Top Gas Hot Water Systems in Australia for 2024: Efficiency Meets Reliability
Looking for a gas hot water system that delivers reliable, energy-efficient hot water for your home? Whether you're upgrading an existing system or installing a new one, choosing the right gas hot water heater can save you money on energy bills while ensuring a steady supply of hot water when you need it most.
This guide covers the best gas hot water systems available in 2024, their benefits, and how to choose the right one for your home.
Why Choose a Gas Hot Water System?
Gas hot water systems are a popular choice among Australian households due to their energy efficiency, cost-effectiveness, and instant hot water supply. Compared to electric systems, they:
✅ Heat water faster than electric units
✅ Lower running costs (especially with natural gas)
✅ Continue working during power outages
✅ Provide endless hot water with continuous flow models
There are two main types of gas hot water systems:
1️⃣ Gas Storage Hot Water Systems – Store heated water in a tank, ensuring instant access but may run out during peak usage.
2️⃣ Instantaneous (Continuous Flow) Gas Hot Water Systems – Heat water only when needed, offering unlimited hot water and lower energy consumption.
Best Gas Hot Water Systems in 2024
Here are the top-rated gas hot water systems for Australian homes in 2024, chosen based on efficiency, reliability, and customer reviews.
1️⃣ Rinnai Infinity 26 – Best Overall Gas Hot Water System
🔥 Type: Instantaneous / Continuous Flow
🔥 Capacity: 26L per minute (suitable for medium to large households)
🔥 Energy Rating: 6+ Star
🔥 Warranty: 12 years on the heat exchanger
💡 Why It’s Great:
✔ High-efficiency continuous flow system ensures unlimited hot water
✔ Compact design with indoor and outdoor models available
✔ Compatible with natural gas & LPG
✔ Precise temperature control with optional remote
💰 Cost Estimate: $1,200–$1,500 (excluding installation)
2️⃣ Rheem Metro 26 – Best Budget-Friendly Option
🔥 Type: Instantaneous / Continuous Flow
🔥 Capacity: 26L per minute
🔥 Energy Rating: 6 Star
🔥 Warranty: 10 years on the heat exchanger
💡 Why It’s Great:
✔ Affordable pricing without compromising efficiency
✔ Space-saving compact design
✔ Works well for small to medium households
✔ Electronic ignition for energy savings
💰 Cost Estimate: $1,000–$1,300 (excluding installation)
3️⃣ Thermann 26 Gas Continuous Flow – Best for Large Households
🔥 Type: Instantaneous / Continuous Flow
🔥 Capacity: 26L per minute
🔥 Energy Rating: 6 Star
🔥 Warranty: 10 years on the heat exchanger
💡 Why It’s Great:
✔ High water flow rate for larger homes with multiple bathrooms
✔ Durable, low-maintenance design
✔ Compatible with LPG & natural gas
✔ Ideal for regions with colder climates
💰 Cost Estimate: $1,100–$1,400 (excluding installation)
4️⃣ Dux Always Hot 26 – Best for Colder Climates
🔥 Type: Instantaneous / Continuous Flow
🔥 Capacity: 26L per minute
🔥 Energy Rating: 6+ Star
🔥 Warranty: 12 years on the heat exchanger
💡 Why It’s Great:
✔ Strong water pressure even in colder areas
✔ Energy-efficient low emission burner technology
✔ Compact, wall-mounted unit
✔ Reliable Australian brand
💰 Cost Estimate: $1,000–$1,400 (excluding installation)
5️⃣ Vulcan Freeloader 170L – Best Gas Storage System
🔥 Type: Gas Storage Tank
🔥 Capacity: 170L (suitable for families of 3-5 people)
🔥 Energy Rating: 4 Star
🔥 Warranty: 7 years on the tank
💡 Why It’s Great:
✔ Instant hot water storage for homes with high usage
✔ Affordable alternative to continuous flow models
✔ Quick recovery rate ensures minimal downtime
✔ Ideal for households without a natural gas connection
💰 Cost Estimate: $900–$1,200 (excluding installation)
How to Choose the Best Gas Hot Water System for Your Home
Before purchasing a gas hot water system, consider:
✔ Household Size & Usage – Choose a capacity that matches your daily hot water demand. Instantaneous models are better for larger families.
✔ Available Space – Storage tanks need more room, while continuous flow units are compact.
✔ Climate & Water Pressure – Some models perform better in colder climates or areas with low water pressure.
✔ Energy Efficiency – Higher star ratings mean lower running costs.
✔ Gas Type – Ensure compatibility with natural gas or LPG based on your home’s connection.
🔧 Installation Tip: Always hire a licensed plumber to install your system correctly and ensure compliance with Australian standards.
Installation & Running Costs of Gas Hot Water Systems
💰 Gas Hot Water System Prices:
✔ Storage Tank Models: $800–$1,500
✔ Continuous Flow Models: $1,000–$2,000
🛠️ Installation Costs:
✔ New Install: $700–$1,500
✔ Replacement Install: $500–$1,200
⚡ Running Costs:
✔ Gas storage systems: $250–$600 per year
✔ Continuous flow systems: $150–$500 per year
⏳ Lifespan: Most gas hot water systems last 10–15 years with proper maintenance.
Maintenance Tips for Gas Hot Water Systems
To keep your system running efficiently, follow these maintenance tips:
✅ Annual Service Check – Get a professional plumber to inspect for leaks & efficiency.
✅ Flush the System – Helps remove sediment buildup in storage tanks.
✅ Check for Gas Leaks – Ensure safety by smelling for gas or using a leak detector.
✅ Monitor Water Temperature – A fluctuating temperature may indicate a faulty thermostat.
✅ Replace Anode Rod (Storage Tanks) – Prevents rust and extends the tank’s lifespan.
Final Verdict: Which Gas Hot Water System Should You Buy?
🔹 Best Overall: Rinnai Infinity 26 – Reliable, energy-efficient, and perfect for most households.
🔹 Best Budget Pick: Rheem Metro 26 – Great value for money.
🔹 Best for Large Homes: Thermann 26 – Handles multiple showers at once.
🔹 Best for Colder Climates: Dux Always Hot 26 – Maintains strong water pressure.
🔹 Best Storage Tank: Vulcan Freeloader 170L – Great for homes without natural gas.
Whether you need instant hot water or a high-capacity storage system, there’s a gas hot water system that’s perfect for your home.
For expert advice & professional installation, visit JR Gas & Water and get a FREE quote today!
Want to learn more about water heating solutions? Stay tuned for our latest blogs on heat pumps, solar hot water, and energy-saving tips!
