The figures provided in this table take into account that the system has been switching off and on again to maintain the temperature set by the thermostat. Heating with radiators is entirely different as they use a mix of convection and radiant heat, so for these calculations we need to look at the entire room area. In sharp contrast to underfloor heating, you should always round up when choosing an electric radiator output, but in this example the output we need is handily an exact figure.
Continuing on with our four-hour heating period, as per the previous example, we would be using 4. By multiplying this figure by Electric radiators heat via a mix of convection and radiation, with much of the heat rising first and then circulating around the room; whereas underfloor heating uses only radiant warmth, rising from the ground up and heating living levels first.
Another key point is that underfloor heating, by design, is warming a large surface area simultaneously whereas radiators operate from a single point of use in the room. It provides a much safer heating method compared to radiators because there are no hot surfaces to come into contact with, and the wide heating area eliminates the possibility of cold spots in the room.
In this method, the installer places a long, low-voltage electric cable beneath the surface of your floor. The installer can also install electric cables in the form of a mat or a mesh.
There is nothing to worry about since electric underfloor heating is a perfectly safe method. An electric floor heating system is best for small rooms. The other method of heating an underfloor is through the use of Hydronics.
It is sometimes known as water or wet underfloor heating since it uses hot water as a heating element. With this method, coils or PEX tubing deliver hot water to heat up a floor. This system needs an external heating source to bring the water to the desired temperature. Hydronic underfloor heating systems or hot water underfloor heating systems usually use boilers, heat pumps, or solar thermal energy to deliver hot water to the coils. Hydronic systems are costlier.
It is expensive to install because it requires the expertise of tradespeople who are experts in heating, circulators, and water pressures. Just like electric heating systems, hydronic floor heating systems can be either in-screed or in-slab. The only difference is that instead of electric coils, installers imbed coils that deliver water in the slab or screed.
Hydronic slab heating is an ideal system if you want to have a heated bathroom floor. Bathroom underfloor heating is a great addition to your home that allows you to comfortably take baths even in cold weather.
A radiant heating system is an alternative for those who want heat evenly distributed to an entire room. Aside from the heat supplied directly to the floor, it supplies heat to the walls and the ceiling. Because wet system installs are relatively uncommon, and vary hugely depending on the system they are being integrated with and the preparation that will be needed to the original floors, it is hard to estimate an exact cost. Electric systems are simpler to install, as rather than involving pipework, you can simply lay out the wires or mats to the shape of the room.
Less preparation is needed - typically insulation will be put beneath the heating, to reflect the heat upwards into the room, while a levelling product like screen will usually be used to make the surface even, before the floor is installed above it. Electric systems are easier to install than water ones, but are less energy efficient than traditional radiators, and more expensive to run.
Generally, they are better suited to small rooms where space is at a premium - they are especially popular in bathrooms. Electric underfloor heating costs are lower than those for wet systems. Home Pricing guides Underfloor heating costs. Skip to content. Get a quote. How much does it cost to run? Running cost calculator. How much does it cost to run electric underfloor heating? Calculate my running costs. Electric underfloor heating running cost calculator.
Select your room. Your floor space m2 Enter the area of floor space you wish to heat.
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