Why is my electric underfloor heating not working?

Barrett Hermann asked a question: Why is my electric underfloor heating not working?
Asked By: Barrett Hermann
Date created: Tue, Jun 8, 2021 9:33 AM

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Top best answers to the question «Why is my electric underfloor heating not working»

Floor heating is Ineffective

Floor takes a long time to heat up - the most common cause of poor performance with electric underfloor heating systems is lack of insulation either directly beneath the heating or within the floor build.

Circuit Breaker - check that the circuit breaker or fuse applicable to the underfloor heating circuit has not tripped or fused… Wiring - check all wiring connections, make sure you isolate the applicable circuit prior to doing this, also check the polarity to the Thermostat as if wired incorrectly it will not function.

FAQ

Those who are looking for an answer to the question «Why is my electric underfloor heating not working?» often ask the following questions:

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10 other answers

Why can I feel no heating? 99% of the time this issue is usually just a settings issue, there is a small chance of it being something more sinister. We are always here to help you sort your underfloor heating problems but look below at our quick checklist to see if we can resolve your issue.

If your electric underfloor heating isn’t warm enough, you may need to adjust your thermostat settings or check the system’s power output. This could also be down to the insulation in your home – check this before installation. I’ve damaged or cut an electrical heating cable

Go to 5) 9) Temperature and program settings on the thermostat need to be adjusted. 10) Please complete Uheat returns form, so the thermostat can be returned to us for testing / replace / repair. 11) Check resistance & insulation resistance of the heating and report results to Uheat here. Our Promise To You.

Floor takes a long time to heat up - the most common cause of poor performance with electric underfloor heating systems is lack of insulation either directly beneath the heating or within the floor build.

Common Underfloor Heating Problems Although generally highly reliable, there are many reasons your underfloor heating could be malfunctioning. These problems can include anything from incorrect setup to incompatible external components, such as flooring, or something as simple as trapped air in the pipes.

If you have a fault once the system is up and running, the first thing to check is the flow rate in the flow meters. Make sure they are set between 1.5L/min and 2L/min for boiler use and 1L/min for heat pump use. If there is no reading (the red indicator is at the top) nothing is flowing around the loop. 2.

Pump relay stuck on wiring board/ faulty thermostat/ underfloor heating actuator problem: all these issues are a result of electrical problems that will require the assistance of an electrician. You could try resetting the thermostat, clearing potential errors, before making the call for a technician.

2. The heating system trips the circuit breaker. If this happens, your breaker is probably either too small or it’s the wrong type. Always check the circuit breaker type and rating you need for your electric in-floor heating system. If the breaker is the right size, then the heat system’s wiring might be damaged.

If NO then you need to find out why. If YES then..... use the ohms range on your meter and check if the floor element resistance and probe resistance are the same as when the flooring was installed (values should have been written on the instructions). If all OK then its likely that the controller is not working.

Also two thermostats have failed and the last time we did not bother replacing as the system is really a dead loss. The first wire laid by builder was damaged we found builder had wound wires together and taped them up. This under a wet room floor. So all tiles had to be lifted and a new wire laid.

Your Answer

We've handpicked 52 related questions for you, similar to «Why is my electric underfloor heating not working?» so you can surely find the answer!

Is underfloor electric heating expensive?

Electric underfloor heating running costs

Dry systems can be a lot more expensive to run – sometimes up to 3 or 4 more times more than a wet system. This is in large part because electricity tends to cost more than natural gas. For this reason, it's often used to heat single rooms, like bathrooms or kitchens.

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What is electric underfloor heating?

Electric underfloor heating is usually placed on top of a layer of floor insulation, to ensure the heat travels upwards rather than down. This is first laid on a layer of screed (made of sand and cement) or suspended timber (floorboards on joists), to ensure the surface is completely flat.

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How do i know if my electric underfloor heating is working?

  1. Heating Cable Resistance Test. This test is carried out to prove continuity of the heating element…
  2. Floor Sensor Resistance Test…
  3. Insulation Resistance Test.

