You can down load the Loop Logix Geothermal Design Software here for free. Demo version but full functional just can't save or change location. (I installed the on a very old laptop) My deep earth temp is 55 degrees. This is set to 50 but pretty close. but the weather degree days will be off so will the cost.
http://www.heatcontroller.com/produc...l-Residential/
Here are a couple reports I created for my new system.
Very cool.
It will tell you how much water is in the loop.
It tell you how many loops how long.
What config you want to do.
All great info.
lots of good info for no cost.
A local person that did a DIY climate master Geothermal install. Same exact system I am buying invited me over to look at it.
It was nice to see it in operation and hear about the install.
I am not sure how good this is but I used this for my manual J
HVAC Load Calculation - Maunualj - Whole House Loadcalc
My hot water savings will be more than what is shown it does not know how good my natural gas tankless heater is $291.28 was a year worth for my gas bill. my guess is it could save me around $58 natural gas.