2025 Best Gas Storage Hot Water System Awards

Feb 21, 2025

Choosing the Best Gas Storage Hot Water System

When it comes to efficient and reliable hot water, gas storage systems remain a popular choice for Australian households. Whether you prioritize energy efficiency, fast recovery times, or long-term durability, selecting the right system can have a major impact on your home's energy consumption and overall performance.

At JR Gas & Water, we’ve compared and ranked the top gas storage hot water systems based on:

✅ Energy Efficiency (Star Rating) ✅ Initial Install Cost & Value for Money ✅ Longevity & Durability ✅ After-Sales Support & Warranty ✅ Special Features & Recovery Rate ✅ Tank Material & Installation Flexibility

After rigorous evaluation, here’s our 2025 gas storage hot water system showdown! 🔥⛽

🏆 2025 Gas Storage Hot Water System Rankings

🥇 1. Rheem 5-Star 340L Stainless – Best Overall Performer ⭐76

🥈 2. Rheem Stellar 330 – Best for High-Performance & Fast Recovery ⭐74

🥉 3. Rheem 5-Star 130L – Best Compact 5-Star Model ⭐74

4️⃣ 4. Everhot 5.5-Star 130/272L – Best for Energy Efficiency ⭐72

5️⃣ 5. Everhot 5-Star 130L – Best for Balanced Performance ⭐72

6️⃣ 6. Aquamax G270SS – Best for Stainless Steel Durability ⭐71

7️⃣ 7. Vulcan 4-Star 135L – Best Budget-Friendly Option ⭐60

8️⃣ 8. Everhot 135L 4-Star – Best Affordable Alternative ⭐60

9️⃣ 9. Rheem 4-Star 135L – Best Mid-Range Performer ⭐60

🔟 10. Dux Prodigy 5 135L – Best for Fast Heating on a Budget ⭐58

1️⃣1️⃣ 11. Rinnai 4-Star 135L – Best for Brand Reliability ⭐55

1️⃣2️⃣ 12. Thermann 4-Star 135L – Best Entry-Level 4-Star Option ⭐50

1️⃣3️⃣ 13. Dux Prodigy 4 135L – Best Basic Budget Choice ⭐50

🥇 1. Rheem 5-Star 340L Stainless – Best Overall Performer

Score: ⭐76

Energy Efficiency: ★★★★★ (5-star)
Initial Install Cost: ⭐⭐⭐☆ (Moderate)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Industry-leading warranty)
Special Features: Stainless steel tank, ultra-fast recovery, 5-star efficiency
Best For: Large families & high-demand households

Why It’s #1:

The Rheem 5-Star 340L Stainless is the ultimate choice for homeowners who want premium performance, high efficiency, and long-term durability. Featuring a stainless steel tank, this unit resists corrosion, ensuring a longer lifespan with minimal maintenance. Its high 5-star efficiency rating helps lower running costs, making it a smart long-term investment.

With an exceptional recovery rate and high water capacity, it guarantees that hot water is always available, even for large families. The strong after-sales support and warranty make this an unbeatable top pick for 2025.

✅ Pros:

✔️ Highly energy-efficient (5-star rating) ✔️ Stainless steel tank resists corrosion ✔️ Ultra-fast recovery rate for constant hot water ✔️ Exceptional warranty & brand reputation ✔️ Perfect for large households with high usage

❌ Cons:

Higher initial install cost
Requires professional installation due to size

Who Should Buy It?

If you need the best-performing, most durable gas storage hot water system, the Rheem 5-Star 340L Stainless is the ultimate choice for high-demand homes.

🥈 2. Rheem Stellar 330 – Best for High-Performance & Fast Recovery

Score: ⭐74

Energy Efficiency: ★★★★★ (5-star)
Initial Install Cost: ⭐⭐⭐⭐☆ (Slightly higher but worth it)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Industry-leading service)
Special Features: Ultra-fast recovery rate, durable build, high efficiency
Best For: Households with high hot water demand

Why It’s #2:

The Rheem Stellar 330 is designed for high-demand households, offering an exceptionally fast recovery rate that ensures continuous hot water, even during peak usage times. It’s a trusted option for families who never want to run out of hot water.

With high energy efficiency, a durable tank, and excellent after-sales support, this system is one of the best-performing gas storage hot water units available. It narrowly misses the top spot but remains a premium choice for those prioritizing fast recovery and reliable performance.

✅ Pros:

✔️ Extremely fast recovery time ✔️ Energy-efficient 5-star rating ✔️ Long lifespan & robust construction ✔️ Great for large households with high water usage ✔️ Strong brand reputation & warranty support

❌ Cons:

Slightly higher upfront cost
Bulkier than some models, requiring ample installation space

Who Should Buy It?

