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    santa6's Avatar
    santa6 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 12, 2014, 05:42 AM
    Lennox E10 Heat/AC not Cooling in Iowa
    My daughter just moved into her first apartment. It has a Lennox E10 unit for heating & AC. The thermostat is a Lux DMH110b non-programmable. It is June in Iowa. Last evening she got back and the temp in the apartment was 74. She turned system on and set to cool to 70. It ran for 7 hours and the temp went UP to 75!

    The landlord has had their HVAC contractor look at it 3 times- he says it's fully charged and everything looks good and he can't fix what ain't broke!

    Well, I respectfully argue something is wrong. I'm visiting this weekend. What do I look for?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Jun 12, 2014, 01:15 PM
    Thermostat may not be the issue or the unit either. How much solar load? Top floor? Ceiling insulation? Trees? What is temp of outlet register air? 74-76 is possibly where it will run when ambient temp is 90+.
    Churchel's Avatar
    Churchel Posts: 6, Reputation: 1
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    #3

    Jun 18, 2014, 08:59 PM
    If it is not cooling it is broken. How much air is coming out of vents? Could have a dirty indoor coil or the filter could be dirty. What does the outdoor coil look like? Is it clean?
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