance on commercial and residential HVAC appliances

Hot Water

Fully installed residential and commercial hot water systems. Quality Rinnai products suitable for all applications.

Quality

There is a reason the Rinnai Infinity units are Australia's favorite continuous flow system. This is due to their superior performance, efficiency and reliability.
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Heating

A huge range of space & ducted heating options will ensure you find the perfect solution to keep your family warm this winter.

STYLISH

Rinnai gas log fire range provides everything you love about an open fire with beautiful design and sophistication, but without the mess.
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COOLING

Single or multi head and ducted reverse cycle split system air conditioners. Cost effective evaporative cooling systems.

VERSATILITY

Stay cool this summer with the latest in technology, design and efficiency. Rinnai inverter split systems will ensure you can relax all year round.
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MAINTENANCE

Enjoy many years of trouble free operation and longevity of your appliance with a scheduled maintenance program.

PREVENTION

Enquire about a maintenance program for your appliance. Available for residential & commercial properties, schools and organisations.
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Read What Our Customers Say

Excellent
Based on 80 reviews
Anikó Ball
Anikó Ball
2023-12-05
As the Owners Corporation Chair, my experience with the way the Immerge Group looks after a St Kilda building has been very positive. In times of urgent need, immediate attendance by a technician was provided. Communication with the office team has been excellent. I am especially impressed with Kellie and Brendan.
Mandeep Singh
Mandeep Singh
2023-11-13
Immerge Group has been great to work with! very professional and reliable
Leanne Mlakar
Leanne Mlakar
2023-10-06
My husband dealt with Immerge Group when our hot water service packed it in. From the moment he rang them for a quote they were extremely helpful and knowledgeable and could answer all questions and give very good advice. The workmanship and time it took to replace and install our new unit was excellent and all done in the same day. Highly recommend Immerge Group, they were fantastic.
Emma Nash
Emma Nash
2023-09-12
Our Rinnai hot water system stopped working after 3.5 years-6 months out of warranty! Rinnai arranged for Immerge Group to do the service call. David from Immerge attended our job and was fantastic. He contacted Rinnai and was able to get the repair done under warranty. he also noticed our gas regulator was faulty and advised us to contact our gas retailer. Thank you David you have gone above and beyond! Very very happy!
Jim Rowley
Jim Rowley
2023-08-28
12 o’clock Rang with a problem with no hot water by 2.45 had the new hot water system installed Great service highly recommend 👍
David Tillig
David Tillig
2023-08-09
Great Service and really happy with my new heater installation
Engineering Manager
Engineering Manager
2023-08-04
Great service. Techs are experienced & know their stuff front to back. Easy to deal with. Excellent team to work with. Our domestic hot water system working great & no trouble.
George Tsurlis
George Tsurlis
2023-08-01
Most impressed by the professional and thorough manner in which my water heater was installed. I could not be any happier with the experience and unconditionally recommend them to all

Our Core Values

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’

Integrity

We believe our customers should be treated honestly, ethically, and fairly with every interaction.

Great Service

Putting our customers first and listening to their needs is the basis to a long term partnership.

TEAMWORK

We succeed due to the skills, hard work and valued contributions of all out team members.

Value

Delivering the very best in all we do and providing our customers with value for money.

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FULLY EQUIPPED VEHICLES

Trusted Partners

Immerge Group is proud to be the trusted service and installation partner to some of the biggest names in the industry.

Registered Builder Network

Immerge Group is a proud partner of the Registered Builder Network.

Registered Builders Network

Latest News

See below for the latest news at Immerge Group. Here you’ll find tip’s and tricks plus the latest seasonal promotions and offerings.

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Heat Pump Hot Water Systems Explained: Simple Guide FAQs

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Rinnai Hotflo 25L Electric Tank

SALE Rinnai Hotflo 25L Electric Tank Was $445 Now Only $350 Hurry…while stocks last 0 Units Remaining Ultra compact electric hot water tank Flexible installation options 7 year cylinder warranty Suitable for internal installation and use only Vitreous Enamel lined steel tank for added durability Inbuilt anode protection extends the life of the hot water tank Dual

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