Need a reliable, energy-efficient hot water solution that never runs out? Simply Hot Water Perth is your local Onsen hot water supplier, offering supply, installation, and servicing of Onsen gas continuous flow systems across Perth. We help you choose the right system size for your household or business, install it to Australian safety standards, and ensure it runs efficiently from day one. Our installations are carried out by licensed plumbers and gas fitters, and we often complete the job the same day you book. We also remove and dispose of your old unit at no extra cost, provide clear upfront pricing with no hidden fees, and back your system with both manufacturer and installation warranties. Whether you’re upgrading, replacing, or installing for a new build, we make getting an Onsen hot water system simple, fast, and hassle-free.
Why Choose Onsen Hot Water Systems?
Onsen is trusted across Australia for delivering high-quality hot water solutions built for local conditions. Their gas continuous flow systems are compact, efficient, and provide endless hot water on demand, making them ideal for families, busy households, and commercial spaces. With advanced temperature control, strong build quality, and excellent energy efficiency, Onsen systems deliver reliable performance year after year.

Your Local Onsen Hot Water Supplier in Perth
As a WA-owned business, Simply Hot Water Perth supplies and installs Onsen hot water systems throughout the metro area. We help you select the right model for your needs, arrange prompt delivery, and carry out expert installation. Our transparent pricing means you always know exactly what you are paying for, and our workmanship is backed by years of industry experience.

Benefits of an Onsen Gas Continuous Flow System
Endless hot water on demand
Lower running costs
Compact wall-mounted design to save space
Consistent water temperature for safety and comfort
Durable construction suited to Australian conditions
Range of sizes to suit any household or business
All of our Onsen Hot Water Systems come with a 10 year warranty.

Professional Onsen Hot Water Installation
Our Onsen hot water installation service is completed by qualified plumbers and gas fitters to meet all Australian standards. We remove your old system, install the new one, and thoroughly test it before completion. In most cases, installation can be done the same day, ensuring minimal disruption to your home or business.
Contact Us and Get an Onsen Hot Water System Quote For Free
Call Simply Hot Water Perth on (08) 6374 5892 or email sales@simplyhotwaterperth.com.au for your free quote. Our team will guide you through your options and help you choose the perfect Onsen gas continuous flow system for your needs.
FAQs About Onsen Hot Water Systems in Perth
What is an Onsen gas continuous flow system?
An Onsen gas continuous flow system heats water only when a tap is turned on, providing endless hot water without the need for a storage tank.
Why choose Onsen hot water in Perth?
Onsen systems are designed for Australian conditions, offering reliability, energy efficiency, and long-lasting performance.
How much does Onsen hot water installation cost?
Prices vary depending on the model and installation requirements. Contact Simply Hot Water Perth for a free, no-obligation quote.
How long does it take to install an Onsen hot water system?
Most installations are completed within a few hours, often on the same day you book.
Can I replace my old unit with an Onsen hot water system?
Yes. We can remove your old unit and install a new Onsen gas continuous flow system quickly and efficiently.
Are Onsen hot water systems energy efficient?
Yes. They heat water only when you need it, reducing energy waste and lowering running costs.
Do Onsen hot water systems come with a warranty?
Yes. Onsen systems include manufacturer warranties, and our installation work is covered by a 6-year installation warranty.
Is Onsen suitable for small homes or apartments?
Yes. Their compact, wall-mounted design makes them perfect for small spaces or properties without gas storage.
Do you service Onsen hot water systems in Perth?
Yes. We provide installation, servicing, and repairs for all Onsen hot water systems.
How do I get a quote for an Onsen hot water system in Perth?
Call (08) 6374 5892 or email sales@simplyhotwaterperth.com.au for a fast, accurate quote.
