08:45AM | 02/07/04
Member Since: 01/31/04
2 lifetime posts
Thanks "Plumber Tom" for your reply to my question on However, your answer raised another question for me.

Your answer was:
"Heat pumps are not designed to heat in sub-freezing temps. You may have supplemental resistance heating elements inside your air handler. Yes turn them on, but you won't achieve a comfortable temperature."

My new question is about your statement that I "won't achieve a comfortable temperature." I am confused because I have a comfortable temperature now, but the fan outside the house runs almost constatntly in the cold weather. All I really want to do is stop the fan from running outside the house during the cold weather. By turning on the "emergency heat" button on the thermostat, doesn't that just shut of the heat pump fan outside the house and kick on the supplemental heating elements? I don't understand why you say that I won't achieve a comfortable temerature, because I already have one now even though the heat pump isn't doing me any good in the cold weather. There is clearly something I don't understand. I appreciate your expert advice. Your help is appreciated.

plumber Tom

11:48AM | 02/07/04
Member Since: 05/10/03
801 lifetime posts
My experience lacks in the heat pump field. However a heat pump is basically an air conditioner with a reversing valve that reverses the flow of refrigerant. I'm not sure you will get that fan to stop running. Do you have the original user installation manual that you can refer to the "troubleshooting section"? If this reply still doesn't help, ask for Harold and he will be happy to help you out. Harold has more experience then me.
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