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Room graph shows temp rising and falling without a call for heat

Freezing temperatures outside.

Room graph shows temperature rising without a call for heat. I haven’t checked if other rooms were calling for heat at this time, but if valve lets heat into rad, I’d expect to see a heat stripe in the graph and a wavy line to indicate demand.

One recent day shows 12 rises (and subsequent falls) in temp of 1 or 2 degrees

Any ideas?

Answers

  • ambient temperature in rooms fluctuates between a couple of degrees naturally the thermostat will record the temp fluctuations even if it's not firing up the boiler


    my Tad graph shows all sorts of fluctuations depending on what electrics are on in the room its on all of these will increase ambient temp particularly if all windows and doors are shut also if the humidity goes down the temp will rise as dry air is warmer than damp air.