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Can electric underfloor heating be repaired?

Can electric underfloor heating be repaired? The simple answer is YES . It doesn’t matter if your heating system is set up under a carpet, tiles or a wood flooring.

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Can electric underfloor heating catch fire?

WARNING: Shock & Fire Hazard

If the Underfloor Heating System is damaged or not installed properly, fire or shock could occur resulting in serious personal injuries or damage to property… Our systems are designed for under floor heating purposes only.

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Can electric underfloor heating replace radiators?

Underfloor heating is a popular heating method and ideal in bathrooms and kitchens, but it can be used anywhere in the house. Using underfloor heating instead of radiators is possible and depending on your heat loss, you can even get rid of radiators completely.

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Can water damage electric underfloor heating?

If a floor with electric underfloor heating suffers flood damage or sustained water ingress it is vital that the system is turned off as quickly as possible.

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Does underfloor electric heating require permit?

Do you need planning permission to install underfloor heating? Although you currently need to apply for planning permission in the UK to install a central heating system, you do not need this permission to install underfloor heating.

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Electric underfloor heating expensive to run?

Looking at the table above, electric underfloor heating is definitely not as expensive to run ...

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Electric underfloor heating how it works?

How it works. The heat in our underfloor heating systems comes from electricity via heating cables laid in loops all over the floor area.. A thin layer of filler is spread over the underfloor heating cables to obtain an even surface and the floor is laid on this.

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How deep is electric underfloor heating?

The minimum screed thickness you should use for warm water underfloor heating systems is: Minimum depth of 65mm for hand-mixed screed Minimum depth of 50mm for liquid screed

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How does electric underfloor heating work?

Electric Underfloor Heating works by using a network of cables that are wired up to a thermostat and the mains electric. Depending on the type of floor in each home or workplace there are different types of electric underfloor heating systems, although no matter what the type a qualified electrician should always connect the underfloor heating to the mains.

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How economical is underfloor electric heating?

Is underfloor heating expensive to run? You may be surprised at the running costs of UFH. For a 4 m2 bathroom requiring around 250 W to maintain the room temperature, this comes to 6000 Wh or 6 kWh per day. For a dry, electric system with electricity charged at 15 p/kWh, it would cost around 90 pence to heat per day.

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How effective is electric underfloor heating?

Is electric underfloor heating effective? Underfloor heating systems can be more energy efficient than other forms of central heating , saving you money on gas and electricity . Water-based underfloor systems are 25% more efficient than radiators when run from a traditional boiler because they use water heated to a lower temperature – 50°C as opposed to 70°-90°.

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How efficient is electric underfloor heating?

As electric underfloor heating is 99% efficient at the point of use, it makes it the most energy efficient form of heating, gas boilers waste energy by way of exhaustible gases.

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How safe is electric underfloor heating?

  • Electric underfloor heating is under the floor, and therefore already at a greater distance than many other everyday items you never worry about. As well as that, the insulation used is completely safe. Of course, even in a DIY underfloor heating job, one must use an electrician.

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How thick is electric underfloor heating?

electric underfloor heating installation electric underfloor heating wiring diagram

The popular Stickymat System is only 3mm thick and features a self-adhesive backing, so a separate adhesive is not needed to attach the heater to the subfloor thereby minimising the floor build-up even more.

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How to fit electric underfloor heating?

This video shows step by step on how to install your electric underfloor heating. If you have any questions please leave a comment or email us at [email protected]

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How to instal underfloor heating electric?

This video shows step by step on how to install your electric underfloor heating. If you have any questions please leave a comment or email us at [email protected]

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How to install electric underfloor heating?

This video shows step by step on how to install your electric underfloor heating. If you have any questions please leave a comment or email us at [email protected]

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How to install underfloor heating electric?

It features an ultra-thin electric heating wire which means it does not alter the floor levels visibly and utilises a self-adhesive backing to securely affix the heater to the subfloor. The pre-spaced, pre-adhered heating wire allows the installer to focus entirely on laying the mat correctly, quickly and efficiently.

