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Is Underfloor Heating Expensive to Run?

Is Underfloor Heating Expensive to Run

Are you planning an upgrade that will help you save on those hefty bills while also heating your home more efficiently? The thought of stepping onto a warm floor on a chilly morning is enticing, isn’t it?

Underfloor heating might be the upgrade you’re contemplating. However, the cost to run underfloor heating in Australia can vary depending on several factors, including the size of your home, the type of insulation installed, and your overall usage. Good insulation is key to maximizing efficiency and minimizing costs.

As you ponder over the best ways to keep your home snug and warm, understanding these variables can significantly impact your decision.

With the right setup, underfloor heating can be a cost-effective method to maintain a comfortable temperature throughout your residence.

What is Underfloor Heating?

Underfloor heating is a sophisticated way to heat a home or building, providing warmth directly from the floor upwards. It’s an efficient form of central heating that distributes heat evenly through either electrical wires (electric underfloor heating) or heated water flowing through pipes (hydronic heating), placed beneath the floor surface.

This heating method is great for those seeking a comfortable and consistent temperature throughout their space, without the need for conventional radiators or forced-air systems.

Underfloor heating pairs well with various types of flooring, including tiles, concrete floors, and even some types of hardwood, making it a versatile option for new constructions and remodels alike.

Overview of Different Types of Underfloor Heating

Electric Floor Heating System

Electric, or dry system, underfloor heating involves the installation of thin electric wires or heating mats beneath the floor surface. This type of system is less costly to install compared to its hydronic counterpart and is ideal for smaller areas or individual rooms.

The installation process is simpler, often allowing for it to be a DIY project. It’s controlled by a dedicated thermostat, making it easy to manage the heating in different zones of your home.

Hydronic Heating (Wet System)

Hydronic heating, or a wet system, is a type of underfloor heating that uses heated water pumped through pipes laid under the floor. This system is highly efficient for heating larger areas and is often considered for new constructions or major renovations.

It can be powered by various energy sources, including gas boilers, solar water heaters, or heat pumps. Though the initial installation cost can be higher, the operating costs are typically lower over time, especially in larger homes or buildings.

Hotwire Heating

Hotwire heating is another variant of electric underfloor heating that utilizes high-powered cables to produce heat. This system is often quicker to install than hydronic systems and can be easier to retrofit in existing properties that have solid concrete floors. Hotwire heating systems are controlled via a thermostat, allowing users to adjust the temperature as needed easily.

Using underfloor heating, regardless of the type of system—electric or hydronic—requires careful consideration of the insulation beneath the floor to ensure efficiency and cost-effectiveness.

The right kind of underfloor heating can deliver not just warmth and comfort but also significant savings in the long run, highlighting the need for thoughtful planning and informed decision-making.

Benefits of Installing Underfloor Heating

Installation of underfloor heating is a great option for many homeowners due to its numerous benefits, including:

  • Consistent Heat Distribution: Because underfloor heating works by evenly distributing heat from the floor up, it ensures that the entire room reaches the desired temperature without cold spots, providing a comfortable heating experience.
  • Energy Efficiency: Electric heating systems, especially those designed for underfloor use, often require fewer watts to operate effectively compared to traditional heating methods. This efficiency plays a key role in reducing the running costs and making underfloor heating a cost-effective option.
  • Comfortable Heating Experience: The gentle warmth that radiates from the floor creates a cozy atmosphere without the dryness associated with forced-air heating, making every room in your house inviting.
  • Space Optimisation: Without the need for radiators or vents, underfloor heating allows for optimal use of space and design flexibility. This opens up creative possibilities in interior design and furniture placement that would otherwise be restricted.
  • Design Flexibility: Underfloor heating systems can be installed under various types of floorings, offering unparalleled design flexibility to homeowners and designers. Whether it’s for tile, concrete, or even certain types of hardwood, these systems adapt seamlessly to your aesthetic and practical needs.
  • Reduced Dust Circulation: Traditional heating systems often circulate dust and allergens throughout the space. In contrast, underfloor heating reduces the movement of air within a room, thereby minimizing the circulation of dust. This benefit is particularly valuable for individuals with allergies or respiratory issues.

