Low Income Residential
Geothermal Heat Pumps
Montana Department of Environmental Quality
Personal Tax Credit
A resident individual taxpayer of Montana who installs a geothermal heating or cooling system in their principal dwelling is eligible for a tax credit based on the installation costs of the system. The credit may not exceed $1,500, and only one credit may be claimed per household. If not used fully in the first year the system is installed, the credit may be carried forward for the 7 succeeding tax years.
Use Montana Department of Revenue Form ENRG-A to claim this tax credit.