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  1. hvacj

    pipesize excel from Briand2

    thread403-242101 Hi Brian, I just came across your wonderful pipe sizing spreadsheet. however under the flow units i can not make the selection. The pull down manual shows the unit but not allow me to select one. it says the worksheet is protected. however i have no problem with the other...
  2. hvacj

    underfloor heating under an existing slab

    actually, the situation is, there is a 2 storey block, we need to install a floor heating system for the 2nd floor. the thing is, some fancy carpet is already installed on the 2nd floor, plus, the client doesn't want to raise the floor height, so there is left with no choice but look at the...
  3. hvacj

    underfloor heating under an existing slab

    first of all, thx all of u guys reply. let me make it clear, I heard tat there is a technology out there, it is like attaching the hydronic tubes underneath an existing concrete slab, and sandwiched by an insulator at the bottom. (concrete - tubes - insulation). the hydronic tubes are...
  4. hvacj

    underfloor heating under an existing slab

    hi, I'm searching if there is any possibility installing a underfloor heating system on an existing concret slab with minimum re-structuring requirement. based on the information i got from google, seems tat the underfloor heating system is usually implemented into the structure during...

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