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I'm doing some work on my own house (makes a change!) and have had a ground floor extension built which will soon be ready for 1st fix, heating is going to be electric underfloor as it can't be part of existing rads due to building regs.

Just wondering what you guys use and recommend?
We do very little domestic so have only installed a couple of small mats for bathrooms etc a few years ago.

Need to cover 12sq M, am I best using a loose wire or a mat system?
I've used the heatmiser stats a few times and like them.

Do I need to install the floor stat in flexi conduit so it can come back out? Floor is being tiled.

Many thanks
 
have a look at a company called ambient ufh. i've used their gear and like it. kit can be supplied with 2 U/F sensors, so that if one fails, you have a spare. they also do the insulating tiles to go underneath the mat/wire.
 
Thanks tel il take a look. Do you need the insulation underneath? It's going on a new floor slab with 100mm cellotex inside already.

It's a sun room (conservatory with tiled roof basically) therefore it exceeds the maximum amount of glazing allowed for a standard extension so need to be separated from the existing house by external grade doors and not directly connected to the existing central heating system. Bloody building regs!
 
Thanks tel il take a look. Do you need the insulation underneath? It's going on a new floor slab with 100mm cellotex inside already.

It's a sun room (conservatory with tiled roof basically) therefore it exceeds the maximum amount of glazing allowed for a standard extension so need to be separated from the existing house by external grade doors and not directly connected to the existing central heating system. Bloody building regs!

Get a completion cert, then get the plumber back.

Some of these regs begger belief.

Also, do you need heating in it as you'll struggle to get it warm in the winter.
 
I have thought about that to be honest! But building controls final inspection is on completion, plastered, painted the lot!

It needs heating as I'd like to use it all year round, hence going to the trouble of a tiled roof to keep it warm in winter and cool in summer.
 
if you have the insulation in the floor, then the insulating tiles may not be needed. the guys at ambient are spot on with technical advice. ask them. just give them the floor area and they'll do all the calcs. for you. even tell you the wattage, spacing, etc.
 
As has been indicated already, try to avoid using this method for providing the main space heating as it could prove to be expensive. One of the benefits of mats over loose wire is that it's slightly easier to tile over. Loose wire is good where you have an awkwardly shaped room - but both do the same job. If using loose wire make sure you calculate the length needed accurately as you can't just cut off the excess or hide it away - as Tel has suggested provide your supplier with room layout and dimensions. The end of the sensor has to be in the tile fixing material in order to read temps accurately. Regards.
 
it's also possible to do away with a floor sensor and use a stat. that measures ambient temp. in the room.
 

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