Which Hot Water System Is Best for Your Perth Home? Your 2025 Guide

Which Hot Water System Is Best for Your Perth Home? Your 2025 Guide
Choosing the right hot water system in Perth is crucial for comfort, energy efficiency, and long-term savings. Whether you’re replacing an old system, upgrading to a more efficient model, or installing for the first time, navigating your options can feel overwhelming. From electric storage, gas, solar, to heat pump hot water systems, each comes with unique benefits and considerations.
At Ember Plumbing & Gas, we are Perth’s trusted hot water specialists. Our licensed plumbers provide expert guidance to help homeowners select, supply, and install the perfect system for their home, lifestyle, and budget.
Which Hot Water System Is Right for Your Perth Home?
Every home has unique hot water needs. Understanding each system type helps you make an informed decision for your hot water system Perth.
Heat Pump Hot Water Systems – Efficient Year-Round
Heat pump hot water systems are among the most energy-efficient options for Perth homes. These systems extract heat from the air to heat water, using up to 70% less electricity than conventional electric systems. Unlike rooftop solar, heat pumps provide consistent hot water year-round—even during cloudy or cooler days.
Benefits of heat pumps in Perth:
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Significantly reduced electricity consumption
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Reliable hot water supply year-round
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Environmentally friendly with lower carbon emissions
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Long lifespan and low maintenance requirements
Tip: Pairing a heat pump with solar PV can further reduce running costs, making it a highly cost-effective choice for eco-conscious households.
Solar Hot Water Systems – Harnessing Perth Sunshine
Rooftop solar hot water systems have long been a popular choice in Perth due to our abundant sunlight. They reduce energy bills and your household’s carbon footprint. However, rooftop tanks are exposed to the elements, which can lead to wear over time. Replacement costs for roof-top solar systems can exceed $8,000—far higher than the cost of installing a heat pump system.
Why consider solar systems in Perth:
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Extremely energy-efficient on sunny days
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Long lifespan with proper maintenance
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Environmentally friendly and sustainable
Limitations: Solar systems rely on sunlight, making them less effective on cloudy days or during winter.
Electric Hot Water Systems – Practical and Reliable
Electric storage hot water systems remain a practical and cost-effective choice for many Perth homes. These systems store hot water in a tank, ready for use throughout the day. Instantaneous electric systems heat water on demand, but can have higher running costs without solar PV support.
Advantages:
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Affordable upfront installation cost
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Simple to install and maintain
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Ideal for small to medium-sized households
Considerations: Running costs can be higher than gas or heat pump systems, particularly for larger homes.
Gas Hot Water Systems – Continuous Flow for Families
For Perth homes with high hot water demand, gas hot water systems are a reliable choice. Continuous flow gas systems provide instant hot water, making them ideal for households with multiple bathrooms or high daily usage.
Benefits:
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Endless hot water supply
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Efficient for high-demand households
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Long lifespan when properly maintained
Considerations: Requires a gas connection and slightly more complex installation than electric systems.
Hot Water System Perth Comparison Table
Here’s a detailed comparison of the main hot water systems available for Perth homes today:
Hot Water System Type | Typical Installation Cost (Perth) | Average Lifespan | Running Costs | Pros | Cons |
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Heat Pump Hot Water System | $3,500 – $6,500 | 10–15 years | Low | Highly energy-efficient; year-round reliability; eco-friendly | Higher upfront cost than electric |
Solar Hot Water System | $5,000 – $8,500 | 10–20 years | Very low | Uses renewable energy; reduced carbon footprint; long lifespan | Dependent on sunlight; high replacement cost; rooftop tank exposure |
Electric Storage Hot Water System | $1,500 – $3,500 | 8–12 years | Moderate | Affordable upfront; simple installation; reliable | Higher running costs without solar PV; limited efficiency |
Electric Instant Hot Water System | $1,800 – $4,000 | 10–12 years | Moderate-High | Hot water on demand; compact design | Higher running costs; may not suit large households |
Gas Storage Hot Water System | $2,500 – $4,500 | 10–15 years | Low-Moderate | Continuous hot water; efficient for families; longer lifespan | Requires gas supply; installation slightly more complex |
Gas Instantaneous Hot Water System | $3,000 – $5,500 | 10–15 years | Low | Endless hot water; energy-efficient for large homes | Higher upfront cost; gas connection required |
Factors to Consider When Choosing a Hot Water System in Perth
Choosing the right hot water system Perth isn’t just about upfront cost. Consider these factors:
Household Size and Hot Water Usage
Large families with multiple bathrooms often benefit from gas instantaneous or storage systems, while smaller households may find electric storage or heat pump systems sufficient.
Available Space and Installation Options
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Heat pumps and electric storage systems can be installed on the ground or roof
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Solar systems require adequate rooftop space with sun exposure
Energy Source and Efficiency Goals
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Gas and heat pumps are highly efficient for large or high-demand households
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Solar systems are ideal for eco-conscious homeowners seeking renewable energy solutions
Government Rebates and Incentives
Certain systems, such as heat pumps and solar, may qualify for government rebates or small-scale technology certificates (STCs), reducing installation costs.
Expert Advice
A licensed Perth plumber can help determine the most suitable system based on household needs, space, and budget. At Ember Plumbing & Gas, we provide free expert advice and quotes to help you choose wisely.
Why Choose Ember Plumbing & Gas for Hot Water Systems in Perth
As a leading provider of hot water system replacement Perth, Ember Plumbing & Gas delivers reliable solutions for every household:
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Licensed installation with compliance to WA plumbing regulations
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Lowest price guarantee on all hot water systems
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Expert guidance on electric, gas, solar, and heat pump options
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Friendly service backed by 5-star reviews
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Same-day servicing for urgent hot water issues
We pride ourselves on delivering quality service with transparent pricing and long-term peace of mind for Perth homeowners.
Ready to Replace or Upgrade Your Hot Water System in Perth?
Whether you’re replacing an old system, converting to a heat pump, or installing solar hot water, Ember Plumbing & Gas can help. We offer:
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Free expert advice and personalized recommendations
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Transparent quotes and pricing
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Hassle-free installation by licensed plumbers
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Full compliance with WA plumbing regulations
📞 Call us today at 0477 777 301 or visit our website to explore our full range of hot water systems Perth and schedule your installation. Enjoy reliable hot water, lower energy bills, and peace of mind with Ember Plumbing & Gas.