Frequently Asked Questions

We make every effort in answering your questions. Below is a list of those questions we are frequently asked.

Are electric underfloor heating systems designed to heat a room or just to keep a floor warm?

Electric underfloor heating 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 a...

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At what stage of the project should I install my 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. Please call one...

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Can furniture be placed on top of the underwood heating mats?

Most free standing furniture is fine to use with heating mats, although its use under fixed items, like fitted wardrobes or units, is not recommended. To avoid any localised hot spots, we do not re...

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Can I install the system myself or do I need an expert?

All of our Electric 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 ele...

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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...

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Can I use the Harmoni 25 & 50 thermostat with all Devi products?

Yes, the Harmoni 25 and 50 thermostat are compatible to use with all Devi products. Please speak to one of our advisors on 01473 559079, to ensure that your thermostat is compatible with your system.

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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...

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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...

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Do I need a thermostat?

Yes, we include a range of digital and touch screen programmable themostats in our kits. We offer only of the most efficient Underfloor Heating controls available to complete your kit.

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What is an XPS Insulation Board?

XPS Insulation or Extruded polystyrene insulation which it is also known as is manufactured through an extrusion process. This process involves melting together the plastic resin with the other ing...

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What is the thickest wood floor I can use with the underwood heating system?

A maximum thickness of 18mm is recommended to maximise the benefits from the underwood heating solution.

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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 ...

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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...

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