cancel
Showing results for 
Search instead for 
Did you mean: 
Replies are disabled for this topic. Start a new one or visit our Help Center.

Nest v3 - dual fuel question - outside temp

chrisrhoward
Community Member

I just hooked up my Nest v3 to my heat pump and gas furnace. I set up the heat pump to warm the house if temp > 40, otherwise the gas furnace. My question is if the internet is down how does the nest know what the outside temperature is, and if it cannot determine it will it try warming with the heat pump (primary) or the gas furnace (secondary). I am concerned about a winter storm where it is below 0 and the internet goes down, I am out of town, and the heat pump will not be able to warm the house - pipes freeze, etc...

Thanks,

Chris

 

7 REPLIES 7

EdwardT
Community Specialist
Community Specialist

Hi chrisrhoward,

 

Thanks for reaching out. For this scenario, I would suggest making sure that you set a Safety Temperature on your Nest Thermostat. Safety Temperatures can protect your home during extremely cold or hot weather. They can help ensure that your pipes won’t freeze or your home won’t overheat even if your thermostat is set to Off. Safety Temperatures are great to help prevent your home from going above or below certain temperatures by turning on heating or cooling when the set limits are reached.

 

Thanks,

Edward

Thanks much, and I do now have a Safety Temperature, but I still have the question about what happens if the internet goes down? What does the Neet do if it cannot determine an outside temperature? Any thoughts?

EdwardT
Community Specialist
Community Specialist

Hi chrisrhoward,

Thanks for the response. When you're Nest Thermostat is not connected to the WiFi, it will work as a traditional thermostat. It would use the ambient temperature and other factors like how long would your system reach your target temperature. You could also click on this link to learn more about the Heat Pump Balance.

Thanks,

Edward

EdwardT
Community Specialist
Community Specialist

Hi chrisrhoward,

It's me again. I wanted to check back in to see if you have other questions and concerns. Feel free to let me know if you do.

Thanks,

Edward

EdwardT
Community Specialist
Community Specialist

Hi chrisrhoward,

I'm just checking in to make sure that you've seen our response. Please let us know if you have any other questions or concerns as I will be locking this in 24 hours.

Thanks,

Edward

All is well - thanks!

EdwardT
Community Specialist
Community Specialist

Hi chrisrhoward,

Thanks for the update. I'm glad to hear that all is well. I will be locking this thread now. Please feel free to create a new thread should you have some more questions or concerns in the near future and we'll be more than glad to help.

Thanks,

Edward