Factors Affecting Underfloor Heating Cost

So, how much does underfloor heating cost? The cost of installing underfloor heating varies depending on various factors, including:

  • Type of System: As discussed earlier, electric underfloor heating is often less expensive to install than hydronic systems.
  • Size of Area: The size of the area being heated directly impacts the cost. A larger space will require more materials and labour, resulting in higher costs.
  • Flooring Type: The cost of installing underfloor heating can also vary depending on the type of flooring. The installation process for tiles or concrete floors is typically easier and less expensive compared to hardwood, which may require additional preparation work.
  • Insulation: As mentioned earlier, proper insulation beneath the floor is crucial for efficient underfloor heating. Poorly insulated floors can lead to higher running costs, so it’s important to consider the cost of insulation materials as part of the overall installation.
  • Professional Installation: While some underfloor heating systems may be suitable for DIY installation, it’s often best to have a professional handle the job. This will ensure that the system is installed correctly and safely, but it may also increase the overall cost. 

Cost per m2 for Underfloor Heating

For a more specific cost estimate, the average cost per square meter for underfloor heating is around $30 to $115, depending on the factors mentioned above. It’s always best to consult with a professional for a more accurate cost assessment based on your specific needs and space.

Installation Cost Breakdown

The cost of underfloor heating installation can be influenced by a variety of factors, making it critical for homeowners to understand where their investment is going. Here is a detailed breakdown of potential costs associated with installing underfloor heating in a new build or renovation:

  • Materials: The materials needed for underfloor heating systems include the heating element itself (electric mats or hydronic pipes), insulation board, screed (for hydronic systems), and thermostat controls. Costs will vary based on the type of system and the quality of materials chosen.
  • Labour: The cost to hire a professional installer is another significant component. This can vary widely depending on the complexity of the installation, the type of system being installed, and regional labour rates.
  • Floor Preparation: In some cases, floors may need to be prepared or reinforced before the underfloor heating can be installed, especially in older homes or where the existing floor structure is inadequate.
  • Floor Finish: Following the installation of the underfloor heating system, the cost of the final floor finish (tiles, hardwood, laminate, etc.) must also be considered, as some finishes may require additional materials or preparation.
  • Miscellaneous: Additional costs can include the alteration of existing structures, removal and replacement of skirting boards, and any necessary repairs to the subfloor.

For those installing underfloor heating in a new build, the process can be more straightforward and often less expensive, as it can be integrated into the construction process. However, precise costs will depend on the total area covered, the choice between electric or hydronic systems, and the specific requirements of the building project.

Engaging with a professional installer early on can provide a clearer understanding of the overall cost of installation, allowing homeowners to budget more effectively for their underfloor heating system.

Running Costs of Underfloor Heating

Now that we’re through the installation costs, it’s essential to consider the running costs of underfloor heating. This will help you decide whether it’s a cost-effective option for your home in the long run.

Electric Underfloor Heating Running Costs

The cost of running electric underfloor heating largely depends on the size of the area heated, the temperature set, and how well the space is insulated. Typically, electric floor heating costs to run are considered higher than some alternative heating methods due to the price of electricity.

However, when used in small, well-insulated areas or for short periods, it can be cost-effective. A running cost calculator can help estimate your specific costs by considering factors such as the wattage of the underfloor heating coils, the cost per kWh of electricity in your area, and operating hours.

Though electric heaters are convenient, incorporating solar heating as an energy source can significantly reduce how much the heating will cost to run, making it an eco-friendly and cost-effective alternative.

Hydronic Underfloor Heating Running Costs

Hydronic underfloor heating uses hot water that is pumped through pipes under the floor, providing radiant heat. The initial installation cost can be higher, but the cost of running hydronic systems is generally lower than electric underfloor heating, especially when heating large areas or entire homes.

The running costs are influenced by the type of boiler used (gas, electric, solar), with solar heating presenting the lowest operational costs. An electrician or heating specialist can provide a more accurate running cost estimate using a running cost calculator tailored to hydronic heating setups.

This method is efficient for those seeking sustainable and alternative heating methods, offering consistent and comfortable warmth at a lower operational cost.

Calculating The Running Cost Of Underfloor Heating

To accurately calculate the running cost of underfloor heating, whether electric or hydronic, homeowners should use a running cost calculator. These calculators consider the system’s power consumption in watts (for electric) or the boiler’s efficiency and fuel type (for hydronic), the cost of electricity or fuel in their area, and the total heating hours.

It’s also important to factor in the insulation quality of the room, as this can greatly affect heating efficiency and costs.

