Heating & Cooling: how much does geothermal cost? Woodbridge Environmental ... on May 05, 2012 That is a good price for Geo-thermal. You need to remember that your really paying a lot over ...» time. Much more then the cost of the system. With rebates and special tax offers, the cost should go down quite a lot. In NJ there are rebates up to 50% if the energy efficiency of the house meets their standards.
In NJ there are rebates up to 50% if the energy efficiency of the house meets their standards.