If you have a busy household with frequent hot water use, the Rheem Stellar 330 ensures you’ll never run out of hot water, making it a top-tier choice for performance-focused buyers.

🥉 3. Rheem 5-Star 130L – Best Compact 5-Star Model

Score: ⭐74

Energy Efficiency: ★★★★★ (5-star)
Initial Install Cost: ⭐⭐⭐⭐☆ (Moderate pricing for premium efficiency)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Excellent service & support)
Special Features: Compact size, high efficiency, reliable performance
Best For: Households needing a high-efficiency unit in a smaller footprint

Why It’s #3:

The Rheem 5-Star 130L is a fantastic option for households looking for a space-efficient gas storage system without compromising on energy efficiency and performance. With a 5-star rating and exceptional longevity, it provides reliable hot water while keeping energy costs low.

Despite its smaller 130L capacity, it still offers fast heating and recovery, making it a great option for small to medium households. Its strong after-sales support and industry-leading warranty solidify its place among the top gas storage units of 2025.

✅ Pros:

✔️ Compact design fits into smaller installation spaces ✔️ Highly energy-efficient 5-star rating ✔️ Long-lasting performance with strong warranty ✔️ Fast heat recovery for reliable hot water supply ✔️ Excellent after-sales support from Rheem

❌ Cons:

Smaller capacity may not suit larger families
Not as fast a recovery rate as larger Rheem models

Who Should Buy It?

If you’re looking for a compact, high-efficiency gas storage system that delivers great performance while saving on energy bills, the Rheem 5-Star 130L is an excellent choice for smaller households.

4. Everhot 5.5-Star 130/272L – Best for Energy Efficiency

Score: ⭐72

Energy Efficiency: ★★★★★☆ (5.5-star, highest on the list)
Initial Install Cost: ⭐⭐⭐☆ (Moderate pricing)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Reliable warranty & service network)
Special Features: Highest energy efficiency, available in multiple sizes (130L & 272L), fast heat recovery
Best For: Homeowners wanting the most energy-efficient gas storage system

Why It’s #4:

The Everhot 5.5-Star 130/272L is the most energy-efficient gas storage hot water system on our list. With an impressive 5.5-star energy rating, it’s designed to minimize running costs while still delivering fast and reliable hot water.

Available in both 130L and 272L capacities, it offers versatility for different household sizes. If energy savings are your top priority, this system delivers premium efficiency at a competitive price.

✅ Pros:

✔️ Highest energy efficiency (5.5-star rating) ✔️ Choice of 130L or 272L models for different household needs ✔️ Fast heat recovery ensures consistent hot water supply ✔️ Strong warranty and after-sales support ✔️ Lower long-term running costs

❌ Cons:

Higher initial cost than standard 4-star models
Larger 272L unit requires more installation space

Who Should Buy It?

If you want the most energy-efficient gas storage hot water system to save on energy bills long-term, the Everhot 5.5-Star 130/272L is a top-tier choice for eco-conscious households.

5. Everhot 5-Star 130L – Best for Balanced Performance

Score: ⭐72

Energy Efficiency: ★★★★★ (5-star)
Initial Install Cost: ⭐⭐⭐☆ (Moderate pricing)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Reliable warranty & service network)
Special Features: Energy-efficient, consistent performance, well-balanced capacity
Best For: Homeowners wanting a reliable and efficient mid-range gas storage system

Why It’s #5:

The Everhot 5-Star 130L is a well-rounded gas storage system that balances energy efficiency, performance, and affordability. Its 5-star energy rating ensures that households enjoy lower running costs, while its 130L tank provides consistent hot water for small to medium-sized families.

With a strong warranty and reliable after-sales support, this unit is an excellent option for those who want a cost-effective yet efficient system without compromising on performance.

✅ Pros:

✔️ Great balance between energy efficiency and price ✔️ Reliable 130L capacity for small to medium households ✔️ Fast heat recovery ensures uninterrupted hot water ✔️ Strong brand reputation and warranty support ✔️ Lower running costs than 4-star models

❌ Cons:

Not as energy-efficient as the 5.5-star version
May not be suitable for large households with high water demand

Who Should Buy It?

If you need an efficient, reliable, and cost-effective gas storage hot water system, the Everhot 5-Star 130L is a fantastic mid-range choice that delivers great performance without breaking the bank.

