A ground loop design for either boreholes, whether standard or double U-tubes or Twisters, or horizontal is $125. I’ll do various iterations to suit your needs.
A connection drawing to a forced air type HP, showing proper pipe and pump sizes suited to your specific job is $120 for each HP.
A hydronic mech room drawing (for radiant or combo) systems is $500 (and up)
Thegeoguy
