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Therman Gas, Electric & Continuous Flow Hot Water Systems

Thermann hot water logo.

Mr Plumber is a professional and reliable service provider for all your hot water system needs in South East Melbourne. Our certified technicians specialise in the installation and repair of Thermann hot water systems, including the Thermann C7 and Thermann 16 models. With over decades of

experience working with these types of systems, we are highly qualified to provide outstanding plumbing service at an affordable price.

Our customer reviews speak volumes about our commitment to providing excellent quality workmanship and outstanding customer care. Mr Plumber understands that when it comes to installing or repairing hot water systems, prompt response and quality assurance are essential.

We take pride in offering top-notch services every time, no matter how big or small the job may be. Mr Plumber is proud to be the preferred choice for residents in South East Melbourne who rely on efficient hot water solutions provided by Thermann products.

Mr Plumber is committed to providing the best service possible for our clients.

Thermann Hot Water Systems

Therman 125l hot water system.

More and more homeowners are turning to Thermann hot water systems due to their longevity, high-capacity storage tanks, and energy-efficiency. With an extensive selection of continuous flow, solar-boosted, electric, and instantaneous gas models available, you can easily find the right fit for your needs.

Here are several types of hot water system technologies: 

  • Solar Boosted Hot Water Systems: Innovative way to reduce energy costs and environmental emissions. Works by capturing heat from the sun to heat water in the tank. Thermann customers report that they’ve noticed no difference in performance when compared to standard hot water systems.

  • Heat Pump: Great alternative to traditional heating systems since heat pumps require less energy. They transfer warm air from one space (e.g., outside) and sends it to the cold water in the pipes, effectively warming it. With prices ranging from around $3000 to over $5,000, the Thermann X Hybrid and X Split heat pump electric systems provide tremendous value for money and come with an impressive warranty of 2, 5, 6, or 10 years depending on which system you choose.

  • E-Plus Systems: Thermann’s E-Plus units have been developed with a mission to reduce the environmental impact of hot water systems. One of the most effective E-Plus units is the Thermann C7. It saves up to 75% of escaped exhaust heat and uses it to preheat water.


In addition, the long-term durability of Thermann storage tanks is a key factor why people have started choosing them over competing brands. With its rust resistant design and corrosion protection coating, Thermann tanks are designed to last. Not to mention, their triple layer insulation keeps water hot for extended periods of time and makes sure you never run out of hot water during heavy usage periods.

The Thermann hot water system is designed for easy installation in any home, regardless of size or existing infrastructure. You can even choose from an array of sizes and models so you can find the perfect fit for your home’s specific needs. What’s more, these units come with a variety of safety features such as scald protection and pressure relief valves that ensure safe operation at all times.


  • Thermann C7: Thermann C7 has a capacity of 26L and can reduce wasted energy by pre-heating the water using heat from the gas exhaust. Comes with a 12-year warranty.

  • Thermann 16: Available in both natural gas (NG) and liquified petroleum gas (LPG) models, the Thermann 16 offers users a choice between 50 and 60-degree Celsius temperatures. Suitable for a wide range of applications from residential homes to large commercial premises. 

  • Thermann 20: This high-efficiency model is perfect for households with two to four people and can cover up to one or two bathrooms. Thermann 20 has a 6-star energy efficiency rating, making it both efficient and cost-effective.

  • Thermann 135: Thermann 135L has a commercial-grade enamel water heater tank, designed to provide reliable hot water in both low and mains pressure applications. With its thicker anode, it is perfect for larger homes that require a greater amount of hot water on demand.

  • Thermann 26: The Thermann 26L is a natural gas-fuelled water heater that has been designed to deliver superior energy efficiency. Its 6.1-star energy rating ensures it uses less fuel than most other models. 

  • Thermann 400L Hot Water System: The Thermann 400L hot water system can cover the needs of up to 3-4 bathrooms in a 4-5 person household. It uses electricity to power its operation.


Mr Plumber is not only your one-stop shop in South East Melbourne for hot water servicing, maintenance, and repair. We can also assist you in selecting the right hot water system for your home. We can source a range of high-quality hot water systems that are tailored to fit each of our customers’ individual requirements. Our experienced team can help you find the best Thermann hot water solution for your needs and budget.

Don’t hesitate to visit our booking page or give us a call on 1800 758 623 today!

Popular Thermann Hot Water System Models

Thermann hot water systems offer a variety of benefits, from energy efficiency to cost savings. If you're looking to upgrade your home or business with a reliable, efficient hot water system, there are several popular Thermann hot water system models to consider.


  • Thermann R-Series Continuous Flow: All R-Series Continuous Flow units come with preheat functionality for faster warm-up times and enhanced reliability over time. 12-year warranty on the heat exchanger.

  • Thermann X Hybrid Heat Pump: Revolutionary water heating system engineered in Germany that has been specifically designed for Australian conditions. This innovative technology extracts heat from the ambient air and quietly transfers it to your hot water.

  • Thermann Electric Boosted Solar: Designed to accommodate households of up to 6 people. Come with a range of 3 different tank capacities: 250L, 314L and 400L.

  • Thermann 6 Star Continuous Flow: Also comes with an impressive 12-year warranty. Features advanced technology to ensure maximum energy efficiency. 

Thermann Hot Water Installation Service Melbourne

Thermann c7 gas continuous flow hot water system.

Mr Plumber is one of the most trusted plumbing companies in Melbourne CBD. Thermann is the perfect brand for Melbourne homeowners looking to upgrade their home’s comfort. We specialise in Thermann hot water installation and repair. We also provide high-quality plumbing services in the eastern suburbs of Melbourne, as well as the south eastern suburbs of Melbourne.

