Hi all - having trouble researching this issue. I have a Viessmann
combi-boiler that sends hot water to my home’s radiators, and 4 x
Hitachi splits with wifi adapters installed in each of them, to provide
cooling (and supplementary heat if needed). C...
Last night I tried to turn on my thermostat by using the Nest app on my
phone but it hanged there for ages. I tried to turn the heating on with
the thermostat but it is locked and asks for a PIN that I don't
Hi all.I have a system with 4 wires (R; W; Y and G).I have no C wire but
I don't want to lose the fan control, so I want to connect a 24V
transformer to the Nest Thermostat (that have only 6 connectors
R,W,Y,G,C and OB).One of the transformer's wires...
Hi I currently have an oil fired boiler. I am thinking about putting in
a Nest Learning Thermostat. I think I will probably install an air
source heat pump at some point in the future. Will my Nest be able to
work with the heat pump in the future? Wh...