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How to use Boiler/Heating Efficiently

  • 31-01-2014 3:24pm
    #1
    kennyb3
    Registered Users, Registered Users 2 Posts: 6,724 ✭✭✭


    We got a new gas boiler, a 15kw ideal logic fitted to our house last summer. We upgraded the heating controls getting heat control valves on all radiators and a temperature control dial in the hall.

    We've twin 4 month old babies in the house so the gas tends to be on a lot. Our last bill was obviously a lot higher than normal as a result and I've used bonkers.ie to switch to the best available deal. I've also sorted a few small draughts too.

    Anyway I was just thinking that I don't really know what's the most efficient way to use the boiler.

    At present the thermostat dial in the hall is set usually about 20 (or just under), the boiler I just leave at that 'E' dial on the logic (as I'm guessing that is the most efficient setting?) and all the rads are on full blast (5). We might turn down the living room one now and again as it's the cosiest room in the house.

    I find we are turning it on for an hour, off for an hour, on for an hour alot. Is this mad, or should we just leave it on for a couple of hours? Is it like a car in that in burns alot of fuel when it's started up again?

    Also is there a calculation or does anyone know roughly how much gad I'd burn if I turned the dial up to say 25? As on the colder nights i'd prob leave it on for 6-9.

    But would 6-8 at 25 be better.

    I've been afraid to go above 20 really but I'd like to make the house really warm on windier nights, even if this costs a bit more, once it's not way way more.

    Anyway just generally interested on any comments on how to actually efficiently use the system.


Comments

  • #2
    antoinolachtnai
    Registered Users, Registered Users 2 Posts: 9,815 ✭✭✭antoinolachtnai


    You need to understand your controls.

    The control on the boiler controls the water temperature. The control in the hall (which I assume is the one you refer to as being at 20) turns the boiler on and off depending on how warm the hall is.

    I would suggest you monitor the gas usage on your gas meter for a few hours to get an approximate idea of how much gas it uses when you run the boiler for an hour, say. This will vary, of course, depending on how cold it is outside, and other things.


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