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Packaged Rooftop versus Hydronic Costs

RayWohlfarthRayWohlfarth Member Posts: 195
In my market place (Pittsburgh,PA), it seems that packaged rooftop units are the only thing being installed. A new building with hydronics would probably cause the Mason Dixon line to split. I would like to see if anyone has seen a study that shows the operating cost comparison of a packaged rooftop unit and a hydronic system. Thanks in advance.

Ray Wohlfarth
Ray Wohlfarth
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Comments

  • SteamheadSteamhead Member Posts: 11,321
    Something to think about

    a rooftop unit is located outside the building envelope, so it loses a lot more of the heat it generates than a hydronic system does. 
    All Steamed Up, Inc.
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  • RayWohlfarthRayWohlfarth Member Posts: 195
    thanks

    Thanks I will try to factor that in as well
    Ray Wohlfarth
    Boiler Lessons
    Click here to take Ray's class.
    Click here to buy Ray's books.
  • jumperjumper Member Posts: 977
    unitary rooftop oversold

    Unitary rooftops are the most oversold system. Everything to be serviced is in one package out there. And a packaged unit is cheaper to install than built up.



    Of course a roof lasts longer if nobody is on it dropping their tools.
  • nicholas bonham-carternicholas bonham-carter Member Posts: 6,535
    roof damage

    the worst thing about rooftop units are the cabinet screws which never get put back in, and lie on the roof waiting for a step to push them ithrough the roof membrane!--nbc
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