Did the friend mention whether both the inside and outside unit were running and whether they felt cool air from the vents?
At that differential I would expect the unit to be trying to cool the house.
I have had the blower fan stop working - the outside unit was running but no air was moving through the coils.
I have had the drain line clog and the float switch turn off the outside unit - the inside unit was running and moving air but the outside was not.
A common issue is the starter capacitor at the outside unit - the inside unit would be running and moving air but the outside unit would not. In this case, you might hear a hum at the outside unit.
There have been a lot of lightning storms this year. It is at least possible that the breaker for the outside unit might have tripped. Easy enough to look in the breaker box.
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Why do people insist on making claims without looking them up first, do they really think no one will check? Proof by emphatic assertion rarely works.
Confirmation bias is real; I can find any number of articles that say so.
Victor, NY - Randallstown, MD - Yakima, WA - Stevensville, MD - Village of Hillsborough
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