6. Aquamax G270SS – Best for Stainless Steel Durability

Score: ⭐71

Energy Efficiency: ★★★★★ (5-star)
Initial Install Cost: ⭐⭐⭐☆ (Moderate pricing)
Longevity: ⭐⭐⭐⭐☆ (10+ years with stainless steel durability)
After-Sales Support: ⭐⭐⭐⭐⭐ (Strong warranty & customer service)
Special Features: Stainless steel tank, excellent heat retention, fast recovery rate
Best For: Homeowners wanting a durable, corrosion-resistant system with great efficiency

Why It’s #6:

The Aquamax G270SS is designed with a stainless steel tank, which not only provides better heat retention but also reduces the risk of corrosion, increasing the system’s overall lifespan. This makes it an excellent choice for homeowners looking for long-term durability with minimal maintenance.

With its 5-star energy rating and rapid heat recovery, it ensures a steady hot water supply while keeping operational costs low. The stainless steel build also eliminates the need for an anode, reducing maintenance requirements over time.

✅ Pros:

✔️ Stainless steel tank resists corrosion and improves longevity ✔️ 5-star energy efficiency lowers running costs ✔️ Fast recovery rate for consistent hot water supply ✔️ Lower maintenance due to no anode requirement ✔️ Strong brand reputation and after-sales support

❌ Cons:

Higher upfront cost compared to some 4-star models
Not as large capacity as some premium models

Who Should Buy It?

If you’re looking for a durable, energy-efficient, and low-maintenance gas storage hot water system, the Aquamax G270SS is a fantastic option for households prioritizing longevity and performance.

7. Vulcan 4-Star 135L – Best Budget-Friendly Option

Score: ⭐60

Energy Efficiency: ★★★★☆ (4-star)
Initial Install Cost: ⭐⭐⭐⭐☆ (Affordable pricing)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Reliable warranty & service network)
Special Features: Affordable, reliable, solid brand reputation
Best For: Homeowners looking for a budget-friendly gas storage water heater without sacrificing reliability

Why It’s #7:

The Vulcan 4-Star 135L is a cost-effective solution for households that want a dependable gas storage hot water system at an affordable price point. It provides steady hot water performance with a strong 20+ year lifespan, making it a value-packed choice for budget-conscious buyers.

Although it has a lower 4-star energy rating, it remains a popular choice for those wanting reliability without the premium price tag. Its widespread availability and solid warranty coverage make it a great choice for those prioritizing affordability.

✅ Pros:

✔️ Budget-friendly pricing ✔️ Reliable hot water performance ✔️ Long lifespan (20+ years) ensures value for money ✔️ Strong warranty & after-sales support ✔️ Good for small to medium households

❌ Cons:

Lower energy efficiency compared to 5-star models
Slower recovery rate than premium options
Basic design without advanced features

Who Should Buy It?

If you need a cost-effective gas storage hot water system that delivers consistent performance and longevity, the Vulcan 4-Star 135L is a great budget-friendly choice.

8. Everhot 135L 4-Star – Best Affordable Alternative

Score: ⭐60

Energy Efficiency: ★★★★☆ (4-star)
Initial Install Cost: ⭐⭐⭐⭐☆ (Affordable pricing)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Reliable warranty & service network)
Special Features: Reliable performance, cost-effective, solid brand reputation
Best For: Homeowners seeking an affordable gas storage water heater with strong warranty coverage

Why It’s #8:

The Everhot 135L 4-Star offers a dependable and budget-friendly alternative for those looking to install a reliable gas storage hot water system. With a solid 20-year lifespan and good energy efficiency, it provides steady hot water without the higher costs of premium models.

It is a great option for small to medium-sized households that need a simple and effective solution. With strong after-sales support, it ensures peace of mind for homeowners.

✅ Pros:

✔️ Budget-friendly pricing ✔️ Reliable and steady hot water performance ✔️ 20-year lifespan for long-term value ✔️ Good after-sales support and warranty ✔️ Widely available and easy to install

❌ Cons:

Lower energy efficiency than 5-star models
Lacks advanced features or fast recovery rate
Not ideal for large households with high water demand

Who Should Buy It?

If you’re looking for an affordable and reliable 4-star gas storage system, the Everhot 135L 4-Star is a great option that balances cost and longevity.

9. Rheem 4-Star 135L – Best Mid-Range Performer

Score: ⭐60

Energy Efficiency: ★★★★☆ (4-star)
Initial Install Cost: ⭐⭐⭐⭐☆ (Affordable pricing)
Longevity: ⭐⭐⭐⭐⭐ (20+ years)
After-Sales Support: ⭐⭐⭐⭐⭐ (Excellent service and warranty)
Special Features: Well-balanced performance, strong reliability, trusted brand
Best For: Homeowners wanting a mid-range, budget-friendly gas storage hot water system

Why It’s #9:

The Rheem 4-Star 135L is a great mid-range option, offering solid performance, strong warranty support, and affordability. While it doesn’t have the highest efficiency rating, its dependability and long lifespan make it a popular choice for small to medium households.

