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Northern Split Air Co

Hi, a supplied and installed 2.5 kW split system costs about A$1,500 to A$2,300 with us. What size is the room, and do you already have the unit?

Blue Mountain Warm Floors

Hello, underfloor heating in a bathroom costs around A$600 to A$900 installed, and hydronic systems run from A$150 to A$250 per square metre. Which area do you want heated?

Melbourne Heat Pump Install

Hi, we install in Melbourne and always check placement, ventilation and connections first. A 7 kW split system usually costs A$2,800 to A$4,000. When do you need it installed?

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Heating system installation in Australia: prices and licences

A supplied and installed 2.5 kW split system usually costs A$1,500 to A$2,300 in Australia, and a 7 kW unit A$2,800 to A$4,000. Underfloor heating for a bathroom is often A$600 to A$900 installed. These figures are approximate, according to sellers' websites, November 2026. To get quotes for your room or home, send a request on BlaBlaPrice.

Approximate prices in Australia, November 2026 (sellers' websites)
SystemApproximate price
Split system, 2.5 kW, supplied and installedA$1,500–A$2,300
Split system, 7 kW, supplied and installedA$2,800–A$4,000
Underfloor heating, bathroom, installedA$600–A$900
Hydronic underfloor heating, per square metreA$150–A$250
Wood heater, labour and materials (heater extra)A$1,000–A$5,500

Licences and approvals

In New South Wales, a mechanical services licence is needed to contract and advertise mechanical services work, including heating and cooling. In Victoria, heat pump installations must be placed, ventilated and connected to meet the plumbing regulations. Ask the installer for the licence number and whether a permit or inspection is included in the quote.

Season and timing

November is late spring. Summer from December to February is the cooling season, so split system installs book up before the heat. Winter, June to August, is when heating is needed most, and a job booked for autumn or early spring may be quicker to schedule.

Choosing the size

The size of the room and the heat source decide the system. A 2.5 kW split suits a small room, while a 7 kW unit covers a larger area. For underfloor heating, sellers quote per square metre for pipes and screed, so measure the area you want heated before you ask for a quote.

Quotes and what is included

Installation is quoted per job, so ask whether the price includes the unit, pipes, electrical connection, removal of the old system and commissioning. A supplied-and-installed quote is easier to compare than a labour-only quote.

What to write in your request

Say what you want to heat or cool, the area in square metres, the heat source you prefer, the scope of work, the pipe or layout details, whether you already have the equipment, the site address, your deadline and your budget. Photos of the room and the wall where the unit would go help installers quote accurately.

On BlaBlaPrice you describe the job in your own words in a chat, and a photo helps. The AI asks for missing details, looks through sellers' websites and price lists in Australia, and shows the prices and businesses it found. Sellers registered on BlaBlaPrice reply in the chat with their own offer, and your contact details stay hidden until you decide to exchange them. See ventilation and air conditioning, plumbing and utilities, or how BlaBlaPrice works.

Questions and answers

How much does a split system installation cost in Australia?

A supplied and installed 2.5 kW unit usually costs A$1,500 to A$2,300, and a 7 kW unit A$2,800 to A$4,000. Figures are approximate, according to sellers' websites, November 2026.

Does the installer need a licence?

In New South Wales, mechanical services work needs a licence. In Victoria, heat pump installations must meet the plumbing regulations for placement and ventilation.

What is the cheapest way to heat a bathroom?

Underfloor heating for a bathroom is often A$600 to A$900 installed. Ask for the price per job, including pipes, screed and connection.

When should I book the installation?

Book in spring, which is November now, before the summer cooling season from December to February. Winter from June to August is the busiest heating time.

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