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Rinnai Hot Water Systems – Instant, Gas & Electric Units Supplied & Installed
Looking for a Rinnai hot water unit that delivers performance, energy savings, and long-term reliability? You’re in the right place. At JR Gas & Water, we supply and install the full Rinnai range — from instant gas models to large electric storage tanks — across Brisbane and the Gold Coast.
Whether you’re upgrading, replacing, or building new, our expert team makes it easy with fast install, competitive pricing, and trusted advice.
Why Choose a Rinnai Hot Water Unit?
Rinnai is one of Australia’s most trusted names in hot water. Known for smart Japanese engineering and long-lasting reliability, Rinnai hot water systems are built to handle local conditions with ease.
Key benefits:
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On-demand hot water with continuous flow models
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5+ star energy ratings on popular gas units
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Indoor and outdoor install options
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Compact, wall-mounted systems to save space
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Electric storage models also available for homes without gas
Compare leading units in our Rinnai B Series critical review.
Rinnai Instant Hot Water Systems
For homes that want reliable, endless hot water with lower energy use, these are your top picks:
All models include expert installation, QBCC Form 4, compliance checks, and system disposal.
Compare Rinnai with other leading brands in our continuous flow 26L showdown.
Rinnai Electric Hot Water Systems
Don’t have gas? No problem. Rinnai’s electric range is efficient and built for families needing higher water storage:
Thinking about switching from gas to electric? Read our electric vs gas hot water guide.
Rinnai Hot Water System Prices
We offer competitive supply and installation rates across the full range. Typical installed prices:
| Rinnai Model |
Price Range (Installed) |
| B16 Instant |
from $1,395 – $1,595 |
| Infinity 26 |
from $1,750 – $1,950 |
| Enviro 26L |
from $2,190 – $2,390 |
| Hotflo 125L |
from $1,100 – $1,250 |
| Hotflo 250L |
from $1,350 – $1,550 |
All prices include QBCC Form 4, valve set (if applicable), full installation, and disposal of your old unit.
Servicing Brisbane, Ipswich, Logan & Gold Coast
We install Rinnai hot water units across:
Our licensed plumbers and gasfitters ensure fast turnaround and minimal disruption. We’re also 2023, 2024, and 2025 Best Plumbers and Best Home Care Store winners.
Frequently Asked Questions
Q1: What’s the difference between Rinnai B Series and Infinity?
A: The B Series is more budget-friendly. The Infinity range offers advanced temperature control, quieter operation, and better energy efficiency.
Q2: Are Rinnai electric water heaters as reliable as their gas range?
A: Yes — especially the Hotflo series. They’re well-built, easy to install, and designed for consistent performance.
Q3: Can I upgrade from a storage tank to a Rinnai instant unit?
A: Absolutely. We’ll assess your setup and provide the right conversion package, including gas compliance and valve upgrades.
Q4: How much does a Rinnai hot water system cost fully installed?
A: Installed prices range from ~$1,100 to $2,400 depending on model and setup. See our full pricing guide above.
Q5: Do Rinnai systems qualify for energy rebates?
A: Yes — especially high-efficiency models like the Enviro 26L. We’ll help check your eligibility and apply rebates where available.
Still Comparing?
See how Rinnai stacks up against the competition in our Best Continuous Flow Hot Water System Awards.
