Instant Gas Hot Water Systems – Brisbane & Gold Coast Supply and Installation
If you're upgrading your hot water system or tired of running out mid-shower, instant gas hot water is a smart choice. These systems heat water on demand, so there’s no bulky tank, no wasted energy, and no waiting for hot water to refill.
At JR Gas & Water, we supply and install top-rated instant gas hot water systems for homes across Brisbane, Logan, Ipswich, and the Gold Coast. Whether you're replacing an old unit or building new, our team makes it simple with professional, no-fuss service.
Why Choose an Instant Gas Hot Water System?
Also known as continuous flow systems, instant gas units only heat water when you turn on the tap. That means:
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Unlimited hot water whenever you need it
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Reduced energy bills thanks to zero standby heat loss
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Compact size that fits neatly on exterior walls
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Quick heat-up times and consistent water temperature
These systems are ideal for small homes, large households, and everything in between. With energy-efficient 5–6 Star models available, you’ll also reduce your environmental impact while saving on running costs.
Bestselling Instant Gas Systems We Install
We supply and professionally install a range of trusted brands, including:
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Rinnai B16 – Compact, reliable and perfect for smaller homes
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Rinnai Infinity 26 – A best-seller for families needing strong flow rates
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Rinnai Enviro 26L (6 Star) – High-efficiency condensing model
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Bosch 16H HydroPower – Battery-free ignition using water flow
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Rheem Metro 26L – Easy upgrade option for existing gas units
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Dux Endurance 20L – Great mid-range performance
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Vulcan 135L Gas Storage – For those preferring a storage tank option
Our team can help you choose the right model based on your home size, water usage, and budget.
What’s Included in a Full Installation?
Every instant gas hot water installation includes:
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Licensed plumbing and gas work
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All fittings, connections, and compliance upgrades
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QBCC Form 4
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Safe removal and disposal of your old system
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Full system setup and commissioning
We’re fully licensed, insured, and proud to be named Best Plumbers and Best Home Care Store for 2023, 2024, and 2025.
Local, Professional Service Across South East Queensland
JR Gas & Water installs instant gas hot water systems in homes throughout Brisbane, Logan, Ipswich, and the Gold Coast. From compact inner-city blocks to family homes and new builds, we tailor every install for performance, safety, and peace of mind.
Whether you’re upgrading from electric or replacing a tired old gas system, we’ll make the switch easy.
Frequently Asked Questions
Is instant gas cheaper than electric?
Yes — gas is typically more affordable per unit than electricity, and because these systems don’t store hot water, there’s no energy wasted on standby heating.
What size system should I choose?
Smaller homes may only need a 16L unit, while larger households often opt for 20L or 26L models depending on the number of bathrooms.
Is there a difference between continuous flow and instantaneous?
No — they’re two names for the same technology.
Can I convert from electric to gas?
Yes, and we can handle the entire process including gas line installation, appliance connection, and compliance certification.
How long do instant gas systems last?
With proper care, most units last 10 to 15 years. Regular servicing helps ensure peak performance and longer life.
Get Started with Instant Hot Water
When you're ready to upgrade to a better hot water system, JR Gas & Water has you covered. Our experienced team delivers fast, professional installations with no surprises — just hot water that works when you need it. Reach out today and take the hassle out of your hot water upgrade.
