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Reply to: Underfloor Heating

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Previously on "Underfloor Heating"

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  • bobhope
    replied
    We have it - couldn't go back now.

    That's why you can only really do the heat pump thing with underfloor heating - the pump doesn't get up to the temperatures required for radiators. It's still more efficient than radiators too.

    Leave a comment:


  • milanbenes
    replied
    yes that is true you have to leave it on all the time, but on the other side it never gets as hot as radiators otherwise it would burn your feet !

    Milan.

    Leave a comment:


  • Troll
    replied
    Isn't the problem with UFH thermal inertia - you either have to leave it ticking over all the time(wasteful) or accept the longish delay in heat getting through the floor

    Leave a comment:


  • milanbenes
    replied
    i've got it in the entrance hall, bathrooms and winter garden on my place, all of those rooms have tiled floors

    i made a big mistake and should have done the whole house with under floor but didn't know enough about the subject and worried it would cost too much

    the rest of the rooms with radiators have inch thick oak floors

    whether oak or tile floors, the concrete has five centimeters of polystyrene on top of it throughout the whole house and then five centimeters of anilhydride on top of the polystyrene and then the tiles or wood on top of that so there is thorough insulation between the final floor layer and the foundation of the house but this is the same upstairs too

    what i have learnt since is that if I had gone for the underfloor throughout the house (dipstick why didn't i do that) then I could have had the ground thermo pump heating method to heat the house

    Milan.

    Leave a comment:


  • Bear
    replied
    Thanks XL

    I guess I can have a proper look when I get in

    Leave a comment:


  • XLMonkey
    replied
    Originally posted by Bear
    Thanks Guys

    I know UFH is good and if (when) I do a self build I will definitely use it.

    What I was interested in was views on the feasibility of retro fitting it to a house that needs CH but little else in terms of refurbishment.

    Given that a boiler is needed for hot water anyway - would the cost of retro fitting UFH make it a waste of time?

    Would there be any other disadvantages?
    If you're putting in a boiler and other central heating anyway, then I wouldn't bother with having a separate electrical system for underfloor heating. Although fitting the pipes is more straightforward, you will usually need a separate ring main to power the system, which often means that what you save on the plumber you pay for with the electrician.

    The costs of any UFH system depend (a lot) on what the current floor is like.

    If you have a suspended floor then it's relatively inexpensive to fit underfloor heating. But, it would still cost 800-1000 to fit into a single room (because the main costs are in the sensors and control valves, rather than in the pipe itself). If you are in an older building that has a solid floor then you will need to get it dug out and relaid in order to get the pipes in. This adds anything from 500-1500 to the cost (depending on how much needs digging out, and whether you've got structural issues to consider).

    With that said, the cost/room falls off dramatically once you've got all the valves and doohickey's purchased, so it makes a lot more sense if you do multiple rooms/have a large surface area to heat. Its also a lot cheaper if you are willing/able to do most of the labour yourself. Polish builders don't come as cheap as they used to!

    I'm just doing exactly this in a 16th century cottage with a foot thick concrete floor in one room. Nice.

    Leave a comment:


  • Bear
    replied
    Thanks Guys

    I know UFH is good and if (when) I do a self build I will definitely use it.

    What I was interested in was views on the feasibility of retro fitting it to a house that needs CH but little else in terms of refurbishment.

    Given that a boiler is needed for hot water anyway - would the cost of retro fitting UFH make it a waste of time?

    Would there be any other disadvantages?

    Leave a comment:


  • Paddy
    replied
    Originally posted by EternalOptimist
    Stayed in a motel in the USA about 5 years ago. It was a cold evening so I looked to turn the heating up, there was no thermostat, no radiators - nothing.

    I went off to complain but the office was closed and when I got back to the room the missus said it was getting warmer. The heat was being radiated from the ceiling, a sort of Artexy stippled surface.

    Never seen anthing like it before nor since.



    I had a similar experience at a hotel in Chernobyl

    Leave a comment:


  • ChimpMaster
    replied
    A loaded mate of ours just had their house built. Underfloor heating all round with each room having it's own thermostat controller.... tremendous stuff. They have tiles in most rooms and wood flooring in others -- with wooden floorboards u need to get special (i.e. expensive) type that has been treated to be temperature resistant.

    Leave a comment:


  • EternalOptimist
    replied
    Stayed in a motel in the USA about 5 years ago. It was a cold evening so I looked to turn the heating up, there was no thermostat, no radiators - nothing.

    I went off to complain but the office was closed and when I got back to the room the missus said it was getting warmer. The heat was being radiated from the ceiling, a sort of Artexy stippled surface.

    Never seen anthing like it before nor since.








    Leave a comment:


  • Bagpuss
    replied
    These guys are always advertising on talk sport

    http://www.freeyourwalls.com/

    Leave a comment:


  • AtW
    replied
    Did not you hear that house prices are in danger of imminent collapse?

    And given Global Warming you might as well install solar panels to be energy creator rather than energy waster.

    HTH

    Leave a comment:


  • Sockpuppet
    replied
    Underfloor heating is good in my view.

    If I have the oppotunity to build my own/buy a wreck I can do up I would certainly go for it - partly becuase I think most radiators look rubbish.

    Leave a comment:


  • Bear
    started a topic Underfloor Heating

    Underfloor Heating

    On the same vein as a recent thread of mine on House Refurbishment.

    I am buying a house that needs Central Heating installing, it's a big house (4 Bed Detached) so I reckon a standard installation (gas boiler and about 14 rads) is going to set me back about £8k.

    What's the view on UFH as a realistic alternative?

    I've been looking at self build so I know the sort of systems about - I wouldn't go for a wet system - would prefer electric UFH (good systems nowadays).

    I would still need a boiler for hot water etc

    The house only needs decoration and new kitchen other than CH

    I'm guessing the cost and upheaval would be prohibitive but would welcome views

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