Cost remains one of the most considerable factors when selecting a heating system. With the hydronic heating system gaining popularity in Melbourne, Australia, the question, “is hydronic heating expensive to run?” often becomes a debatable question.
When it comes to considering a heating solution for the home, hydronic heating has successfully managed to make its name. In Melbourne, many people are considering hydronic heating as it brings consistent and comfortable heating solutions for a single room or entire home as required. The one thing that keeps them jittery is the question, “Is hydronic heating expensive to run?”
Despite being familiar with how hydronic heating works and knowing the higher upfront costs and low maintenance requirements, people are more concerned about whether it is expensive to run.
As your reliable partners in providing the best heating and cooling solutions, we at Surrey Air are committed to providing our readers with real insights that no other service provider will disclose. This article provides cost insights regarding your hydronic heating system and saving tips that affect the costs of running a hydronic system.
Hydronic Heating Installation- An Overview Of Upfront Cost
If you are familiar with the workings of a hydronic heating system, you know it requires a boiler, distribution system (a network of pipes beneath the floor), radiator, thermostat, and pumps. Along with the mechanical system, you’ll require skilled labour to properly design and install the hydronic system in your home.
The average cost of hydronic heating installation in Melbourne, Australia, ranges from $10000 to $18000. Prices may vary depending on several factors.
Factors Affecting Hydronic Heating Installation Costs:
Here is an overview of factors that have a great impact on the overall costs of hydronic heating installation.
- Type of hydronic heating system- radiator or under-floor heating system.
- New home vs retrofitting.
- Size of the building and layout.
- Choice of heat source.
- Number of zones required.
- Choice of thermostat and control system.
- Quality and brand of components.
- Labour charges.
- Building efficiency and insulation.
- Additional modifications or integrations.
Hydronic Heating Running Costs
The upfront costs influence the buying decision, but in the long run, it is the running cost that matters the most. It has an effect on your budgeting and long-term planning. Although hydronic heating systems are efficient in temperature control, the answer to your query, is hydronic heating expensive to run, is hidden in the energy efficiency of the system and factors affecting the hydronic heating running cost.
Factors Affecting The Hydronic Heating Running Costs:
The primary factors that affect hydronic heating running costs include:
Energy Source:
The cost of the energy source used for heating the boiler affects the running costs of the hydronic heating system. The energy source options, along with their prices in Melbourne for 2025, are mentioned in the table below.
Type of system | Estimated energy cost | Annual running cost |
Gas Boiler (Natural Gas) | $0.025–$0.035/MJ | $900 – $1,600 |
Electric Boiler | $0.30–$0.45/kWh | $1,800 – $3,000 |
Air-to-Water Heat Pump | $0.30–$0.45/kWh | $500 – $1,200 |
Energy Efficiency Of The System:
A hydronic heating system consumes less energy than the traditional heating systems. Studies show hydronic heating systems are 30-35% more energy efficient than forced air systems. Different type of hydronic heating systems using different heat sources have different energy efficiency which are listed below.
Heat Source | Energy Efficiency |
Gas Boiler (Natural Gas) | ~85–90% |
Electric Boiler | ~95–100% |
Air-to-Water Heat Pump | 300–400% (COP 3–4) |
You’ll pay lesser energy bills for using hydronic heating system than traditional heating system if you are using the both for same time.
System Size And Usage Hours:
The size of the hydronic heating system and the number of hours it runs affect the overall running cost.
You need a bigger system for a home of a bigger size that consumes more energy.
The average Melbourne home uses a hydronic heating system that runs for 10-16 hours. The cost increases relatively if you use the system 24/7.
Thermostat Use And Zoning:
Using thermostat, especially programmable thermostat to set temperature according to requirements greatly reduce the energy consumption and decreases the overall running cost for any heating or cooling system.
Similarly, zoning allows users to heat the areas in use while keeping the hydronic system off where they don’t need heating. This greatly reduce the energy consumption and saves the system from extra load.
Tariff Rates & Fuel Prices:
Tariff rates and fuels prices have a major affect on hydronic heating running costs. As electric boilers and air-to-water heat pumps depend on electricity and natural gas boilers on fuel, tarrifs and fuel prices significantly increase or decrease the overall running costs.
In Melburne, Australia, a slight raise in fuel prices, general terrif and off peak tariff can bring a raise of $150 – $3150 annually.
Energy Type | More Affected By | Cost Sensitivity |
Natural gas (fuel) | Fluctuating gas prices | Moderate |
Electricity | Fluctuating gas prices | High (especially for electric boilers) |
Heat pumps | Electricity prices & COP | Less than broilers, but still significant. |
Is Hydronic Heating Expensive To Run- The Cost Insights
Let us take accounts of energy bills on usage of each heat source for a medium sized home for 5-6 months for 6-8 heating hours per day in Melbourne.
Heat Source | Energy Use | Tarrif Rate | Annual Cost |
Gas Boiler | 47,000 MJ | $0.03/MJ | $1,410 |
Electric Boiler | 6,500 kWh | $0.35/kWh | $2,275 |
Air-to-Water Heat Pump | 2,300 kWh | $0.35/kWh | $805 |
Heat Pump (off-peak) | 2,300 kWh | $0.20/kWh | $460 |
Tips To Reduce Hydronic Heating Cost
Here are some simple practical ways to reduce your hydronic heating cost. Moreover, you can also refer to Victorian Energy upgrades products to seek discounts on running heating and cooling systems.
1. Use A High Energy Efficiency Boiler
Energy efficient boiler efficiently uses the energy from heat source to heat the water in hydronic heating system. Modern condensing boilers offer high performance at lesser fuel expense.
2. Install Smart Thermostats
Smart thermostats are programmable, and can follow schedules to meet heating requirements. Set the thermostats and operate them from your cellphones to use hydronic heating system efficiently.
3. Lower Thermostat Settings
Setting thermostat at 1-2 degree lower doesn’t affect the temperature control but bring a significant reduction in running costs during winters.
4. Install Zoning
Installing zoning allows users to only heat the rooms in use, saving money from unnecessary heating in unused rooms.
5. Insulate Your Home
Improving insulation in your home eliminates the chances of losing conditioned air or letting outdoor unconditional air move inside the indoor spaces, significantly improving temperature maintenance. Indoor temperature consistency lowers the pressure on hydronic heating system to produce more heat, reducing the energy input and operational cost.
6. Use Solar Thermal Panels
Pairing solar thermal panels with hydronic heating system to depend on solar instead of fuel or electricity from grid lead to major savings on energy bills.
7. Schedule Regular Maintenance
Scheduling regular maintenance keeps the hydronic heating system in good shape and resolve minor issues before they affect the system’s performance and efficiency.
Always choose trained and experienced professionals like Surrey Air for scheduling hydronic heating maintenance services so you can be sure of service quality.
Final Take Away:
If you find yourself askingt the question “is hydronic heating expensive to run?”, you need to consider a number of factors that influence the running costs. Energy source, energy efficiency of the system, system size and usage hours, thermostat use and zoning control, and tarrif rates and fuel prices are the primary factors that dictate the running costs.
In Melbourne, running hydronic heating for 5-6 months for 6-8 hours daily during winters in a medium-sized home can cost between $460 – $ 2500 annually depending on the heat source. You can minimize the running costs by implementing some tips like using a boiler with higher energy efficiency, using smart thermostat, setting thermostat to lower temperature, installing zoning, pairing solar thermal panels to run hydronic system and scheduling regular maintenance.




