Can I use one nest thermostat (3rd generation) for two heating sources
(oil furnace and heat pump)? I am using W1 for oil furnace. Can I add
one heat pump in the same thermostat?
Hi Jake,Thanks for checking in.Due to the winter low temperature, I am
planning to install heat pump in the end of March 2023. Just review
contractor's proposal now.I will update you if it is OK with your
suggestion.Blake
Thanks for your answer and link. It is very helpful.Since my heat pump
dealer told me that "We would have to install separate thermostats with
the heat pump system, your existing Nest thermostats couldn’t operate
two heat sources.".I will ask them to...
Now I have uploaded two pictures for you as below.My Nest is wiring with
AC and oil furnace as you can see. But now I want to replace AC to heat
pump. My installer told me that heat pump is good for temperature above
35F.In this situation, how can I ...