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sizing replacement hot water boilers

WPH2205
WPH2205 Member Posts: 52
How do you size replacement hot water boilers? Do you just add up the total linear ft. of baseboard, multiply that by the btu/ft. and come up with a rating? Or do you do a complete heat loss, and why?

Comments

  • WPH2205
    WPH2205 Member Posts: 52


    How do you size replacement hot water boilers? Do you just add up the total linear ft. of baseboard, multiply that by the btu/ft. and come up with a rating? Or do you do a comlete heat loss, and why?
  • Al Letellier
    Al Letellier Member Posts: 781
    boiler size

    If you know the house heats fine in winter and the owners have no complaints, and you have the experience to know what it takes to heat a house, then matching the heatload to the baseboard footage will always heat the baseboard, but is it really enough. Except for the standard "box" houses that we do lots and lots of, we do a heat loss to verify the baseboard and heating needs of the house. It's the right thing to do!!

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  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 15,317


    Do a heat loss. You probably have to much baseboard which is ok becauce you can run a lower water temp. But if you don't have enough baseboard you will still be resopnsible for a job that won't heat even if the boiler is the correct size.

    ED
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