Rated as excellent
By 100s of our customers
Underfloor Heating Mats
DEVImat electric underfloor heating is ideal for use in areas such as bathrooms, kitchens and conservatories in both new build and renovation situations. The DEVImat system provides a cost effective method of providing warmed floors.
Completely unseen in the home, DEVImat is easy to size and quick to install, totally safe (CE compliant), and easily controllable.
Why choose a DEVImat electric underfloor heating mat?
- 20 year guarantee with DEVIguard guaranteeing the floor as well as the product
- Open self-adhesive mesh design
- Range of applications available - including timber floor (100W), concrete floor (150W) and high output (200W)
- 4mm mat thickness
- DEVI is a premium well trusted brand
DEVI Floor Guard warranty not only guarantees it's heating systems but also guarantees the floor in the unlikely event that the system cannot be repaired due to a manufacturing fault. Other manufacturers only offer product warranties which do not include the replacement of the flooring.
Related articles
List of DEVI Underfloor Heating Mat Resistances
May 12
Concrete Based Floors Single conductor mat. Coverage m2 Normal Minimum -4% Maximum +9% 1.0m 705.00 676.80 768.50 2.0m 353.00 ...
Introduction to DEVI Matting Underfloor Heating
Feb 4
The DEVImat DTIF is a self adhesive mesh, with ultra thin cable pre-attached. It comes in a full range of sizes, from 0.5m-12m and are available in both 100W and 150W per m2 for installation onto b...
How To Install DEVI Matting Underfloor Heating Guide
Sep 11
Follow the step by step instructions below to install your DEVImat system. Example Instruction Step 1 Measure the room and draw a sketch to help you c...
How to Choose your DEVI Matting Underfloor Heating
Jul 21
Start by measuring the free surface area, and make a sketch of the room similar to the one pictured on the right. Choose the closest size of DEVImat (always rounding down to the nearest size). S...
Typical Wiring for DEVI Matting Electrical Connections
Jan 15
Typical wiring layout for connection of DEVImat to 540/550 DEVIreg controller.
Example DEVI Matting Underfloor Heating Floor Constructions
Jan 3
Examples of DEVImat installation under tiles on a concrete floor. Examples of DEVImat installation under parquet/wood/vinyl on a concrete floor. Examples of DEVImat installati...
Frequently asked questions
Are electric underfloor heating systems designed to heat a room or just to keep a floor warm?
Underfloor Heating UK DEVI systems are suitable for both heating the entire room or floor only, depending on your requirements. Poorly insulated areas and in very cold conditions, may require ad...
At what stage of the project should I install my electric underfloor heating?
Generally, we would advise that the property should be airtight before the installation of underfloor heating, but this would also depend on the schedule of your individual project.
Can I install the system myself or do I need an expert?
All of our Underfloor Heating mats come with a full set of installation instructions, providing a simple step by step guide. Most systems can be installed on a DIY basis. But the final electrical c...
Can I retrofit Underfloor Heating into my property?
Installation of underfloor heating is obviously easier within a new build project, but if designed correctly, you can still enjoy the benefits of heating your property using underfloor heat on a re...
Can the backlight in stand-by mode be turned off on the DEVIreg Touch thermostat?
Yes it can. From the main menu, go to Settings > Options > Dim level, and select OFF. With the same navigation, the safety lock, forecast (adaptive function, both start and end), window op...
Can underfloor heating be used in a bathroom or a wet room?
Yes, underfloor heating is a great way to warm your home. It’s lovely to walk on and distributes heat evenly around each corner of the room, freeing your walls from radiators, so its not surp...
Can underfloor heating be used under carpet?
Underfloor heating can be used with most types of carpet. A self-levelling compound is required and as long as the underlay is not a good thermal insulator (i.e not felt), heat will easily pass thr...
Do I need a thermostat?
Yes, we include a DEVIreg Touch programmable thermostat in all of our kits. This stylish cutting edge thermostat uses pulse width modulation with optimum start and optimum end programming as well a...
Do I need to change the flooring when I want to install DEVI floor heating in my bathroom?
An easy and clean solution such as DEVImat gives you possibility to leave an old floor without removing it and creating unnecessary mess. The thought of broken up floors and craftsmen running in an...
How do I turn off my underfloor heating system?
During the summer months or when it is warm, you may wish to turn off your underfloor heating. All of our thermostats have an on/off switch, which can be used to turn off your underfloor heating sy...
I have a floor which is made up of both timber and concrete. Can I use a single heating mat for the floor?
We strongly recommends that each section of floor with a different covering has its own ‘mat’ as well as thermostat since each floor surface has a different maximum temperature limit. W...
What is an underfloor heating floor sensor?
A floor sensor is a device that is connected to the thermostat, and allows the floor temperature to be fully controlled. The floor sensor is wired back to the thermostat, and connected to the &l...
What is the black thing at the far end of the twin conductor mat?
This is the connection at the end of the twin conductor mat where the heating element is connected to the neutral return. This is manufactured within the cable.
Which type of thermostat should I choose for my underfloor heating system?
When choosing a thermostat for your underfloor heating system you need to decide what characteristics you want from your thermostat. Manual - A manual thermostat will provide total control when ...
Will underfloor heating restrict my choice of floor finish?
The correct floor covering should be carefully considered to ensure heat is not prevented from rising into the room by the floor covering. We offer expert advice on floor covering to ensure the bes...
Customer reviews
Two Ltd
9 November 2018 09:10
DEVIcomfort 150W/m2 DTIR-150 8.0m2 1200W Underfloor Heating Mat
Excellent Product. Fits Our Requirement Perfectly
Customer service experience
Fantastic Service, Quick Delivery. Will use Underfloor Heating UK for all of our underfloor heating projects
Thank you very much for your really great review. I will pass on your positive comments to our sales, technical and administration team and look forward to hearing from you again.
Oksana Romanovska
21 October 2018 06:35
DEVIcomfort 150W/m2 DTIR-150 10.0m2 1500W Underfloor Heating Mat
happy about everything , will recommended
Customer service experience
excellent
Thank you for the 5 star service rating.
Richard Smith, Cheshire
10 October 2018 15:13
DEVIcomfort 100w/m2 DTIR-100 2.0m2 200W Underfloor Heating Mat
Great product at a great price!
First Class !!!!
Great service - very knowledgeable staff on the helpline - advised of exactly which item was compatible as a replacement for an obsolete stat, and prices are very competitive too. Also delivery was perfect as arranged. All in all excellent, and will definitely use again.
Trusted Customer
24 September 2018 22:20
DEVImat 200W/m2 DTIF-200 6.10m2 1210W Underfloor Heating Mat
The best mat on the market.
Excellent service
Excellent service quick and easy. Stock the best products at the best price will definitely order future products from them .Highly recommend them
Martin Breen, Dublin, Ireland
7 June 2018 11:33
DEVIcomfort 100w/m2 DTIR-100 3.0m2 300W Underfloor Heating Mat
an easy choice for the floor i needed heated
Fantastic product, fantastic people to deal with.
My original query was answered very quickly and the follow up supply of goods was equally excellent. Great customer service.
Fantastic, thank you for the great review of our service.