Whether you need an emergency repair or routine maintenance, our team has your back. For Thermann hot water service needs in Melbourne, give Mr Plumber a call right away.



  • East Melbourne

  • South East Melbourne

  • Melbourne CBD

Mr Plumber is a Certified Known Thermann Supplier and Installer for South East Melbourne

Mr Plumber logo.

Mr Plumber has been a reliable Thermann hot water system supplier in South East Melbourne and the Melbourne CBD for decades. Our team of licensed plumbers have provided quality hot water installation services to customers across the city.

We can source any type of Thermann model for you, including the Thermann C7 and the Thermann 16. With fully trained technicians, customers get long-lasting performance from their units with our top-notch hot water servicing. 

Mr Plumber

In addition, Mr Plumber offers free quotes for any kind of service or repairs so there are no surprises when it comes to costs.

Install a Thermann today minus the hassle. Book your Thermann hot water installation on 1800 758 623.

Book Your Thermann Hot Water Installation

Mr Plumber is your one-stop shop for all of your hot water plumbing needs. We offer professional Thermann hot water system installation services and are the perfect choice to make sure that you get the right system installed in your home. 

Booking with us has never been easier. Just visit our booking page or call us on 1800 758 623 and we’ll take care of the rest!

Thermann Hot Water System Reviews

Woman's hand ticked on 5 stars review.

Thermann hot water system reviews from customers show that these units provide quality, consistent hot water at all times. From instantaneous gas and continuous flow models to electric hot water system and heat pump options, Thermann hot water systems offer energy savings and greater control over temperatures. The systems have been tested and approved by leading industry experts with users praising their efficiency, reliability, and overall performance.


Each Thermann model offers different features and benefits depending on your needs.

Thermann 6 Star Continuous Flow: The system is renowned for its reliability and energy efficiency, with reviews claiming that using this heater did not result in significant increase in utility bills. 

Thermann Electric Boosted Solar: Homeowners wanting to reduce their carbon footprints will be delighted by the Therman Electric Boosted Solar. Regarded as one of the best solar hot water systems in the market, many users have praised this unit’s reliability and cost effectiveness compared to other brands. 

Thermann C7: The Thermann C7 Continuous Flow uses advanced technology to reduce wasted energy. It accomplishes this by pre-heating water with heat from the gas exhaust. Users have noticed a significant reduction in waiting time as well. Reviews further praise the product’s ease of installation and maintenance, making the C7 a great choice for those looking for a hassle-free hot water installation.

Comparing Thermann Hot Water Systems & Prices

When looking to purchase a new hot water system, it’s important to consider not just the price of the unit itself, but also the cost of installing a hot water system. It’s important to factor in installation costs as well, as this can add up quickly depending on factors such as ease of access or location. 

Knowing how much each part of your purchase will cost you is essential for budgeting and ensuring that you get the best deal. 
The Thermann electric hot water system prices vary depending on size and model.


  • Thermann 125L Electric Hot Water System: Starts at around $900. This unit features dual-handed water connections and has a storage capacity of 130L. Compared to other hot water systems with bigger storage tanks, this compact unit can meet your needs just fine without breaking the bank.

  • Thermann 135L Natural Gas Hot water System: Priced at around $1,600, including installation and delivery fees. While the 135L is a significant jump price-wise from the 125L, this option would make more sense for 2-4 person households. This model has a 4-star energy efficiency rating and can connect to full mins pressure taps.

  • Thermann 250L Hot Water System: Unit comes with a price tag of $1400, not including the installation costs. Proven to be a reliable and efficient hot water solution for residential homes hosting 3 to 5 persons with multiple bathrooms. Features a high-quality stainless steel tank that is sure to last for a long time. With this unit’s durability, guaranteeing years of trouble-free operation, as well as a comprehensive 10-year warranty, you can easily obtain a return on investment with the Thermann 250L.

  • Thermann 140L Hot Water System: The biggest draw of the Thermann 140L is definitely its price point. Starting at around $1000, this electric-powered hot water system offers unbeatable value for money when compared to other similar systems on the market. The Thermann 140L is mid-priced but does the job just as well as the units with more advanced features and bigger storage tanks. It also comes with an impressive 10-year warranty for added peace of mind. 


Mr Plumber strives to provide our customers with affordable solutions that meet their unique requirements. We can source any Thermann hot water system at the best possible prices. We make it our mission to help our customers get the best deal possible on their hot water systems. Contact us today to get a free quote!


Frequently Asked Questions About Thermann Hot Water Systems

Are Thermann Water Heaters Good?

Thermann water heaters come highly recommended by both plumbers and homeowners alike. Furthermore, they are backed by an impressive warranty period which ensures your investment will be protected against any manufacturing defects or performance issues down the line. 

Who Is Thermann Made By?

Thermann is an Australian-owned company that specialises in providing residential, commercial, and industrial water heating solutions.

Where to Find a Thermann Certified Plumber in Melbourne?

Mr Plumber is a certified Thermann plumber, servicing the eastern and south eastern suburbs of Melbourne. Our friendly team of professionals are available 24/7 to ensure your plumbing needs are met with complete satisfaction.

What Brand of Hot Water System Is Most Reliable?

Thermann is one of the leading hot water system brands that you can trust when investing in your home’s heating needs. 

Is Thermann Made in Australia?

Thermann is a 100% Australian-owned and operated company that has been providing hot water solutions for Australian households since its establishment.

Frequently Asked Questions

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