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I'm trying to determine if my HVAC system is dual fuel. My…

Hi, I'm trying to...

Hi, I'm trying to determine if my HVAC system is dual fuel. My home is all electric and I have a heat pump with a furnace.

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

What am I looking for on the thermostat and filter?

Contractor's Assistant: Do you plan on doing the work yourself?

I have installed a Nest thermostat to replace a Trane Baystat 239

Contractor's Assistant: Anything else we should know to help you best?

Electric Furnace and heat pump

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Answered in 3 minutes by:
3/20/2018
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,213
Experience: Furnace, A/C and heat pump specialist.
Verified

Give me the model on the furnace and heat pump so I can verify 100 per cent. But if you know the outdoor is a heat pump and the furnace is a gas furnace, then YES the system is considered dual fuel.(One fuel being gas and the other being electricity)

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Customer reply replied 4 months ago
I have no gas in this home. There is a furnace but it is electric. Model of furnace is Trane BWV818B100X0.

OK, THat is considered an "air handler" since it is electric.

Your system will NOT be dual fuel.If you have further questions, please let me know.
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Customer reply replied 4 months ago
Ok I do have another question. I have a Nest thermostat setup. can you verify that I have it wires correctly if this is not dual fuel.

Sure .Tell me what wires you had on old and where you put them on the Nest

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Customer reply replied 4 months ago
Old thermostat is Trane Baystat 239. New thermostat is Nest 3rd Generation
O on old thermostat is in O/B
X2 on old thermostat is in W2 Aux
G on old thermostat us in G
Y on old thermostat is in Y1
T on old thermostat is capped off
R on old thermostat is in TH
W on old thermostat is in W1
B on old thermostat is in C
Customer reply replied 4 months ago
do i classify the * as emergency heat

THat is correct. X2 on old was emergency heat

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Customer reply replied 4 months ago
Ok, great! Thanks so much! One last question. Should the heat pump be set to activate seasonally or each cycle?

Each cycle.

airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,213
Experience: Furnace, A/C and heat pump specialist.
Verified
airheatman and 87 other HVAC Specialists are ready to help you
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Customer reply replied 4 months ago
Got it! Awesome! Thanks again!
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