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Natural Gas v LPG v Oil v Multifuel Stove

  • 14-12-2010 4:02pm
    #1
    Idbatterim
    Registered Users, Registered Users 2 Posts: 18,530 ✭✭✭✭


    Hi. Am currently reseaching what system or combination of systems to install for the parents place, upfront cost is hugely important as is the running cost of the fuel, as the building is over 10,000 sq feet. It is a 3 storey over basement georgian property, small ex hotel. That has been completely gutted. There is currently no piped gas connection possible as it is in roscommon. I have been comparing the cost of fuel per Kwh. Based on my conclusion, natural gas would be best (but currently not an option) Although you can get boilers that accept NG & LPG which could be handy in future proofing the hardware to an extent as according to architect there are / were plan to bring piped gas out to the area, I have emailed bord gais about this and am awaiting a response), followed by oil, then lpg. Also the gas combi condensing boilers seem to be alot cheaper than the oil ones even though they have the same or higher Kwh output. My dad is considering using a multi fuel stove to heat the rads and possibly hot water at basement and ground level using the below multifuel boiler. (As he has a huge amount of wood stored). See the below http://www.murphyheating.com/multi_stovax_stockton14.php the function room in basement alone is 20m x 8m, would something like the Stockton be a total waste of time, when you are talking about a basement that is probably about 320m2?


Comments

  • #2
    Plombier
    Registered Users, Registered Users 2 Posts: 145 ✭✭Plombier


    You boiler(s) will likely be over 100KW for this, so for the moment it will be best to go with oil and bring a gas pipe to the plant room, if you get NG in the future you can just change the burner, the stove has a maximum output of 15KW (but only if the stove is firing full blast, a slumbering fire will give nothing like 15KW) if you can have a single living zone under 15KW then it might be useful.


  • #3
    sky6
    Registered Users, Registered Users 2 Posts: 1,445 ✭✭✭sky6


    There seems to be a lot of information missing from your post like.
    Are you returning the house to a Hotel after renovations or is it staying a home.
    How many rooms on each Floor.
    How many Rads in total.
    What are the Hot Water Requirements.
    To establish the size of Boiler you will need to perform a Heat Calc.
    To do that you will need room and pipe sizes etc.
    I think you will need at least a 150 th btu boiler to heat a 3 story house.
    Maybe use a Solar system and a buffer tank to maintain a constant level of hot water at all times.
    Heat recovery is another option depending on level of insulation.
    It's been my experience that large area are best heated with some form of warm air.

    These are just some of the things you need to consider, but really you need to employ a good heating engineer. I would again suggest someone who is recently qualified as the various options available today are constantly changing.

    Also for what it's worth Gas prices are like to remain low due to there being a world glut of Gas. Unlike oil which seems likely to keep rising.
    Solar is a no brainer after initial cost and a few years payback it's a constant source of energy and is maintenance free.


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