Quote:
Originally Posted by Daox
Sounds like a fun new project AC Hacker. However, does this mean a nail in the coffin for the GSHP project?
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No, not at all, the GSHP supplies good heat... not as much as I had hoped (bigger, deeper loop field needed). But luckily, as it is, it is able to supply heat when the really foul weather is upon me and the temperature severely drops.
So, what I'm going for is a hybrid of GSHP and ASHP and use each when appropriate.
Here's a link to a study of a much larger installation... but the principle is the same. Check out the installation costs...
When I was doing my winter testing, I realized that we can have unseasonal, balmy winter days and sometimes a whole week when the air temperature significantly exceeds the ground temperature. An ASHP would work best in those conditions. I can leave the heat in the ground for when I really need it.
So that's the grand plan... and I'll probably be using your differential Arduino project to switch between the two.
Best,
-AC