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First house, want to retrofit Underfloor Heating. Many Questions

Discuss First house, want to retrofit Underfloor Heating. Many Questions in the UK Electrical Forum area at ElectriciansForums.net

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OnlyHumanHere

Hi there,


So first things first, just bought myself my first house 20151120_154608.jpg. 1920's build in Wiltshire. Should have the keys to it next week, can't wait.


Floor plan l8u81i4uNEiqib8Bo7vlxA.jpg




First problem is, no gas mains in the village. This means it currently has an immersion heater to supply hot water 20151125_165423.jpg20151125_165447.jpg, storage heaters for heat and the oven/hob connected to gas bottles stored outside on the side of the house.


So, after doing a bit of research and planning with my wife, we want to scrap the storage heaters 20151120_161302.jpg 20151120_161337.jpgand go for water UFH with a free floating 8mm laminate flooring Something on the lines of this . Looking around, I think prowarm seem to do a good job with supplying all the parts we need, being bought from Theunderfloorheatingstore (regarded fairly highly online and seemed very helpful on the phone).


Now, my main concern is what to do with the heating element. I've spoken to a few specialists and I've been told either keep the immersion heater for the sink/bath water and get something like a 'Slim Jim'ehc-slim-jim-electric-flow-boiler-26463-p.jpg electric boiler for the UFH. Obviously the guy that recommended that was the website that sells it. However, again it's reviewed rather well and it'd be nice to keep all the product coming from one place.


Another plumber I spoke to recommended to scrap the immersion heater and get a combi boiler. He did say that if it was him, he would probably look at LPG combi boilers over an electric boiler for the long term cost saving (did a bit of research and yes, lpg is much cheaper than electric). However, when it comes to boilers, I'm completely lost as to what I need.


So my questions are...


* Keep the immersion tank or scrap it?
* Get an LPG combi boiler, electric combi boiler or just a stand along boiler for the UFH and keep the immersion tank.
* If I was to take the immersion tank out, should I put the new boiler in it's place? If so, would I need 1 or 2 UFH manifolds for each floor?
* I was thinking about putting the whole system (manifold and boiler) under the stairs20151120_161232.jpg, would that make sense?
* Apart from the kitchen (which is tiled) and the reception (which is original parquet), the rest of the house is carpeted, is it relatively straight forward to just rip the carpet up, lay down the floating floor, insert piping, cover and just throw the laminate on top?
* One guy I spoke to said I would probably need to manifolds, 1 for each floor. Is that right?
* rippiing up the Parquet20151120_161343.jpg and tiles in the kitchen, is there anything I should know before doing so?


I plan to try and get most the humping and dumping, laying the insulation for the piping, the piping and laminating myself, however I will be getting professional help for the installation and testing of the equipment.




Final Question, with multizone UFH...is the NEST thermostat (Gen 2) still a good option?






I hope I haven't made things too complicated.












TL: DR....Want to install UFH, in the UK, what is a recommended brand? Should I scrap my Immersion heater for an electric or LPG combi heater? Is it all worth it?
 
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