Office hours: 01525 409917 
After hours EMERGENCY: 07746 243248 

 
Frequently Asked Questions about DEVI Heating 

 
 
How much does it cost to repair my DEVI underfloor heating? 
That is a generally a ‘how long is a piece of string’ question, the main consideration is where you are based i.e. the location of the job. Currently a lot of our warranty work is in London north of the river. A typical call to London Docklands is £196.00 ex VAT. A typical controller is £82.80 ex VAT. 
 
My DEVI underfloor heating has stopped working, what could be wrong? 
There are generally two main faults, and the preferred fault is a controller fault as the other fault is a break in the heating cable which invariably involves lifting up flooring. Cables are repairable. 
 
My DEVI underfloor heating is using too much electricity can you do anything to help? 
We can advise on energy saving. The keys to energy saving is using the system as designed. Using any timer facility and not over heating the room. 
 
I see you are based in Bedfordshire, how far do travel to jobs? 
We travel anywhere in the UK, but be aware the clock starts ticking as soon as we are on the road. We have recently carried out work in Southampton and Hemel Hempstead in 1 day; we make regular trips to the London Docklands and also have regular clients (whole sites) in Hampshire and also in Kew (London). More recently we have travelled to Scotland for a Wedding venue and have enquiries from Ireland. 
 
How quickly can you get here? 
Generally we don’t get emergency calls as most places can use alternative temporary forms of electrical heating but most jobs we can attend within a week and always endeavour to meet your requirements. Generally if you can be flexible we can minimise cost by arranging multiple client visits. 
 
How long does a repair take? 
The survey and a basic repair typically involve being in the house for an hour but if the fault is a cable break, but not a clean break it can take all day. 
 
Do you have to dig up all of the floor? 
Rarely – as Devi is a quality product, most failures are down to quality of installer. We are proud to say in doing Devi installs since 1991 we have never had a cable failure unless it had been damaged by another trade (carpenter etc). 
 
Will there be a huge mess? 
We keep the mess to minimum and always clean up after ourselves. 
 
Do you sell DEVI Underfloor Heating? 
We sell all Devi products for both concrete and wooden floors including controls, we carry our pre install surveys and a design service. 
 
If we buy it from a supplier will you install it? 
We can fit your product and have a vast knowledge of every type of install you can imagine. We even fitted it outside, in a slope to a garage that used to iced up in the winter. 
 
How much does it cost to install a DEVI underfloor heating system? 
Ring for a free quote. We sometimes don’t need to attend, in the first instance send us: 
1. A couple of photos 
2. A plan of the work or the known area(s) to be heated 
3. Type of flooring 
4. Specifying if it is heating you require or just floor warming 
We can do the rest. 
 
 
To find out more about how Woolgar Electrical can help with your DEVI Underfloor Heating issues and installations call us on 01525 409917 
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Woolgar Clients: 
 
Wrest Park (English Heritage) 
Woburn Park and Safari Park. 
The MET Office. 
The NHS (SEPT) 
Aragon Housing 
MacIntyre Care 
Howard Cottage HA 
Central Beds District Council 
Hanover Housing Association, St Neots 
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Address: 
 
Woolgar Group 
Unit 15 
Blackmoor Business Park 
New Road 
Maulden 
Bedford, MK45 2BG 
Bedfordshire, England, UK 
 
Company Number: 07823138 
Your commercial electrical contractor operating for over 50 years though-out Bedfordshire, Hertfordshire and Buckinghamshire. 
Domestic Electricians for homeowners in Bedfordshire, Hertfordshire and Buckinghamshire 
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