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How Bi-ernegy mode is working

NickP1
Community Member

I have a heat pump with a gaz furnace. My Nest thermostats learning is set to Dual Fuel.  My lockout temperature is -12c.  So when it under -12c just the gaz will be use.

My Question is: Over -12c, how the thermostats will manage the heat stage? Is it just, over -12c just use the heat pum and under -12c just use the gaz. 

or

Under -12c just use the gaz

Over -12c use both but it will follow a algotyhme following time to heat

 

Thanks!

5 REPLIES 5

EdwardT
Community Specialist
Community Specialist

Hi NickP1,

 

Thanks for reaching out. If your Nest Thermostat's Heat Pump Balance is off, your thermostat will use your AUX heat based on a lockout temperature that you set. If you set it to -12 C, your gas furnace with turn on when the temperature goes below -12 C. 

 

You can also click on this link to learn more about your Nest Thermostat's Heat Pump Balance setting.

 

Thanks,

Edward

NickP1
Community Member

My set up is dual fuel.. So the option of the heat balance is deactivated. Is there a another possibility to activate the heat balance with a heat pump + gaz furnace?

EdwardT
Community Specialist
Community Specialist

Hi NickP1,

 

Thanks for the response. I'm sorry for the confusion. You're correct. The Heat Pump Balance feature is only available for heat pumps with AUX heat. With the type of system that you have, we would need to use a lock out temperature. I understand that having an option to use the Heat Pump Balance feature on dual fuel system would be helpful. Our team is always looking for ways to improve and we'll take this as feedback.

 

Thanks,

Edward

Jhonleanmel
Community Specialist
Community Specialist

Hey there,

Checking back in should you still have some questions here. Let us know by replying to this thread. 

Best, 
Mel

Hi everyone,

Just one quick final check in here since activity has slowed down. We'll be locking the thread in the next 24 hours, but if you still need help, I would be happy to keep it open. If there's more we can do, just let me know.

Thanks,
Mel