Hot Water Systems

Your local Solar Hot Water and Air Source Heat Pumps specialists

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Our Hot Water Services

Save money with our hot water solutions

Sanden Heat Pumps

Simmark offers a range of rebate-eligible air-source heat pumps which can supply domestic hot water very efficiently and maximise the value of a solar PV system on your roof.

Hot water heat pumps, also known as air source heat pumps, absorb heat from the outside air and dump it into your hot water storage tank. They are more efficient than conventional hot water systems and work in all weather conditions and at any time of the day or night.

Simmark installs hot water heat pumps in the Shoalhaven, Illawarra, and Southern Highlands, so it’s easy for you to start saving money on your energy bills today! We are proud to be dealer for Sanden, a leading heat pump brand in the industry.

Solar Hot Water

Did you know that water heating accounts for up to 30% of energy bills in most households? A solar hot water system harnesses the power of the Australian sun to heat your water, saving you money and reducing your greenhouse emissions. There are also government rebates available to offset the initial cost of installing a solar hot water system. 

Simmark offers a range of highly efficient solar water hot systems to customers in Nowra, Bowral, Illawarra and all surrounding areas. We can talk you through the different systems that are available, and help you choose the one that best suits the needs of you and your family.

Rinnai and Apricus are two of our preferred brands because we know they are reliable and built to withstand the harshest conditions.





hot water faq’s

What areas do you service?

Simmark has offices in Nowra, and Bowral. We provide our services to all surrounding areas of the Shoalhaven, Southern Highlands, and Illawarra regions. If you’re not sure whether we cover your area, please get in touch to discuss your requirements.

How quickly can you replace a hot water unit?

In most cases, we can supply and install a new hot water system on the same day.

How much does it cost to install a hot water system?
It depends. There are different types of hot water system, so the cost will vary from one job to the next. Our staff will provide you with an upfront quote, so you don’t need to worry about any hidden costs.
What types of solar hot water systems are available?
Simmark offers a range of solar hot water systems including:

  • flat plates
  • evacuated tubes
  • roof-mounted systems
  • split system solar collectors 


What are the benefits of a hot water heat pump?
Using a heat pump will save you money on your energy bills and lower your carbon footprint. Other benefits include:


  • easy to install
  • low maintenance
  • long lifespan
  • work in all weather conditions
What is the best hot water system brand?
We only work with high-quality brands we know are built to last such as Rheem, Rinnai and Everhot.
How long should a hot water system last?
On average, a hot water system will last between 10 and 15 years. When we are installing your new system, ask our friendly team about the applicable warranty for your new system.
What other services do you offer?

We offer a huge range of other services, including electrical & data, air conditioning, solar & batteries, commercial maintenance and security.

Do you guarantee your work?

All our work comes with a guarantee. We only use the highest-quality materials and brands we know we can trust, so we are confident you will be happy with our workmanship.Of course, if there is a problem, we will be more than happy to fix it for you!