Looking for a Thermann hot water system price in Sydney that doesn’t come with hidden surprises? You’ve landed in the right place. At Sydney Plumbing Hot Water, we supply and install the full Thermann range at competitive, upfront prices – no inflated quotes, no guesswork.
Whether your old system just died and you need a same-day fix, or you’re planning a smart upgrade before winter hits, we make the whole process fast, affordable, and stress-free.
Here’s a straight-talking guide to what you can expect to pay. All prices below are supply and install; old unit removed and disposed of at no extra charge.
Electric Storage Systems
|
System Size |
Supply & Install |
Supply Only |
|
80 litre |
From $1,500 |
From $1,020 |
|
125 litre |
From $1,610 |
From $1,140 |
|
160 litre |
From $1,650 |
From $1,250 |
|
250 litre |
From $1,700 |
From $1,270 |
|
315 litre |
From $1,920 |
From $1,420 |
|
400 litre |
From $2,100 |
From $1,600 |
Note: A tempering valve is a legal requirement in NSW for most hot water installations. This is an additional $185 where required.
|
System |
Supply & Install |
|
Thermann 16L Continuous Flow |
From $1,550 |
|
Thermann 20L Continuous Flow |
From $1,675 |
|
Thermann 26L Continuous Flow |
From $1,800 |
|
System Size |
Supply & Install |
|
135 litre Gas Storage |
From $1,850 |
|
170 litre Gas Storage |
From $2,050 |
Prices are a guide for like-for-like replacements in standard locations. Complex installs (apartments, roof spaces, laundries) may require a site visit and custom quote.
Thermann is known as one of the most popular hot water brands here in Australia since 2012. This brand has quickly built a reputation for combining innovative design, energy efficiency, and serious durability all at a sensible price range for Australian households.
Whether you’re after a compact electric unit for a small apartment or a high-capacity gas system for a large family home, Thermann has a model built for you. And when you book your supply and install through Sydney Plumbing Hot Water, you’re getting expert hands on the job; licensed, insured, and backed by years of local experience.
When you book with us, you’re not just paying for a unit. Every installation includes:
No hidden call-out fees. No add-ons snuck in after the fact. What we quote is what you pay.
Electric Storage — Best for households on off-peak electricity tariffs.
Gas Continuous Flow — The most popular choice for families. Heat water only when you need it — no tank, no wasted energy.
Gas Storage — A solid all-rounder if you prefer a traditional tank setup but want the efficiency of gas.
Solar & Heat Pump — Thermann’s solar-boosted and heat pump range pairs beautifully with Sydney’s climate.
Ask us about current government rebates that can significantly reduce your upfront cost.
Here’s something worth knowing to save on the Thermann hot water system price in Sydney. Installing an eligible Thermann heat pump or solar hot water system in NSW can help you get rebates under the Small-scale Technology Certificates (STCs) program and the NSW Energy Savings Scheme.
Ask our team about current rebate availability when you call – it’s a conversation that could save you hundreds.
Don’t put up with cold showers or an ageing hot water system that’s costing you more to run every month. A new Thermann system is one of the smartest home investments you can make, and with Sydney Plumbing Hot Water & Gas, getting it done is easier than ever. If you are searching for the best Thermann hot water system price in Sydney, we provide honest advice, competitive pricing, and expert installation solutions tailored to your home and budget.
Call or SMS us now for a fast, obligation-free quote. We’ll recommend the right Thermann system for your home, give you a clear price on the spot, and in most cases have it installed the same day.
Get an Outstanding Quality Service, from a Sydney Plumber you can trust and afford.
Thermann systems generally start from $1,500 installed, depending on the unit size, type, and site requirements.
Most Thermann hot water installations are completed within 2–3 hours, with same-day service available.
Tempering valve cost is separate and only added if required for your property’s installation.
A Thermann hot water system usually lasts 10–15 years with proper installation and regular servicing.
Please fill form below and we will get back to you back.