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    OpenTherm with Multiple nests on underfloor heating

    I just think that if you are going to put something on your wall and integrate it as part of the building then appearance is a factor. Regardless of this fact, the Nest still has more advanced tech than the others. Geofencing for example is not as good as local presence detection, especially...
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    OpenTherm with Multiple nests on underfloor heating

    Evohome is too expensive. Nest has more technology for less. £939 v £600 for a 3 zone set-up. I'll live with no opentherm and have a much better UI and slicker app.
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    OpenTherm with Multiple nests on underfloor heating

    Ok then, is there a specific UFH controller that can modulate right down to 40-50 degs flow when the only call for heat but still have intelligence to override the flow temp when there is a call for heat for DHW when required?
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    OpenTherm with Multiple nests on underfloor heating

    I'll try to keep independent control of the 3 downstairs zones but I find with UFH that it needs to be 'on' for large parts of the day due to the thermal mass in the screed and tiles etc. I wanted OT so that I could reduce the flow temp (and thus the return) so that it would take advantage of...
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    OpenTherm with Multiple nests on underfloor heating

    Thanks guys. I've looked into all of those and they just don't look as good on your wall!! I might have to live with 2 separate independent zones with different manufacturers controllers and maybe link them together with IFTTT or something
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    OpenTherm with Multiple nests on underfloor heating

    Ok, another suggestion then - is there a UFH system that can use one nest as an overall master controller but still have individual zone temp control?
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    OpenTherm with Multiple nests on underfloor heating

    I'm in the process of upgrading the controls of my heating system. (Unvented S plan with 2 heating zones) So far I have swapped the old fashioned room stat for a nest/heat link to control the zone valve for the upstairs zone which is a trad radiator system. That all works BRILLIANTLY! So the...
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