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    deborah199's Avatar
    deborah199 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 7, 2010, 10:49 AM
    Last night the house heat was set at 70 now it is 60 inside with cold air blowing out
    We are in Florida and the weather has become very cold, in the 30's at night. Last night the house heater was set at 70 degrees, blowing hot air and we were comfortable. This morning we awoke with an interior temperature of 60 degrees, the heater was blowing cold air. What has happened I can not afford a tech, how can I diagnosis myself?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jan 7, 2010, 10:53 AM
    It could be many different things. It is really hard to tell since I have no brand or EXACT model number of the inside and outside units.
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