As a newcomer to GBA I ask for pardon if this question is worn out. I’m in a very preliminary design phase for an 18K square foot residential home in central North Carolina. The design is to incorporate precast insulated concrete panels, and SIPs with radiant floor heat on 2 levels. Does adding radiant heat along with air conditioning and hot water make a better case for geothermal? I’ve gotten conflicting information and recommendations from several HVAC folks. All experienced and educated feedback is welcome.
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