> That's equivalent to opening a window without the AC doing anything. Even when the air temperature at your fresh air intake is cooler than the air at your co

> That's equivalent to opening a window without the AC doing anything. Even when the air temperature at your fresh air intake is cooler than the air at your condensor coil? Wouldn't we assume no system would draw its fresh air from near the condensor coil? You still have a heat pump in the system, and there's a temperature difference between the air inlet and the pump outlet.