How Much Does a Geothermal System Cost? That's a difficult question to answer, because so many variables are involved. But if you'll take a few moments to answer the questions below, we'll get back to you as quickly as possible with an approximate cost. What type of system will this be? Closed Loop System Open Loop System    What's the difference? Do you have enough space for a horizontal loop (at least 3/4 acre, free of large rocks, septic systems, etc., reasonably level, with few or no trees)? Yes   No What kind of heating system do you have? Hot Water (baseboard or radiator) Forced Air (ductwork) Radiant Floor What are you heating with? Gas Oil Heat Pump Other Do you have central air conditioning? Yes   No If you have central air conditioning or A/A heat pump, what tonnage is it (BTU's)? How old is your home, and how is it constructed (2x4's, 2x6's, stone, etc.)? What is the square footage of your home? Is your home single-story or multi-story? Single-Story   Multi-Story Do you have multiple heating or cooling systems? If so, how many? Additional Comments or Information: Your Name:  Your Email:  Financing Available Through