Quote:
Originally Posted by GeorgeT
I have my AC set to 76 during the day. Yesterday the temperature was up to 78 inside the house. I changed the filter, it was dirty but not real dirty because I changed it about a month ago. It took 3 hours for the temp to drop back down to 76 in the early evening. I had the AC serviced 2 months ago and all was fine.
Filters are expensive. What type of filter do some of you use and how often do you change it?
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My guess is that you might only be able to cool your house to 20 degrees less than the outside. (Of course depending on insulation, window tinting, etc.) and your unit could be working properly even though the temp got to 78 inside.
You should be able to find your manual on line and see what the specs are.