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Old 01-31-2009, 08:59 PM   #1
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My furnace blows cold air all day


Hi , I'm trying to figure out why my furnace started blowing cold air , it ran fine all winter then all of a sudden the home started getting cold and the air coming out of the registers got cool. I looked outside but the unit wasn't running so I think it is just recirculating air in the home without heating it. Any ideas on what I should check next ?

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Old 01-31-2009, 09:00 PM   #2
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My furnace blows cold air all day


Post the make, model and serial #. Is it a outdoor unit ie: heatpump or package unit?

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Old 01-31-2009, 09:02 PM   #3
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My furnace blows cold air all day


You can start with what kind of system you have, furnace, heat pump ect.
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Old 01-31-2009, 09:02 PM   #4
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My furnace blows cold air all day


No it is a furnace with central air conditioning. I am not there right now to get the numbers the model is a ream.
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Old 01-31-2009, 09:05 PM   #5
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My furnace blows cold air all day


Any ideas ? I will be home shortly to try and get it running. So I would like to have some idea of what to check
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Old 01-31-2009, 09:06 PM   #6
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My furnace blows cold air all day


You have an ac and furnace in one package?

If you arent there it's gonna be hard to help. Unless you know how old it is ect.
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Old 01-31-2009, 09:09 PM   #7
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My furnace blows cold air all day


Quote:
Originally Posted by hvaclover View Post
You have an ac and furnace in one package?

If you arent there it's gonna be hard to help. Unless you know how old it is ect.
I'll be there in a few minutes. I'm just across the street at a neighbors home because my kids and pets were freezing. The furnace is about 15 years old. It was new when I bought the home. I change the filter on regularly.
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Old 01-31-2009, 09:19 PM   #8
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My furnace blows cold air all day


I'm here now and still have the neighbors connection. Any ideas ? Anything I else can tell you ? The unit is a Goodman model number GMP 075 but I can't see the other numbers they are scratched off.
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Old 01-31-2009, 09:22 PM   #9
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My furnace blows cold air all day


Anyone ?
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Old 01-31-2009, 09:23 PM   #10
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My furnace blows cold air all day


First you said it was out side,
the model you posted is for a indoor furnace. Confirm location of furnace.
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Old 01-31-2009, 09:23 PM   #11
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My furnace blows cold air all day


gas fired, oil fired, propane? other? - electric heat ?

ok - Gas, - expert in the house (not me)

Last edited by Scuba_Dave; 01-31-2009 at 09:31 PM. Reason: add
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Old 01-31-2009, 09:25 PM   #12
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My furnace blows cold air all day


we might have a troll....

GMP is gas fired, Dave.
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Old 01-31-2009, 09:26 PM   #13
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My furnace blows cold air all day


Quote:
Originally Posted by hvaclover View Post
First you said it was out side,
the model you posted is for a indoor furnace. Confirm location of furnace.
No I must of confused you. I said I checked the unit outside which is my air conditioner because it felt like the air conditioner was running I thought maybe it was running so I checked it to see if it was running for some reason. The problem seems to be with the furnace not working.
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Old 01-31-2009, 09:26 PM   #14
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My furnace blows cold air all day


Quote:
Originally Posted by Scuba_Dave View Post
gas fired, oil fired, propane? other? - electric heat ?
It is a gas furnace.
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Old 01-31-2009, 09:28 PM   #15
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My furnace blows cold air all day


Quote:
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we might have a troll....

GMP is gas fired, Dave.
Why would you say that ?

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