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Central Heating Zones

  • 03-02-2009 12:28pm
    #1
    rosullivan
    Closed Accounts Posts: 70 ✭✭


    I am at the stage of planning the central heating in my house renovation/extension. I will have:

    (a) a multi-fuel stove with boiler to heat DHW and rads (and it with be a gravity-fed rather than a pressurised system because of the multi-fuel stove);
    (b) solar panels to heat DHW only;
    (c) condensing oil boiler as a back-up/booster, to heat DHW and rads.

    How easy is it to have different zones in the house? The multi-fuel stove will only heat 8 rads (or 4 double rads), so I was thinking of having two zones in the house. Zone A would be the most often used rooms (and heated by the multi-fuel stove) and Zone B would be the less used rooms (which could be heated less often by the oil boiler). Is this going to be very expensive? Is it possible to have the output from the multi-fuel stove only heating the rads in Zone A?

    Also, for a house with 3-4 people (max) in it, how big or small should my triple coil water tank be? I have heard somepeople say 300 litres and some say 165 litres!


Comments

  • #2
    rosullivan
    Closed Accounts Posts: 70 ✭✭rosullivan


    Anyone?:)


  • #3
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    not a simple enquiry a lot of variables . you need to source a good engineer for this .

    I doubt you can reasonably expect more than outline guidance on forum


  • #4
    rosullivan
    Closed Accounts Posts: 70 ✭✭rosullivan


    sinnerboy wrote: »
    not a simple enquiry a lot of variables . you need to source a good engineer for this .

    I doubt you can reasonably expect more than outline guidance on forum

    Fair Nuff. I am going to discuss in detail with the plumber who is to install the system, but just wanted to get some opinions first.


  • #5
    sinnerboy
    Closed Accounts Posts: 5,433 ✭✭✭sinnerboy


    Best of luck with it . Be 100% satisfied , as far as you can be , that the plumber is absolutely on top of it all . Ask hard questions of him before the install - not after :)


  • #6
    Slig
    Registered Users, Registered Users 2 Posts: 1,550 ✭✭✭Slig


    If your installing multiple thermostats make sure they are in sensible locations, not a drafty hall or above a rad.


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  • #7
    De_man
    Registered Users, Registered Users 2 Posts: 552 ✭✭✭De_man


    rosullivan wrote: »
    Also, for a house with 3-4 people (max) in it, how big or small should my triple coil water tank be? I have heard somepeople say 300 litres and some say 165 litres!

    300Litre tank would be the norm


  • #8
    rosullivan
    Closed Accounts Posts: 70 ✭✭rosullivan


    Slig wrote: »
    If your installing multiple thermostats make sure they are in sensible locations, not a drafty hall or above a rad.

    I am planning on having one thermostat at the back wall of the living room - furthest away from the stove and one in the master bedroom up stairs. I also plan to have thermostatic valves on all the rads.

    My main question is can I have two zones that mix upstairs and downstairs rooms, or is that wildly expensive? Also, can the output from the multi-fuel stove just go to Zone A rads and the output from the oil boiler go to Zone A and Zone B rads?

    All info gratefully received.


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