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How to program electric underfloor heating?

instruction on ezewarm ezestat programming your thermostat in three simple steps.touchscreen thermostats for electric underfloor heating can be quite complex...

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How to set electric underfloor heating?

How to Install an Electric Underfloor Heating System. Firstly, you need to decide how much you are prepared to lift your floor. If this is not a problem it is a good idea to source and fit some insulation backer boards to the floor first. These boards will stop you wasting a lot of heat in the floor.

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How to wire electric underfloor heating?

We have coated our floor with 3 coats of diluted (30% water/70% PVA to ensure the board is sealed and to give greater adhesion to both the underfloor heating mat and the tile adhesive. When the floor is laid and dry (e.g. tiles), turn the electricity off at the mains.

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Is electric underfloor heating any good?

The main advantage of electric underfloor heating is that it is very slimline and space saving. That’s compared to both standard radiators and standard underfloor heating. The electric mesh lies under flooring completely flat, unlike traditional piped underfloor heating.

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Is electric underfloor heating cost efficient?

There are lots of advantages to having underfloor heating (UFH), but you may be worried about how efficient it is and how expensive it could be to run. If you’re concerned about your energy bills soaring , read our guide to find out why UFH might not be as expensive as you think.

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Which electric underfloor heating is best?

The main advantages of electric heated floors are high efficiency, hidden installation, safety and durability. We have compiled a list of the best electric …

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Who can install electric underfloor heating?

For many people an electric underfloor heating system seems like a complex electrical product that requires a qualified, professional installer. However, Thermogroup’s Underfloor heating systems are supplied as a complete wired system it can be installed by any competent DIY person, a professional installer or tradesperson (Including Builder, Tiler or Electrician).

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Can i install electric underfloor heating myself?

You can see from the images below the advantages and ease of installation over normal, radiator type heating. The DIY nature of the electric underfloor mats, especially using the DIY underfloor heating kits available, makes it perfect for most heating purposes in most homes.

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Can nest thermostat control electric underfloor heating?

The Nest Thermostat range does support hydronic (water based) underfloor heating, whereas support for electric UFH is more limited. Plus Nest Thermostats can only control a single heating source, not multiple.

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Can you repair electric underfloor heating cable?

You should never cut a Comfortzone electric underfloor heating cable. If you do it can be repaired with our cable repair kit, but this should only be attempted by a qualified electrician. If you have cut or damaged your cable please call our technical helpline for advice on 0800 019 5899.

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Does electric underfloor heating heat the room?

When it comes to whether electric underfloor heating will heat your whole room well enough, the answer is an absolute yes. The real question to ask in this ask is whether it’s right for you. In most cases for most people, it is as long as it’s properly and professionally installed.

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Does electric underfloor heating work under carpet?

"Can underfloor heating work with carpets? " The answer is simply, " yes ", with a " but ". ‍ Make sure your underfloor heating supplier knows which rooms will be carpeted – it makes a difference to the calculations they need to perform, and a reputable company that is a member of the national trade association will advise you if UFH is not going to provide enough heat.

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How efficient is electric underfloor heating cost?

A pricing suggestion of about about $260-400 per day for your tradespersons work would be fair and most of our systems can be installed within a room, start to finish, in about 1 – 1.5 days. This gives us a general estimate of about $520 for installing an underfloor heating system.

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How efficient is electric underfloor heating uk?

UFH will likely use less energy than standard radiators. This is because these systems are more efficient at circulating the heat around your home, and therefore they can run at a lower temperature. Whereas radiators may require the water to be heated to around 70 ℃, UFH can perform at temperatures as low as 30 ℃.

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How long does electric underfloor heating last?

How long will an underfloor heating system last? The pipes used for underfloor heating must have a projected lifespan of 50 years, in accordance with industry standard DIN 4726; however over 100 years is entirely possible.

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How much does electric underfloor heating cost?

