Quote:
Originally Posted by John V.
...I would get about an 18 F differential which HVAC techs told me was what I should expect...
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Yep. Just like our car AC units (or for that matter our car radiators), what matters is the temperature difference between the temperature going in before the coils and the temp coming out.
Right now it's 102 outside here and the house thermostat has been set at 77° since early this morning. I just shot the temp gun at the nearest vent to the AC system and it was 60.5°. So things are working pretty good with about a 16° cooling difference. Unit also cycles off fairly often which gives the AC coils enough time to de-ice and not turn into a block of ice.