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Boiler Size

Bob Hatzo
Bob Hatzo Member Posts: 3
in THE MAIN WALL
I purchased a condo in Rhode Island. A basement room approx. 200 sq ft is finished but "unheated". I would like to add another zone with radiators. How can I tell if my boiler is big enough to handle the job? I have a loop hot-water system in the rest of the unit.

Comments

  • Al Letellier
    Al Letellier Member Posts: 781
    boiler size.

    We use a "general rule of thumb" on these case, and I'll glady pass it along, but you should always use a good heating contractor to determine this for you. It's too important to your comfort.
    Measure the amount of fin tube radiation in your home and multiply by 600 (average btu's per foot). This will give you the APPROXIAMATE load. The basement area, if finished and well insulated, will need APPROXIAMATELY 5000 additional BTU's to heat, depending on where you live and construction type and floor construction and so on and so on. Then you need to account for the domestic hot water. Is it off a tankless or an indirect or a separate heater?
    As you can easily see, you need to know a lot about heating to make the proper determination if you have enough boiler. Best bet is to get professional help on this one.

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