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Navigating Hot Water Systems in Perth: 6 Common Challenges and How to Overcome Them

Perth’s climate and lifestyle demand reliable hot water systems year-round. Whether you’re a long-time resident or new to this vibrant city, understanding the unique challenges associated with hot water systems in Perth is crucial.

In this article, we’ll explore six common challenges and provide practical tips to help you maintain a consistent hot water supply.


#1: Hard water woes

The problem: 

Perth is known for having hard water. Hard water has a high mineral content, which can build up in hot water systems, reducing efficiency and potentially damaging components. For example, a large amount of sediment in the storage tank can cause the thermostat for your heating element to malfunction, potentially causing your hot water heater to heat water to an unsafe temperature.

Hard water can also cause the deterioration of heating elements and leaks due to weak spots in the tank. Built-up minerals can even cause blockages in piping and impact water pressure.



To combat this, consider installing a water softener to prevent mineral buildup. Water Corporation also recommends releasing pressure valve taps for a few seconds each month or so to overcome the problem of having scale damage your hot water system.

It’s also recommended that you consult a professional hot water system technician or plumber for maintenance recommendations or advice specific to Perth’s water quality.


Technician setting the appropriate temperature on the hot water system


#2: Weathering the heat


It might be hard to believe, but Perth’s scorching summers can put additional strain on hot water systems. A heat wave can see hot water systems overheat as they struggle to heat water to the correct temperature.

Hot temperatures outside also lead to a higher demand for hot water inside as people stay at home, have more than one shower a day, do more loads of washing, and run the dishwasher more often.


The solution:

Ensure your system is appropriately sized to meet your household’s needs and consider installing temperature control devices to prevent overheating. It’s also important to regularly check for leaks and signs of overheating during the summer months.

Read more about the reasons why it is important to set your hot water heater to the right temperature.


#3: Cold winter worries

The problem: 

While you can still get away with wearing shorts during a Perth winter, nights can become surprisingly cold in Western Australia. Not only does this put extra stress on water heaters as demand increases, but it can also lead to a less-than-ideal water temperature when you turn on your hot tap. A lower air temperature will cool the water as it travels through your pipes.

The stress of large temperature differences in winter can cause an older hot water system to leak, so inspect it regularly.


The solution:

To prevent cold showers in winter, insulate your hot water pipes to maintain a consistent water temperature and flow. You may even consider installing a gas or electric storage system with reliable temperature control to ensure a steady hot water supply.

Severe weather can also cause the pilot light on a gas unit to go out, so read our article on how to reignite gas hot water systems to get your burner working again.


solar power panels on a roof


#4: Solar panel maintenance

The problem:

Solar hot water systems are ideally suited for use in Perth’s sunny homes. However, they do need a bit of attention and maintenance to keep them running efficiently. One of the most common challenges that needs navigating with solar is how to keep the roof panels clean.


The solution: 

Hire a professional solar panel cleaning service to remove dust and debris and ensure the peak performance of your solar hot water system. If a lack of sunshine is leaving you cold, consider boosters for your solar system to top up your system using electricity.

If you’re considering installation, make sure you think about the location of the panels on your roof to maximise sun exposure, as you could be left out in the cold if they are not in the right position.

For more of the ins and outs of solar, read our article on solar hot water vs traditional hot water heaters.


#5: Power price problem

The problem:

Despite having a regulated energy market, the cost of power continues to rise in Western Australia. So, if your hot water system is reaching its lifespan, investing in an energy-efficient water heater makes sense.


The solution:

There are several types of water heaters that can help you cut running costs. Consider upgrading to a solar hot water system in your Perth home, which can significantly reduce your energy bills while being environmentally friendly.

A heat pump is another type of model that’s rapidly growing in popularity. Heat pump hot water systems work well in warm climates, and they cut power usage by relying on renewable energy.


Rheem Ambiheat HDc270 Heat Pump


#6. Trustworthy repair company

The problem:

It can be difficult to know who to call for hot water system replacement or repair in Perth. However, a reliable local hot water system service provider will have all the knowledge and expertise to fix your system without inconveniencing your family.


The solution:

The team at Same Day Hot Water Service offers clear communication, high-quality workmanship and competitive pricing whether you need hot water system repairs, replacement, servicing or installation. Our Google reviews and customer testimonials speak for themselves!


Hot water systems to suit your home’s unique needs

By understanding and addressing the unique challenges of hot water systems in Perth, you can ensure a reliable and efficient hot water supply for your home. From managing hard water issues to optimising energy efficiency, following these tips will help you confidently navigate the hot water system worries of Perth.


Boy washing his hands under a kitchen tap


Call Same Day Hot Water Service for peace of mind.

Whether your hot water system isn’t big enough for your family or it is corroded and leaking, the plumbing services provided by Same Day Hot Water Service give residents and business owners of Perth peace of mind. We can answer all of your questions, discuss our range of models from Rinnai to Rheem and everything in between, and work through the best choice for your house or property from our list of modern, reliable systems.

We offer value for money on new hot water systems and installation of our products, and we guarantee fast repairs. So, pick up the phone and contact Same Day Hot Water Service today by calling 1300 160 956.

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