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Positive_Debate7048 t1_j07wuix wrote

Reply to comment by badquarter in Did anyone else had their PSE&G electricity bill EXPLODE this month?? by GrossDomesticProDuck

People shit on ptacs but I have one that I run like all the time and I still only pay 60 at most per month. Good insulation is way more important than the method by which you heat or cool.

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Complex_Difficulty t1_j07yscy wrote

Well, I'd argue the method still matters. PTACs heating with a reversed heat pump are going to be energy efficient. When the resistive heater turns on though, not so much.

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pixel_of_moral_decay t1_j08t0qe wrote

Depends also on size. Heat transfer efficiency depends on surface area. In theory they can heat to below 0F outside…. If big enough. But many PTAC’s will stop at 40F due to their small size.

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