Backed by Rheem’s strong after-sales service, this model ensures homeowners have reliable hot water with minimal maintenance.

✅ Pros:

✔️ Well-balanced between price and performance ✔️ Long 20+ year lifespan for durability ✔️ Backed by Rheem’s excellent warranty support ✔️ Steady and reliable hot water supply ✔️ Affordable initial cost

❌ Cons:

Lower energy efficiency than 5-star models
Slower recovery rate compared to premium models
Lacks advanced features

Who Should Buy It?

If you’re looking for a dependable and affordable mid-range gas storage system, the Rheem 4-Star 135L is a great investment for long-term reliability and performance.

10. Dux Prodigy 5 135L – Best for Fast Heating on a Budget

Score: ⭐58

Energy Efficiency: ★★★★★ (5-star)
Initial Install Cost: ⭐⭐☆☆☆ (Lower upfront cost)
Longevity: ⭐⭐⭐☆☆ (12+ years)
After-Sales Support: ⭐⭐☆☆☆ (Limited service network)
Special Features: Fast heat recovery, compact design, efficient performance
Best For: Households looking for an affordable, high-efficiency gas storage water heater

Why It’s #10:

The Dux Prodigy 5 135L is an economical option that balances efficiency and affordability. With a 5-star energy rating, it provides strong heating performance while maintaining lower running costs. It features fast heat recovery, making it ideal for small to medium households needing quick access to hot water.

Although it has a lower warranty and shorter lifespan compared to premium models, it remains a solid budget-friendly choice.

✅ Pros:

✔️ 5-star energy efficiency for lower running costs ✔️ Fast heat recovery ensures reliable hot water supply ✔️ Lower upfront cost compared to premium models ✔️ Compact design for easy installation ✔️ Decent performance for small to medium households

❌ Cons:

Shorter lifespan than higher-end competitors
Limited after-sales support and warranty
Not ideal for high-demand households

Who Should Buy It?

If you need a budget-friendly, energy-efficient gas storage system with fast heat recovery, the Dux Prodigy 5 135L is a great value choice for smaller homes.

11. Rinnai 4-Star 135L – Best for Brand Reliability

Score: ⭐55

The Rinnai 4-Star 135L is a solid choice for homeowners who value a trusted brand. It delivers steady performance and durability, making it a dependable mid-range option. While it has a lower energy efficiency rating, its proven reliability and after-sales support make it a safe investment for many households.

✅ Pros: Reliable performance, strong brand reputation, decent lifespan. ❌ Cons: Lower energy efficiency than 5-star models, moderate servicing needs.

12. Thermann 4-Star 135L – Best Entry-Level 4-Star Option

Score: ⭐50

For those looking for an entry-level gas storage water heater, the Thermann 4-Star 135L offers a budget-friendly alternative. It provides basic functionality, making it ideal for low-demand households looking for an affordable yet reliable system.

✅ Pros: Budget-friendly, decent performance for small homes. ❌ Cons: Basic design, shorter lifespan, fewer advanced features.

13. Dux Prodigy 4 135L – Best Basic Budget Choice

Score: ⭐50

The Dux Prodigy 4 135L is a no-frills, cost-effective solution for households needing a simple gas storage water heater. While it lacks advanced features, it offers reliable heating at a low price point, making it a suitable choice for those on a strict budget.

✅ Pros: Affordable pricing, easy installation, steady hot water supply. ❌ Cons: Lower energy efficiency, limited warranty, slower recovery rate.

Final Thoughts: Choosing the Best Gas Storage Hot Water System

Selecting the right gas storage hot water system depends on your household size, energy efficiency goals, and budget. Our rankings provide a detailed breakdown of the top-performing models for 2025, ensuring you make a smart investment in a reliable and cost-effective system.

✅ Best Overall: Rheem 5-Star 340L Stainless – High efficiency & long-lasting durability ✅ Best High-Performance: Rheem Stellar 330 – Outstanding recovery time & reliability ✅ Best Budget Option: Vulcan 4-Star 135L – Affordable & dependable ✅ Best for Energy Savings: Everhot 5.5-Star 130/272L – Most efficient option ✅ Best for Stainless Steel Durability: Aquamax G270SS – Corrosion-resistant tank

At JR Gas & Water, we offer expert installation and competitive pricing on all major gas storage hot water systems. Let us help you choose the perfect model for your home! 🚀🔥

💧 Explore our full range at JR Gas & Water or contact us for expert advice and installation.