Quote:
Originally Posted by randen
...With this you will see your COP may start out at 4.0 but ultimately in a domestic supply condition you may be somewhere 2.5 to 2.0 But even 2.0 is amazing!!
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Yeah, you're right. The COP will start high and gradually fall off as the delta-T decreases. And under normal working conditions, the 'start' cycle to 'stop' command will be working at the low delta-T end of the scale.
But, "You never outgrow your need for insulation", to paraphrase the milk ad.
And don't forget that he is in MS, and the yearly environmental temp is such that standing losses from the tank will be smaller, PLUS the ground temp in MS is about
24 F warmer than yours, so his little compressor will not have a very heavy lift.
I think MEMPHIS91 will have ample bragging rights!
-AC