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Infloor thermostat settings

Ken_40 Member Posts: 1,320
we found the in-concrete radiant very quick to respond and so, day/night - programmables are great!

However, in the staple up portion, the lag time and nature of the area involved (LR & DR area - where we spend up to ~16 hrs. a day) makes little sense. The tiled areas (K, 2 baths and entryway) are very fast responding - so a D/N is a great controller there.

The shortest answer?

Depends on the response time up - and down. If you can drop a room temp by 5 degrees in under 2 hours, D/N 'stats are great! If 3 hrs. or more to do a 5 degree spread, you might want to stick with a T87-type.

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  • James Lamoureux
    James Lamoureux Member Posts: 1
    Infloor thermostat settings

    is it best to leave a programmable thermostat set at a constant temp or vary
    it night/day?

    Whole house infloor, including basement
    Sleeper sand in upper floors
    4400 sq ft.
    ICF walls, icenene roof
  • Rich L.
    Rich L. Member Posts: 414
    OD Reset system?

    Does your system have out door reset? If it does it automatically varies the temp of the water in the floors and is actually more efficient and comfortable than setting back the stat. IMHO
  • jp_2
    jp_2 Member Posts: 1,935

    you could try it? but if your tubing is in loose sand the delay in heating/cooling might be a bear to deal with and make you unhappy.
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