Varme Underfloor Heating
Varme Under Floor Heating Cable Mat Varme Cable Mat

The Varme Mat electric underfloor heating system uses the same high quality cable supplied in the kits, but comes pre-attached to a mesh so it can be simply 'rolled out' for speed of installation in large areas.

Varme Under Floor Heating Loose Cable Varme Loose Cable

The Varme cable kit is by far the most popular electric underfloor heating system in small confined areas such as bathrooms, whilst the larger kits offer cost savings against mats of the same size.

Varme Under Floor Heating Carbon Heating Film Varme Carbon Film

Our Carbon Heating Film is ideally suited for installation beneath wood or laminate floors. At less than half a millimeter thick, it has a negligible effect on floor height. The film is laid over our exceptional 6mm Depron Foam insulation (which replaces the standard flooring underlay) to give a minimal effect on your floor height - less than 7mm!

Frequently Asked Questions


Stuck trying to program your FH-01 Thermostat? Contact us on 0115 963 2314 or view our Video Operating Instructions.

The answers to our most frequently asked questions are below. If you have questions that are not answered below feel free to call us directly on 0115 963 2314

Who are Varme and why should I buy from you? top

Varme is one of Scandinavia's top brands of electric underfloor heating cables, which are distributed exclusively by Floor Heating Systems Ltd (FHS) in the UK .The Varme brand is renowned for its quality and is offered with a manufacturers lifetime guarantee.

Our instructions are simple to follow and we also have a freephone technical support line to answer any questions you may have. Our technical support staff are also qualified and certified electrical installers, so we can offer advice and answer any technical questions you may have, before, during or after installation.

Is electric underfloor heating expensive to run? top

This is the most common question we get and the simple answer is, that the running costs are determined by many different factors so it is difficult to generalise.

However in most cases the running costs should not be a negative factor, especially in new homes, apartments and conservatories with insulated floors.

When the systems are used in a well-insulated building (in line with current building regulations) the running costs are usually very low, the thermostatic control in each room/zone means that you only use just enough energy to maintain your desired room temperature. Based on the default thermostat settings, a 1kw system will cost approximately 40 pence per day, based on an average house with an average level of insulation.

Floor Heating Systems have supplied sole source electric floor heating systems to much larger homes including barn conversions of up to 300sqm. Electric floor heating stands out as an excellent choice, especially in areas where there is no mains gas supply and the options are electric, oil, or calor gas. Electric floor heating is usually much cheaper to install than 'wet' systems and in some of the properties we supplied, the cost was less than half that of an equivalent 'wet' system.

Electric underfloor heating is also more efficient than radiators and other convected heat and requires no maintenance or servicing and 100% of the electrical energy is turned into heat energy, rather than being lost as exhaust gases as is the case with many gas central heating systems.

In our experience, the only time electric underfloor heating would be considered 'expensive' to run is when it is installed as a heating system in a poorly insulted home, with little or no floor insulation. Our advice for such situations is always therefore to spend that little bit extra on insulation and you will enjoy the benefits of cheaper heating bills for many years to come!

How simple are your systems to install? top

See our installation pages under each system type - our systems are designed to be laid by anyone with basic DIY skills, but all electrical connections must be carried out by a suitably qualified electrician and in accordance with current regulations.

How warm will the floor get? top

Our systems are designed so that the floor surface will feel comfortably warm , but will never get too hot to walk on!

The thermostat regulates the floor temperature by turning the system off when the floor gets to the required temperature, then back on as the floor begins to cool - thus keeping a constant temperature. It does this up to 3 times per minute for optimum control and maximum energy efficiency.

Can the underfloor heating be used as a primary heat source? top

In the vast majority of cases the answer will be yes, especially in new, well-insulated properties. The exceptions being old properties with little or no insulation, where you have limited floor space available, such as a small galley kitchen, or a small bathroom. In such cases if may be physically impossible to get enough heat output into a small confined space. If you wish to install a primary heating system in an old poorly insulated property, please contact us for advice.

Can the temperature be regulated? top

Yes it can - The FH-01 thermostat controller allows the user full control of the heating system, including the 'occupied' temperature, the 'unoccupied' temperature and the times of operation using a 7-day/24 hr clock control.

What is the typical warm up time? top

How long it takes to heat the floor will vary, depending on your sub-floor and its insulation. Generally the better the insulation the quicker it will heat up, 30 minutes to an hour on a wooden floor, but it will take longer on an un-insulated concrete floor.

However, on concrete floors it will also retain the heat in the concrete and therefore take longer to cool down. The carbon film system is supplied with a thin insulation layer so warm up times will be no more than an hour on any sub-floor. However with tiles, if you lay the cables/cable mats onto un-insulated concrete, it can take several hours to heat up. We therefore recommend that you try to use Varme insulated tile-backer boards wherever possible when installing on an un-insulated concrete floor.

Is there a guarantee? top

Yes all cables are backed by a manufacturers lifetime guarantee! The FH-01 thermostat is guaranteed for five years from date of purchase.

What is the thickness of the under-tile cable/cable mats? top

The cables are just 3mm thick and include a built in return so they only need to be connected from one end.

What is the thickness of the carbon system? top

The carbon film itself is less than half a millimetre thick and when combined with our 6mm 'Depron' insulating underlay below a wood floor, the total combined thickness of the complete system will raise your floor level by just 6.5mm. (Note in a conservatory or on an un-insulated floor, we recommend a double layer of Depron making the increase in floor height 12.5mm)

Can the carbon system be used below 'real' wood floors or just laminate/engineered wood? top

Yes it can and the carbon foil has been fitted below thousands of sqm of real wood floors during the last few years and we have had no reported problems of cracking, warping or damage to the floor.

There are however two things you need to consider if using a real wood floor: The installation method, 'floating' is best (where the boards are glued/fixed together using the tongue and groove).

It is also possible to install the film onto battens at 400 mm centres - please see our Fitting Instructions for details. The other consideration is the moisture content. Wood is a natural product and as long as you chose timber that is fully dried out and has a low moisture content, you will have no problems. A good wood supplier should be able to give you advice on moisture content and suitability for use over underfloor heating.