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pAul2437 t1_j5cvf14 wrote

That’s a house or heater problem

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kimbecile t1_j5fclf0 wrote

Both. Old as hell house and I won't discuss the furnace situation here.

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av-gas t1_j5di2f1 wrote

Lots of old houses without much insulation around Pittsburgh. And now new heating units tend to be more 'efficient' but they just run more often because they can't heat up the house.

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beren0073 t1_j5fcvbs wrote

This is only the case if the new furnace was undersized for the load. More efficient is more efficient, but if you put in an efficient furnace that's only rated for 1/2 to 2/3 of the load it has to supported, you're going to be cold.

Properly sized high efficiency furnaces with variable or two-stage blowers will run longer at a lower burn rate, and shift to 100% when needed.

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69FunnyNumberGuy420 t1_j5g1uld wrote

I've got an 1800 square foot 110 year old house and I pay $128 a month. Are people keeping their houses at 75 F all winter? Just put a sweater on and run it at 67 F.

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