Versions of Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations on LawServer 2023 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations 2022 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations 2021 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations 2020 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations 2019 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations 2018 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations 2017 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations 2016 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; 2015 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; 2014 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; 2013 Indiana Code 6-1.1-12-34. Deduction for geothermal energy heating or cooling device; limitations