Thermann Hot Water System Price in Sydney

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.

Thermann Hot Water System Price in Sydney

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.

Gas Continuous Flow (Instantaneous)

System

Supply & Install

Thermann 16L Continuous Flow

From $1,550

Thermann 20L Continuous Flow

From $1,675

Thermann 26L Continuous Flow

From $1,800

Gas Storage Systems

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.

Why Do People Prefer to Choose Thermann?

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.

What's Included in Our Thermann Installation Price?

When you book with us, you’re not just paying for a unit. Every installation includes:

  • Full system supply of genuine Thermann product, sourced directly
  • Professional installation by a licensed plumber and gas fitter
  • All plumbing fittings and connections are included in the price
  • Removal and disposal of your old hot water system — free of charge
  • Full system test before our team leaves your property Workmanship warranty on all labour.

No hidden call-out fees. No add-ons snuck in after the fact. What we quote is what you pay.

The Thermann Range at a Glance — Which One Suits You?

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.

Government Rebates — You Could Save Even More

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.

Ready to Get Your Thermann Installed Today?

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.

Hot Water Specials

View All
Seniors Discount

Seniors Discount*

Accrecdited Technicians

Accrecdited Technicians

Upfront Pricing

Upfront Pricing

Fully Licensed & Insured

Fully Licensed & Insured

Workmanship Guarantee

Workmanship Guarantee

Same Day Service

Same Day Service

For Thermann Hot Water Heater Prices

Get an Outstanding Quality Service, from a Sydney Plumber you can trust and afford.

Thermann Hot Water System FAQs

How much does a Thermann hot water system price in Sydney?

Thermann systems generally start from $1,500 installed, depending on the unit size, type, and site requirements.

How long does installation take?

Most Thermann hot water installations are completed within 2–3 hours, with same-day service available.

Is the tempering valve included?

Tempering valve cost is separate and only added if required for your property’s installation.

How long do Thermann hot water systems last?

A Thermann hot water system usually lasts 10–15 years with proper installation and regular servicing.

Request Quote

Please fill form below and we will get back to you back.