The Three Most Important Design Requirements:

Air Removal - Air Removal - Air Removal!!!

Basic Principals: * Heating & Cooling Dominated Load * Weather Lead Climate Zone * Ground Condition Soil Type Moisture Content * Determines Loop Type * Space or Installation Limitations (if they exist) * Cost Factors

Advanced Principals: * Size And Number Of Units * Location Of Equipment * Pump Station * Distribution * Pump Size And Distribution Design * Flush And Purge