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Central heating in an existing house

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  • 07-04-2008 11:30am
    #1
    MrsQuestions
    Closed Accounts Posts: 17 ✭


    We currently have underfloor heating in our house. We have had no end of problems.

    We are currently looking at putting wood pellet with a buffer tank but the cost is so high.

    We are now wondering if it would be a better investment just put in radiators. Does anyone know roughtly how much this would cost for a 3,000 sqr foot house. Also, would this involve digging up all the floors to install all pipes?


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    #2
    311
    Closed Accounts Posts: 5,332 ✭✭✭311


    Pricing the job depends on the actual design of the house.
    Sometimes it's possible to run pipes in partition walls ,this means there would be no digging of floors downstairs.

    What type of house is it ,one storey ,two storey etc.
    Is there gas in your area ?


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    #3
    MrsQuestions
    Closed Accounts Posts: 17 ✭MrsQuestions


    Its a 2 story house. With concrete floors upstairs. All the walls are block, no partitions.

    We have a gas boiler installed but we are not on the gas mains


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    #4
    311
    Closed Accounts Posts: 5,332 ✭✭✭311


    You would need someone to check things out and give you a price then.

    Maybe using the existing heating system and zoning extra radiators seperately or something.

    Definetly getting someone out is your best option.:)


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    #5
    davidoco
    Registered Users Posts: 656 ✭✭✭davidoco


    MrsQuestions wrote: »
    Its a 2 story house. With concrete floors upstairs. All the walls are block, no partitions.

    You made a good choice there with the concrete 1st floor and all block partitions but when it comes to installing radiators IMO you may forget it now - unless you have not decorated the house. Gas is a great fuel source for radiators as it is fast and gets hot quickly - perfect for rads. Gas boilers and UFH would never be good mates and especially bulk delivered gas.

    Perhaps it might be a better idea to get in touch with a totally different plumber/heating engineer to look at your existing system to ensure it is working correctly.

    You could also just put in the buffer tank on the gas and see how you get on. It should improve things but I notice on a previous post that you have the heating on from 6 to 8 and 5 to 10 - your treating the UFH like a rad system by doing that. Most (not all) UFH posters on here will tell you that they have the heating on all the time.

    You should also post the technical details of your UFH (maybe a new post). Perhaps there is something in the floor construction/insulation that is causing the problem. My guess is hollow core 1st floor with pipes laid in 75mm screed is taking up any heat available and not releasing the heat to the room on time for you. You may get some very knowledgeable replies regarding the correct method of UFH 1st floor construction.


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