Electric Floor Heating in Melbourne: Five Reasons It’s Worth It

Author: Andrew Vaiano, Founder and Director, Luno Electrical. Registered Master Electrician (no: 25989). Tesla Certified Installer.

There’s a specific Melbourne experience of stepping onto a tiled bathroom floor at 6:30 on a July morning. Electric floor heating is the solution to it, and it’s one of the few upgrades people mention to us unprompted years later.

Here’s an honest look at why it works, what it costs to run, and where it makes sense.

1. It heats the way you actually want to be heated

Conventional heating warms air, which rises, sits at the ceiling, and leaves your feet cold. Floor heating warms the surface you’re standing on, which then radiates warmth upward through the room.

The practical effect is that a room with floor heating feels comfortable at a lower air temperature than the same room with a wall heater. Warm feet and cool head is genuinely how people prefer to be — it’s the reverse of what most heating delivers.

It’s also completely silent, which matters more than people expect in a bathroom at dawn, and it moves no air, so it doesn’t circulate dust. That’s worth knowing if anyone in the house has asthma or allergies.

2. It disappears

No wall unit, no floor vent, no radiator taking up a wall. Nothing to design around, nothing to clean, nothing to look at.

In a bathroom — which is where most of our floor heating goes — wall space is scarce and every centimetre is already committed. Heating that lives under the tiles is heating that doesn’t compete with the vanity, the towel rail or the shower screen.

For anyone working with an architect or designer on a renovation, this is often the deciding factor.

3. Running costs are lower than people assume

This is the objection we hear most, and it’s usually based on a misunderstanding.

Electric floor heating in a bathroom is typically 150W per square metre. A 4m² bathroom floor is therefore around 600W — comparable to a couple of old-fashioned light globes, and a fraction of the 2,000W+ a bathroom heat lamp draws.

More importantly, it’s not running constantly. Once the floor and the slab or screed reach temperature, the thermostat cycles it. A good programmable thermostat means it’s only heating in the windows you actually use the room — an hour in the morning, an hour in the evening — rather than all day.

That’s the single biggest factor in running cost, and it’s why we always fit a programmable thermostat rather than a simple on/off switch. Set and forget, and it costs what it should.

For whole-room heating in larger living areas, a reverse-cycle split system is still more efficient overall. Floor heating shines in bathrooms, ensuites and smaller tiled spaces, and as a comfort layer rather than a primary heat source.

4. It suits Melbourne’s housing

Two reasons.

Tiled floors are everywhere — bathrooms, ensuites, laundries, kitchens, and increasingly whole ground floors in renovations. Tile and stone are excellent thermal conductors, which makes them ideal for underfloor heating and miserable without it.

Melbourne’s climate is exactly the use case. Not cold enough to justify a whole-house hydronic system in most homes, but cold enough for four or five months that a cold tiled floor is genuinely unpleasant. Electric floor heating in the rooms where it matters is the proportionate answer.

It also works under engineered timber, vinyl and laminate with the right system and temperature limits — worth asking about if you’re not tiling.

5. It’s straightforward to install during a renovation

The heating element — a mat or a loose cable, depending on the shape of the room — goes down over the substrate and under the tile bed. A floor sensor goes into the screed. Then it’s connected to a thermostat and a dedicated circuit.

The key point: it has to happen during the floor work. This isn’t retrofittable without lifting the floor. If a bathroom renovation is even a possibility in the next few years, it’s worth deciding now.

What we’ll check first: whether your switchboard has a spare way and appropriate RCD protection, since floor heating needs its own circuit; the floor build-up, because you’re adding a few millimetres of height; and the layout, since the element must not run under the vanity, the toilet pan or a fixed bath — heating cable under a permanent fixture has nowhere to lose its heat.

Coordination matters. We work with your tiler so the element goes in at the right point in the sequence and doesn’t get damaged. A trowel through a heating cable is a bad day for everyone, and it’s entirely avoidable with a conversation beforehand.

Where we’d fit it, and where we wouldn’t

Yes: bathrooms, ensuites, powder rooms, laundries, tiled kitchens and tiled entry areas. Anywhere with a hard floor that you walk on barefoot.

Probably not: as the sole heating for a large open-plan living area — a reverse-cycle system will do that job better and cheaper. And not in a room you’re not renovating, because the cost of lifting a floor to install it rarely stacks up.

Talk to us

We install electric floor heating across Melbourne’s eastern suburbs and we work alongside builders, tilers and designers regularly, so we’re used to slotting into a renovation programme without holding anyone up.

We’ll look at the room, check the board, and give you a straight answer on whether it’s worth doing and what it’ll cost to run.

Registered Master Electrician. Over 200 five-star Google reviews. Lifetime workmanship warranty.

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Electric Floor Heating FAQs

Electric floor heating systems directly heat the floor surface, minimising heat loss and ensuring energy is used efficiently. When connected to renewable energy sources like solar power, their efficiency and environmental benefits are enhanced.

Yes, electric floor heating systems can be installed under various flooring types, including tile, laminate, and wood. However, the installation process and efficiency might vary depending on the flooring material.

Contrary to common belief, electric floor heating can be up to 15% cheaper to run than traditional heating systems, especially when connected to environmental energy sources like solar power.

Consider factors such as the size of the area, type of flooring, and your specific heating requirements. Consulting with a professional, like Luno Electrical, can help ensure you select the best system for your needs.

Electric floor heating systems are low maintenance, requiring only occasional checks to ensure the system operates efficiently and safely.

Absolutely! Electric floor heating systems are versatile and can be installed in individual rooms or areas, making them ideal for both new constructions and renovation projects.

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