How much does it cost to run electric underfloor heating? Electric underfloor heating can be one of the most efficient and cost effective methods to heat your home. In-fact it costs less than 30p to heat an average sized bathroom in the UK (4.4m2) for 3 hours.

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How much to fit electric underfloor heating?

Typical costs for electric underfloor systems are around £60 per m² for electric mats and £75 ...

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How much to install electric underfloor heating?

Electric underfloor heating costs are lower than those for wet systems. The cost for heating pads begin at around £50 per square metre, rising to around £100 for more high-end products. Installation cost will be around £200 to £300 for the work, which should take a day for a typical bathroom.

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How safe are electric underfloor heating systems?

Is Electric Underfloor Heating Safe? Built-in safety. Modern day systems have many safety features built into them that leave very little (if any) room for... Water and electricity. It’s well known that these two do not make good bedfellows, but when it comes to electric floor... Track record. The ...

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How to fix electric underfloor heating installation?

We have coated our floor with 3 coats of diluted (30% water/70% PVA to ensure the board is sealed and to give greater adhesion to both the underfloor heating mat and the tile adhesive. When the floor is laid and dry (e.g. tiles), turn the electricity off at the mains.

Read more

How to install electric underfloor heating cable?

Do not install the cable directly onto a bitumen base. Prime the floor using an acrylic bond making sure to cover the whole area of screed or insulation. Once the primer is applied, leave it to dry before laying the Elektra Undertile Cable.

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How to install electric underfloor heating insulation?

Laying wooden flooring onto an electric underfloor heating mat The self levelling floor screed is mixed according to the manufacturers instructions and tipped onto the floor. Spread around with the trowel until the top of the compound just covers the wires for the heating mat. You then leave for 24 hours to dry.

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How to install electric underfloor heating mats?

Both heating mats and heating cables offer quick installation times and will bring cleaner, more efficient warmth to your home, saving you money on your heating bills. Electric Underfloor Heating Mats. As mentioned before, floor heating mats are especially suitable for regular shaped rooms and for heating a large area evenly.

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How to install electric underfloor heating systems?

Installing UFH. Every heating system has specific installation instructions and it is crucial to follow the manufacturer’s installation manual step-by-step to perform this correctly. If you have any doubts during any stage of the installation, always contact the manufacturer for help. Installing the StickyMat System

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How to install electric underfloor heating uk?

Both heating mats and heating cables offer quick installation times and will bring cleaner, more efficient warmth to your home, saving you money on your heating bills. Electric Underfloor Heating Mats. As mentioned before, floor heating mats are especially suitable for regular shaped rooms and for heating a large area evenly. When you measure and create the floor plan, remember to subtract any fixtures such as baths and cupboards to ensure you get the correct size mat for the floor area.

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How to wire electric underfloor heating thermostat?

Take the thermostat and unscrew the terminals. Check the manual to ensure that you know which wire goes where. Place the wire in the holes make by lifting up the screw, and then tighten this down again using your screwdriver. Ensure that the wire cannot fall out.

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Is electric underfloor heating a fire hazard?

An electronic underfloor heating is not a fire hazard and is is completely safe. It is also UL certified

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Is electric underfloor heating cheaper than gas?

On the face of it, the gas vs. electric heating cost is much cheaper. A single kilowatt-hour (kWh) unit of gas costs around 4p, whereas the average price for a kWh of electricity is more than 16p [6] .

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Is electric underfloor heating cheaper than radiators?

While traditional radiators may need to be heated and maintained at around 70 degrees Celsius to heat an entire room, the system of underfloor heating operates at a much lower temperature. This can be 29 degrees Celsius or less, with the true figure depending on the flooring you choose. Less heat required, lower energy costs.

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Is my underfloor heating gas or electric?

Some people will also pay close attention to the energy efficiency of both systems. Some say that electric underfloor hating is more energy efficient – that is, it uses less energy to heat the mat and the top layer of flooring than that of gas underfloor heating. Lifespan and maintenance

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Is underfloor electric heating expensive to run?

Looking at the table above, electric underfloor heating is definitely not as expensive to run ...

Read more