41 Year Old York Heat Pump

[brianl703]

Your heat kit is inoperative it shouldnt be blowing cold air on you in defrost. Also explains why it can't keep temp

Those old units use sequencers which are known to go bad.

Newer units use contactors, with the time delay provided by the control board.

 

[UncleDave]

That’s hilarious. We keep it at 65° in our house. Any warmer, and we get hot!

Whats your standard summer temp John?

 

[john_pifer]

Whats your standard summer temp John?

Definitely not that cool. About 71°F.