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Too hot in Bedroom!

Sweatin
Sweatin Member Posts: 2
Can this design mistake be overcome? One slab zone with boiler on Northside in garage. Pex hydronic heat supply has to go right through master bedroom first to get to Kitchen/DR/LR. K/D/L has lots of South facing windows. Want bedroom 68 or less. To do that means boiler mostly off. But K/D/L 'feels" cold due to no slab circulation.
We do have recently added mini splits(heat/cool) one in bedroom, one in K/D/L. Added for a.c. but can heat, too.
Could low temp continuous circulation with slab sensor added with min and/or max temperature limit help? I've shut off the pex loop that covered bedroom area but still have supply/return feed from boiler to K/D/L that goes through center of bedroom.
We've tried heating slab in early morning for K/D/L comfort, shutting off by 10 am then using bedroom mini split to cool for sleep. 
Thanks for any ideas.

Comments

  • GroundUp
    GroundUp Member Posts: 1,890
    Aside from insulating the floor over those loops or opening a window, what you have is quite literally "set in stone" now as far as the radiant system is concerned. No matter what you do with the radiant, the bedroom is probably never going to be cooler than the rest of the house without some intervention from another heating or cooling source.
    Sweatin
  • mattmia2
    mattmia2 Member Posts: 9,576
    If there is just a single supply and return through the bedroom to the other zone, something else is going on, that one piece of tubing isn't going to overheat the room.
  • Dave Carpentier
    Dave Carpentier Member Posts: 586
    How about adding some R value to the floor in the bedroom, like a throw rug with a bit of thickness in that pipe pass-thru area ?
    It wouldnt have to stretch from wall to wall over the pipe, just a good chunk of it. Less 'stray' heat will rise into the room in that area.
    30+ yrs in telecom outside plant.
    Currently in building maintenance.
    SweatinMikeAmann
  • Sweatin
    Sweatin Member Posts: 2
    There are five total loops including the one going around the bedroom.