For a more comprehensive assessment, consulting with an electrician or heating professional who understands the ins and outs of underfloor heating coils and systems can ensure you get a precise figure on what your floor heating will cost to run.

You can call us at Calibre Connect at (02) 8806 0552 to speak with one of our underfloor heating experts. We can provide you with a quote and help you estimate the installation and running costs based on your specific needs and space.

Comparing Underfloor Heating With Other Heating Options

Moving forward, knowing which heating options are available other than underfloor heating can be helpful. While traditional methods like central heating radiators and wood-burning stoves remain popular, alternative options such as heat pumps and electric fireplaces have also gained traction in recent years.

Underfloor Heating vs. Traditional Radiators

Underfloor heating and traditional radiators both serve the purpose of warming up space but do so in very different ways. Underfloor heating provides a more even distribution of heat across a room, as it covers a larger surface area than radiators. This method offers a subtle, consistent warmth, radiating upwards and eliminating cold spots.

Conversely, traditional radiators heat the air nearest to them first, which then circulates around the room. This can result in uneven heating, with warmer areas closer to the radiator and cooler spots further away.

Additionally, underfloor heating is hidden away, allowing for more aesthetic freedom and space in a room, whereas radiators require wall space and can dictate furniture placement.

Electric Underfloor Heating vs. Electric Floor Heating

While the terms electric underfloor heating and electric floor heating may seem synonymous, they refer to the same concept of heating a space from the floor up using electrical systems. These systems typically involve the installation of electric mats or cables beneath the floor surface, which heat up when electricity is applied.

This method of heating provides an even, radiant heat across the floor, making it comfortable to walk on and efficiently warming the room. One of the critical advantages of electric floor heating is its relatively straightforward installation process, which can be particularly appealing in retrofit projects.

Additionally, electric underfloor heating can be more energy-efficient than traditional heating methods, as it allows for precise temperature control and uniform distribution of heat, reducing the need for higher temperatures to achieve the same level of warmth.

Tips For Efficient Underfloor Heating

Investing in underfloor heating is a significant decision for your home, which is why it’s essential to take steps to ensure its efficiency and longevity. Here are some tips to help you get the most out of your underfloor heating system:

  • Proper insulation: Make sure your room or space is well-insulated before installing underfloor heating. This will prevent heat loss and reduce running costs.
  • Use zoning: Take advantage of underfloor heating’s ability to heat specific areas of a room and set up individual zones for different rooms or spaces.
  • Invest in a thermostat: A programmable thermostat allows you to control the temperature and schedule when your underfloor heating turns on and off, optimizing energy usage.
  • Regular maintenance: Schedule regular maintenance checks with an electrician or heating specialist to ensure your underfloor heating is running efficiently and identify any potential issues.
  • Consider solar panels: If you have a hydronic underfloor heating system, consider installing solar panels to provide the energy needed to heat the water, reducing operational costs.

Key Takeaways

The underfloor heating cost in Australia varies depending on the type of system, fuel used, and heating hours. To get an accurate estimate, it’s best to consult with a professional and use a running cost calculator. Compared to traditional heating methods like radiators, underfloor heating offers more even heat distribution and aesthetic benefits. Electric underfloor heating is also energy-efficient and relatively easy to install.

To maximize efficiency, proper insulation, zoning, and regular maintenance are crucial. Additionally, considering alternative energy sources like solar panels can further reduce operational costs. With these tips in mind, underfloor heating can be a cost-effective and comfortable heating option for any home or space.

So why not make the switch today? Contact Calibre Connect at (02) 8806 0552 to learn more about our underfloor heating services and get a quote for your home or space. Stay warm and cozy all year round with an efficient and modern underfloor heating system.

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Kurt Sfiligoi


Marc and his team always do a fantastic job. They are unafraid to give you straight answers and recommend options, allowing you to have complete confidence that they are thinking about all possible outcomes. Work is done efficiently and effectively, with an outstanding final product. I will not hesitate to use Calibre Connect again in the future!
Maxim Consalvi


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Elise Giallonardo


We had Calibre Connect do all of the electrical work associated with our kitchen renovation and we were incredibly pleased with the result! Marc was a pleasure to deal with throughout the whole process and he worked around our time schedule which was a big help. Honest, hard working, efficient and knowledgeable. We’ll definitely use Calibre Connect for future work. Thank you!